X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=Ada95%2Fconfigure;h=4cc59891cd83dcdd2c8ce3cd3b2bf408ea66f9c3;hp=bf20633b07ac023d80d158aadede9377f1c2e289;hb=643ec2bf782cd02efafe3ccdeaea8920a404645e;hpb=9eb6f4991977566a493a5b1c36de2299f2754449

diff --git a/Ada95/configure b/Ada95/configure
index bf20633b..4cc59891 100755
--- a/Ada95/configure
+++ b/Ada95/configure
@@ -1,8 +1,9 @@
 #! /bin/sh
-# From configure.in Revision: 1.61 .
+# From configure.in Revision: 1.83 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by Autoconf 2.52.20150926.
+# Generated by Autoconf 2.52.20210509.
 #
+# Copyright 2003-2020,2021	Thomas E. Dickey
 # Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
 # Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
@@ -60,9 +61,9 @@ as_executable_p="test -f"
 
 # Support unset when possible.
 if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
-  as_unset=unset
+  as_unset="unset"
 else
-  as_unset=false
+  as_unset="false"
 fi
 
 # NLS nuisances.
@@ -97,13 +98,14 @@ exec 6>&1
 ac_default_prefix=/usr/local
 cross_compiling=no
 subdirs=
-MFLAGS= MAKEFLAGS=
+MFLAGS=
+MAKEFLAGS=
 SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Maximum number of lines to put in a shell here document.
 # This variable seems obsolete.  It should probably be removed, and
 # only ac_max_sed_lines should be used.
-: ${ac_max_here_lines=38}
+: "${ac_max_here_lines=38}"
 
 ac_unique_file="gen/gen.c"
 # Factoring default headers for most tests.
@@ -176,6 +178,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 libdir='${exec_prefix}/lib'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
@@ -203,7 +206,7 @@ do
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
 
-  case $ac_option in
+  case "$ac_option" in
 
   -bindir | --bindir | --bindi | --bind | --bin | --bi)
     ac_prev=bindir ;;
@@ -244,7 +247,7 @@ do
     expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+    ac_feature=`echo "$ac_feature" | sed 's/-/_/g'`
     eval "enable_$ac_feature=no" ;;
 
   -enable-* | --enable-*)
@@ -253,8 +256,8 @@ do
     expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_feature=`echo $ac_feature | sed 's/-/_/g'`
-    case $ac_option in
+    ac_feature=`echo "$ac_feature" | sed 's/-/_/g'`
+    case "$ac_option" in
       *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
       *) ac_optarg=yes ;;
     esac
@@ -318,6 +321,15 @@ do
   | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
     localstatedir=$ac_optarg ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst \
+  | --runs | --run | --ru)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* \
+  | --runs=* | --run=* | --ru=*)
+    runstatedir=$ac_optarg ;;
+
   -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
     ac_prev=mandir ;;
   -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
@@ -435,8 +447,8 @@ do
     expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package| sed 's/-/_/g'`
-    case $ac_option in
+    ac_package=`echo "$ac_package" | sed 's/-/_/g'`
+    case "$ac_option" in
       *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
       *) ac_optarg=yes ;;
     esac
@@ -448,7 +460,7 @@ do
     expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
       { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_package=`echo $ac_package | sed 's/-/_/g'`
+    ac_package=`echo "$ac_package" | sed 's/-/_/g'`
     eval "with_$ac_package=no" ;;
 
   --x)
@@ -482,21 +494,21 @@ Try \`$0 --help' for more information." >&2
    { (exit 1); exit 1; }; }
     ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
     eval "$ac_envvar='$ac_optarg'"
-    export $ac_envvar ;;
+    export "$ac_envvar" ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
     echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option}" "${host_alias=$ac_option}" "${target_alias=$ac_option}"
     ;;
 
   esac
 done
 
 if test -n "$ac_prev"; then
-  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  ac_option=--`echo "$ac_prev" | sed 's/_/-/g'`
   { echo "$as_me: error: missing argument to $ac_option" >&2
    { (exit 1); exit 1; }; }
 fi
@@ -504,8 +516,8 @@ fi
 # Be sure to have absolute paths.
 for ac_var in exec_prefix prefix
 do
-  eval ac_val=$`echo $ac_var`
-  case $ac_val in
+  eval ac_val=$`echo "$ac_var"`
+  case "$ac_val" in
     [\\/$]* | ?:[\\/]* | NONE | '' ) ;;
     *)  { echo "$as_me: error: expected an absolute path for --$ac_var: $ac_val" >&2
    { (exit 1); exit 1; }; };;
@@ -516,8 +528,8 @@ done
 for ac_var in bindir sbindir libexecdir datarootdir datadir sysconfdir sharedstatedir \
               localstatedir libdir includedir oldincludedir infodir mandir
 do
-  eval ac_val=$`echo $ac_var`
-  case $ac_val in
+  eval ac_val=$`echo "$ac_var"`
+  case "$ac_val" in
     [\\/$]* | ?:[\\/]* ) ;;
     *)  { echo "$as_me: error: expected an absolute path for --$ac_var: $ac_val" >&2
    { (exit 1); exit 1; }; };;
@@ -554,13 +566,13 @@ if test -z "$srcdir"; then
   ac_confdir=`echo "$ac_prog" | sed 's%[\\/][^\\/][^\\/]*$%%'`
   test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
   srcdir=$ac_confdir
-  if test ! -r $srcdir/$ac_unique_file; then
+  if test ! -r "$srcdir/$ac_unique_file"; then
     srcdir=..
   fi
 else
   ac_srcdir_defaulted=no
 fi
-if test ! -r $srcdir/$ac_unique_file; then
+if test ! -r "$srcdir/$ac_unique_file"; then
   if test "$ac_srcdir_defaulted" = yes; then
     { echo "$as_me: error: cannot find sources in $ac_confdir or .." >&2
    { (exit 1); exit 1; }; }
@@ -655,6 +667,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       extra definition of runtime data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -688,7 +701,9 @@ Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
 
+General Options:
   --with-system-type=XXX  test: override derived host system-type
+  --disable-stripping     do not strip (debug info) installed executables
   --with-pkg-config{=path} enable/disable use of pkg-config
   --with-pkg-config-libdir=XXX use given directory for installing pc-files
   --without-tests         suppress build with test-programs
@@ -724,7 +739,8 @@ Experimental Code:
   --with-wrap-prefix=XXX  override prefix used for public variables
 Testing/development Options:
   --disable-echo          do not display "compiling" commands
-  --enable-warnings       build: turn on GCC compiler warnings
+  --enable-warnings       test: turn on gcc compiler warnings
+  --enable-stdnoreturn    enable C11 _Noreturn feature for diagnostics
   --enable-assertions     test: turn on generation of assertion code
   --enable-expanded       test: generate functions for certain macros
   --disable-macros        test: use functions rather than macros
@@ -735,6 +751,7 @@ Ada95 Binding Options:
   --with-ada-include=DIR  Ada includes are in DIR (default: PREFIX/share/ada/adainclude)
   --with-ada-objects=DIR  Ada objects are in DIR (default: PREFIX/lib/ada/adalib)
   --with-ada-sharedlib=soname build shared-library (requires GNAT projects)
+  --with-ada-libname=XXX  override default Ada library-name
 
 Some influential environment variables:
   CC          C compiler command
@@ -755,42 +772,43 @@ if test "$ac_init_help" = "recursive"; then
   # If there are subdirs, report their specific --help.
   ac_popdir=`pwd`
   for ac_subdir in : $ac_subdirs_all; do test "x$ac_subdir" = x: && continue
-    cd $ac_subdir
+    cd "$ac_subdir"
     # A "../" for each directory in /$ac_subdir.
-    ac_dots=`echo $ac_subdir |
+    ac_dots=`echo "$ac_subdir" |
              sed 's,^\./,,;s,[^/]$,&/,;s,[^/]*/,../,g'`
 
-    case $srcdir in
+    case "$srcdir" in
     .) # No --srcdir option.  We are building in place.
-      ac_sub_srcdir=$srcdir ;;
+      ac_sub_srcdir="$srcdir" ;;
     [\\/]* | ?:[\\/]* ) # Absolute path.
-      ac_sub_srcdir=$srcdir/$ac_subdir ;;
+      ac_sub_srcdir="$srcdir/$ac_subdir" ;;
     *) # Relative path.
-      ac_sub_srcdir=$ac_dots$srcdir/$ac_subdir ;;
+      ac_sub_srcdir="$ac_dots$srcdir/$ac_subdir" ;;
     esac
 
     # Check for guested configure; otherwise get Cygnus style configure.
-    if test -f $ac_sub_srcdir/configure.gnu; then
+    if test -f "$ac_sub_srcdir/configure.gnu"; then
       echo
-      $SHELL $ac_sub_srcdir/configure.gnu  --help=recursive
-    elif test -f $ac_sub_srcdir/configure; then
+      $SHELL "$ac_sub_srcdir/configure.gnu" --help=recursive
+    elif test -f "$ac_sub_srcdir/configure"; then
       echo
-      $SHELL $ac_sub_srcdir/configure  --help=recursive
-    elif test -f $ac_sub_srcdir/configure.ac ||
-           test -f $ac_sub_srcdir/configure.in; then
+      $SHELL "$ac_sub_srcdir/configure" --help=recursive
+    elif test -f "$ac_sub_srcdir/configure.ac" ||
+           test -f "$ac_sub_srcdir/configure.in"; then
       echo
-      $ac_configure --help
+      "$ac_configure" --help
     else
       echo "$as_me: WARNING: no configuration information is in $ac_subdir" >&2
     fi
-    cd $ac_popdir
+    cd "$ac_popdir"
   done
 fi
 
 test -n "$ac_init_help" && exit 0
-if $ac_init_version; then
+if "$ac_init_version"; then
   cat <<\EOF
 
+Copyright 2003-2020,2021	Thomas E. Dickey
 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
@@ -804,7 +822,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.52.20150926.  Invocation command line was
+generated by GNU Autoconf 2.52.20210509.  Invocation command line was
 
   $ $0 $@
 
@@ -851,7 +869,7 @@ ac_configure_args=
 ac_sep=
 for ac_arg
 do
-  case $ac_arg in
+  case "$ac_arg" in
   -no-create | --no-create | --no-creat | --no-crea | --no-cre \
   | --no-cr | --no-c) ;;
   -no-recursion | --no-recursion | --no-recursio | --no-recursi \
@@ -908,7 +926,7 @@ trap 'exit_status=$?
     exit $exit_status
      ' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' "$ac_signal"
 done
 ac_signal=0
 
@@ -928,7 +946,7 @@ if test -z "$CONFIG_SITE"; then
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
-    { echo "$as_me:931: loading site script $ac_site_file" >&5
+    { echo "$as_me:949: loading site script $ac_site_file" >&5
 echo "$as_me: loading site script $ac_site_file" >&6;}
     cat "$ac_site_file" >&5
     . "$ac_site_file"
@@ -939,7 +957,7 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special
   # files actually), so we avoid doing that.
   if test -f "$cache_file"; then
-    { echo "$as_me:942: loading cache $cache_file" >&5
+    { echo "$as_me:960: loading cache $cache_file" >&5
 echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . $cache_file;;
@@ -947,7 +965,7 @@ echo "$as_me: loading cache $cache_file" >&6;}
     esac
   fi
 else
-  { echo "$as_me:950: creating cache $cache_file" >&5
+  { echo "$as_me:968: creating cache $cache_file" >&5
 echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
@@ -961,23 +979,23 @@ for ac_var in `(set) 2>&1 |
   eval ac_new_set=\$ac_env_${ac_var}_set
   eval ac_old_val="\$ac_cv_env_${ac_var}_value"
   eval ac_new_val="\$ac_env_${ac_var}_value"
-  case $ac_old_set,$ac_new_set in
+  case "$ac_old_set,$ac_new_set" in
     set,)
-      { echo "$as_me:966: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+      { echo "$as_me:984: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { echo "$as_me:970: error: \`$ac_var' was not set in the previous run" >&5
+      { echo "$as_me:988: error: \`$ac_var' was not set in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        { echo "$as_me:976: error: \`$ac_var' has changed since the previous run:" >&5
+        { echo "$as_me:994: error: \`$ac_var' has changed since the previous run:" >&5
 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-        { echo "$as_me:978:   former value:  $ac_old_val" >&5
+        { echo "$as_me:996:   former value:  $ac_old_val" >&5
 echo "$as_me:   former value:  $ac_old_val" >&2;}
-        { echo "$as_me:980:   current value: $ac_new_val" >&5
+        { echo "$as_me:998:   current value: $ac_new_val" >&5
 echo "$as_me:   current value: $ac_new_val" >&2;}
         ac_cache_corrupted=:
       fi;;
@@ -985,7 +1003,7 @@ echo "$as_me:   current value: $ac_new_val" >&2;}
   # Pass precious variables to config.status.  It doesn't matter if
   # we pass some twice (in addition to the command line arguments).
   if test "$ac_new_set" = set; then
-    case $ac_new_val in
+    case "$ac_new_val" in
     *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
       ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"`
       ac_configure_args="$ac_configure_args '$ac_arg'"
@@ -995,35 +1013,43 @@ echo "$as_me:   current value: $ac_new_val" >&2;}
     esac
   fi
 done
-if $ac_cache_corrupted; then
-  { echo "$as_me:999: error: changes in the environment can compromise the build" >&5
+if "$ac_cache_corrupted"; then
+  { echo "$as_me:1017: error: changes in the environment can compromise the build" >&5
 echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { echo "$as_me:1001: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+  { { echo "$as_me:1019: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
 echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 
 case `echo "testing\c" 2>/dev/null; echo 1,2,3`,`echo -n testing 2>/dev/null; echo 1,2,3` in
-  *c*,-n*) ECHO_N= ECHO_C=	# newlines do not sed ;-) only broken shells would use this case anyway
-		   ECHO_T='	' ;;
-  *c*,*  ) ECHO_N=-n ECHO_C= ECHO_T= ;;
-  *)      ECHO_N= ECHO_C='\c' ECHO_T= ;;
+  *c*,-n*) ECHO_N=
+           ECHO_C=      # newlines do not sed ;-) only broken shells would use this case anyway
+           ECHO_T='	'
+           ;;
+  *c*,*  ) ECHO_N=-n
+           ECHO_C=
+           ECHO_T=
+           ;;
+  *)       ECHO_N=
+           ECHO_C='\c'
+           ECHO_T=
+           ;;
 esac
 echo "#! $SHELL" >conftest.sh
 echo  "exit 0"   >>conftest.sh
 chmod +x conftest.sh
-if { (echo "$as_me:1022: PATH=\".;.\"; conftest.sh") >&5
+if { (echo "$as_me:1048: PATH=\".;.\"; conftest.sh") >&5
   (PATH=".;."; conftest.sh) 2>&5
   ac_status=$?
-  echo "$as_me:1025: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1051: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   ac_path_separator=';'
 else
   ac_path_separator=:
@@ -1037,22 +1063,22 @@ top_builddir=`pwd`
 
 ac_aux_dir=
 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
-  if test -f $ac_dir/install-sh; then
+  if test -f "$ac_dir/install-sh"; then
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/install-sh -c"
     break
-  elif test -f $ac_dir/install.sh; then
+  elif test -f "$ac_dir/install.sh"; then
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/install.sh -c"
     break
-  elif test -f $ac_dir/shtool; then
+  elif test -f "$ac_dir/shtool"; then
     ac_aux_dir=$ac_dir
     ac_install_sh="$ac_aux_dir/shtool install -c"
     break
   fi
 done
 if test -z "$ac_aux_dir"; then
-  { { echo "$as_me:1055: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
+  { { echo "$as_me:1081: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
 echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -1062,11 +1088,11 @@ ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
 
 # Make sure we can run config.sub.
 $ac_config_sub sun4 >/dev/null 2>&1 ||
-  { { echo "$as_me:1065: error: cannot run $ac_config_sub" >&5
+  { { echo "$as_me:1091: error: cannot run $ac_config_sub" >&5
 echo "$as_me: error: cannot run $ac_config_sub" >&2;}
    { (exit 1); exit 1; }; }
 
-echo "$as_me:1069: checking build system type" >&5
+echo "$as_me:1095: checking build system type" >&5
 echo $ECHO_N "checking build system type... $ECHO_C" >&6
 if test "${ac_cv_build+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1075,23 +1101,23 @@ else
 test -z "$ac_cv_build_alias" &&
   ac_cv_build_alias=`$ac_config_guess`
 test -z "$ac_cv_build_alias" &&
-  { { echo "$as_me:1078: error: cannot guess build type; you must specify one" >&5
+  { { echo "$as_me:1104: error: cannot guess build type; you must specify one" >&5
 echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
    { (exit 1); exit 1; }; }
-ac_cv_build=`$ac_config_sub $ac_cv_build_alias` ||
-  { { echo "$as_me:1082: error: $ac_config_sub $ac_cv_build_alias failed." >&5
+ac_cv_build=`$ac_config_sub "$ac_cv_build_alias"` ||
+  { { echo "$as_me:1108: error: $ac_config_sub $ac_cv_build_alias failed." >&5
 echo "$as_me: error: $ac_config_sub $ac_cv_build_alias failed." >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:1087: result: $ac_cv_build" >&5
+echo "$as_me:1113: result: $ac_cv_build" >&5
 echo "${ECHO_T}$ac_cv_build" >&6
 build=$ac_cv_build
-build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+build_cpu=`echo "$ac_cv_build" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo "$ac_cv_build" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo "$ac_cv_build" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 
-echo "$as_me:1094: checking host system type" >&5
+echo "$as_me:1120: checking host system type" >&5
 echo $ECHO_N "checking host system type... $ECHO_C" >&6
 if test "${ac_cv_host+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1099,21 +1125,21 @@ else
   ac_cv_host_alias=$host_alias
 test -z "$ac_cv_host_alias" &&
   ac_cv_host_alias=$ac_cv_build_alias
-ac_cv_host=`$ac_config_sub $ac_cv_host_alias` ||
-  { { echo "$as_me:1103: error: $ac_config_sub $ac_cv_host_alias failed" >&5
+ac_cv_host=`$ac_config_sub "$ac_cv_host_alias"` ||
+  { { echo "$as_me:1129: error: $ac_config_sub $ac_cv_host_alias failed" >&5
 echo "$as_me: error: $ac_config_sub $ac_cv_host_alias failed" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:1108: result: $ac_cv_host" >&5
+echo "$as_me:1134: result: $ac_cv_host" >&5
 echo "${ECHO_T}$ac_cv_host" >&6
 host=$ac_cv_host
-host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+host_cpu=`echo "$ac_cv_host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo "$ac_cv_host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo "$ac_cv_host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 
-if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
-	echo "$as_me:1116: checking target system type" >&5
+if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then
+	echo "$as_me:1142: checking target system type" >&5
 echo $ECHO_N "checking target system type... $ECHO_C" >&6
 if test "${ac_cv_target+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1121,18 +1147,18 @@ else
   ac_cv_target_alias=$target_alias
 test "x$ac_cv_target_alias" = "x" &&
   ac_cv_target_alias=$ac_cv_host_alias
-ac_cv_target=`$ac_config_sub $ac_cv_target_alias` ||
-  { { echo "$as_me:1125: error: $ac_config_sub $ac_cv_target_alias failed" >&5
+ac_cv_target=`$ac_config_sub "$ac_cv_target_alias"` ||
+  { { echo "$as_me:1151: error: $ac_config_sub $ac_cv_target_alias failed" >&5
 echo "$as_me: error: $ac_config_sub $ac_cv_target_alias failed" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:1130: result: $ac_cv_target" >&5
+echo "$as_me:1156: result: $ac_cv_target" >&5
 echo "${ECHO_T}$ac_cv_target" >&6
 target=$ac_cv_target
-target_cpu=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
-target_vendor=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
-target_os=`echo $ac_cv_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+target_cpu=`echo "$ac_cv_target" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+target_vendor=`echo "$ac_cv_target" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+target_os=`echo "$ac_cv_target" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 
 # The aliases save the names the user supplied, while $host etc.
 # will get canonicalized.
@@ -1159,13 +1185,13 @@ else
 fi
 
 test -z "$system_name" && system_name="$cf_cv_system_name"
-test -n "$cf_cv_system_name" && echo "$as_me:1162: result: Configuring for $cf_cv_system_name" >&5
+test -n "$cf_cv_system_name" && echo "$as_me:1188: result: Configuring for $cf_cv_system_name" >&5
 echo "${ECHO_T}Configuring for $cf_cv_system_name" >&6
 
 if test ".$system_name" != ".$cf_cv_system_name" ; then
-	echo "$as_me:1166: result: Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)" >&5
+	echo "$as_me:1192: result: Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)" >&5
 echo "${ECHO_T}Cached system name ($system_name) does not agree with actual ($cf_cv_system_name)" >&6
-	{ { echo "$as_me:1168: error: \"Please remove config.cache and try again.\"" >&5
+	{ { echo "$as_me:1194: error: \"Please remove config.cache and try again.\"" >&5
 echo "$as_me: error: \"Please remove config.cache and try again.\"" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -1173,7 +1199,7 @@ fi
 # Check whether --with-system-type or --without-system-type was given.
 if test "${with_system_type+set}" = set; then
   withval="$with_system_type"
-  { echo "$as_me:1176: WARNING: overriding system type to $withval" >&5
+  { echo "$as_me:1202: WARNING: overriding system type to $withval" >&5
 echo "$as_me: WARNING: overriding system type to $withval" >&2;}
 	cf_cv_system_name=$withval
 	host_os=$withval
@@ -1184,8 +1210,105 @@ fi;
 cf_user_CFLAGS="$CFLAGS"
 
 ###	Default install-location
+for ac_prog in ggrep grep
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:1217: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$GREP"; then
+  ac_cv_prog_GREP="$GREP" # Let the user override the test.
+else
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  $as_executable_p "$ac_dir/$ac_word" || continue
+ac_cv_prog_GREP="$ac_prog"
+echo "$as_me:1232: found $ac_dir/$ac_word" >&5
+break
+done
+
+fi
+fi
+GREP=$ac_cv_prog_GREP
+if test -n "$GREP"; then
+  echo "$as_me:1240: result: $GREP" >&5
+echo "${ECHO_T}$GREP" >&6
+else
+  echo "$as_me:1243: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$GREP" && break
+done
+test -n "$GREP" || GREP=": "
+
+echo "$as_me:1251: checking for fgrep" >&5
+echo $ECHO_N "checking for fgrep... $ECHO_C" >&6
+if test "${ac_cv_path_FGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+   then ac_cv_path_FGREP="$GREP -F"
+   else
+     for ac_prog in gfgrep fgrep
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:1263: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_path_FGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  case $FGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_FGREP="$FGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  if $as_executable_p "$ac_dir/$ac_word"; then
+   ac_cv_path_FGREP="$ac_dir/$ac_word"
+   echo "$as_me:1280: found $ac_dir/$ac_word" >&5
+   break
+fi
+done
+
+  ;;
+esac
+fi
+FGREP=$ac_cv_path_FGREP
+
+if test -n "$FGREP"; then
+  echo "$as_me:1291: result: $FGREP" >&5
+echo "${ECHO_T}$FGREP" >&6
+else
+  echo "$as_me:1294: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$FGREP" && break
+done
+test -n "$FGREP" || FGREP=": "
 
-echo "$as_me:1188: checking for prefix" >&5
+     test "x$ac_cv_path_FGREP" = "x:" && { { echo "$as_me:1302: error: cannot find workable fgrep" >&5
+echo "$as_me: error: cannot find workable fgrep" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+fi
+echo "$as_me:1307: result: $ac_cv_path_FGREP" >&5
+echo "${ECHO_T}$ac_cv_path_FGREP" >&6
+ FGREP="$ac_cv_path_FGREP"
+
+echo "$as_me:1311: checking for prefix" >&5
 echo $ECHO_N "checking for prefix... $ECHO_C" >&6
 if test "x$prefix" = "xNONE" ; then
 	case "$cf_cv_system_name" in
@@ -1197,34 +1320,34 @@ if test "x$prefix" = "xNONE" ; then
 		;;
 	esac
 fi
-echo "$as_me:1200: result: $prefix" >&5
+echo "$as_me:1323: result: $prefix" >&5
 echo "${ECHO_T}$prefix" >&6
 
 if test "x$prefix" = "xNONE" ; then
-echo "$as_me:1204: checking for default include-directory" >&5
+echo "$as_me:1327: checking for default include-directory" >&5
 echo $ECHO_N "checking for default include-directory... $ECHO_C" >&6
 test -n "$verbose" && echo 1>&6
 for cf_symbol in \
-	$includedir \
-	$includedir/ncurses \
-	$prefix/include \
-	$prefix/include/ncurses \
+	"$includedir" \
+	"$includedir/ncurses" \
+	"$prefix/include" \
+	"$prefix/include/ncurses" \
 	/usr/local/include \
 	/usr/local/include/ncurses \
 	/usr/include \
 	/usr/include/ncurses
 do
-	cf_dir=`eval echo $cf_symbol`
-	if test -f $cf_dir/curses.h ; then
-	if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
+	cf_dir=`eval echo "$cf_symbol"`
+	if test -f "$cf_dir/curses.h" ; then
+	if ( ${FGREP-fgrep} NCURSES_VERSION "$cf_dir/curses.h" >/dev/null 2>&1 ) ; then
 		includedir="$cf_symbol"
-		test -n "$verbose"  && echo $ac_n "	found " 1>&6
+		test -n "$verbose"  && echo $ECHO_N "	found " 1>&6
 		break
 	fi
 	fi
 	test -n "$verbose"  && echo "	tested $cf_dir" 1>&6
 done
-echo "$as_me:1227: result: $includedir" >&5
+echo "$as_me:1350: result: $includedir" >&5
 echo "${ECHO_T}$includedir" >&6
 fi
 
@@ -1232,16 +1355,16 @@ fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 if test -n "$ac_tool_prefix"; then
   for ac_prog in gnatgcc gcc cc
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:1244: checking for $ac_word" >&5
+echo "$as_me:1367: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1256,7 +1379,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-echo "$as_me:1259: found $ac_dir/$ac_word" >&5
+echo "$as_me:1382: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1264,10 +1387,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  echo "$as_me:1267: result: $CC" >&5
+  echo "$as_me:1390: result: $CC" >&5
 echo "${ECHO_T}$CC" >&6
 else
-  echo "$as_me:1270: result: no" >&5
+  echo "$as_me:1393: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1280,7 +1403,7 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1283: checking for $ac_word" >&5
+echo "$as_me:1406: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1295,7 +1418,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_CC="$ac_prog"
-echo "$as_me:1298: found $ac_dir/$ac_word" >&5
+echo "$as_me:1421: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1303,10 +1426,10 @@ fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  echo "$as_me:1306: result: $ac_ct_CC" >&5
+  echo "$as_me:1429: result: $ac_ct_CC" >&5
 echo "${ECHO_T}$ac_ct_CC" >&6
 else
-  echo "$as_me:1309: result: no" >&5
+  echo "$as_me:1432: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1316,36 +1439,36 @@ done
   CC=$ac_ct_CC
 fi
 
-test -z "$CC" && { { echo "$as_me:1319: error: no acceptable cc found in \$PATH" >&5
+test -z "$CC" && { { echo "$as_me:1442: error: no acceptable cc found in \$PATH" >&5
 echo "$as_me: error: no acceptable cc found in \$PATH" >&2;}
    { (exit 1); exit 1; }; }
 
 # Provide some information about the compiler.
-echo "$as_me:1324:" \
+echo "$as_me:1447:" \
      "checking for C compiler version" >&5
-ac_compiler=`set X $ac_compile; echo $2`
-{ (eval echo "$as_me:1327: \"$ac_compiler --version </dev/null >&5\"") >&5
+ac_compiler=`set X $ac_compile; echo "$2"`
+{ (eval echo "$as_me:1450: \"$ac_compiler --version </dev/null >&5\"") >&5
   (eval $ac_compiler --version </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1330: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:1332: \"$ac_compiler -v </dev/null >&5\"") >&5
+  echo "$as_me:1453: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
+{ (eval echo "$as_me:1455: \"$ac_compiler -v </dev/null >&5\"") >&5
   (eval $ac_compiler -v </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1335: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (eval echo "$as_me:1337: \"$ac_compiler -V </dev/null >&5\"") >&5
+  echo "$as_me:1458: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
+{ (eval echo "$as_me:1460: \"$ac_compiler -V </dev/null >&5\"") >&5
   (eval $ac_compiler -V </dev/null >&5) 2>&5
   ac_status=$?
-  echo "$as_me:1340: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:1463: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 1344 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 1467 "configure"
 #include "confdefs.h"
 
 int
-main ()
+main (void)
 {
 
   ;
@@ -1357,14 +1480,14 @@ ac_clean_files="$ac_clean_files a.out a.exe"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-echo "$as_me:1360: checking for C compiler default output" >&5
+echo "$as_me:1483: checking for C compiler default output" >&5
 echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6
-ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
-if { (eval echo "$as_me:1363: \"$ac_link_default\"") >&5
+ac_link_default=`echo "$ac_link" | sed 's/ -o *"conftest[^"]*"//'`
+if { (eval echo "$as_me:1486: \"$ac_link_default\"") >&5
   (eval $ac_link_default) 2>&5
   ac_status=$?
-  echo "$as_me:1366: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1489: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   # Find the output, starting from the most likely.  This scheme is
 # not robust to junk in `.', hence go to wildcards (a.*) only as a last
 # resort.
@@ -1385,35 +1508,35 @@ for ac_file in `ls a.exe conftest.exe 2>/dev/null;
 done
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-{ { echo "$as_me:1389: error: C compiler cannot create executables" >&5
+cat "conftest.$ac_ext" >&5
+{ { echo "$as_me:1512: error: C compiler cannot create executables" >&5
 echo "$as_me: error: C compiler cannot create executables" >&2;}
    { (exit 77); exit 77; }; }
 fi
 
 ac_exeext=$ac_cv_exeext
-echo "$as_me:1395: result: $ac_file" >&5
+echo "$as_me:1518: result: $ac_file" >&5
 echo "${ECHO_T}$ac_file" >&6
 
 # Check the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:1400: checking whether the C compiler works" >&5
+echo "$as_me:1523: checking whether the C compiler works" >&5
 echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
 # FIXME: These cross compiler hacks should be removed for Autoconf 3.0
 # If not cross compiling, check that we can run a simple program.
 if test "$cross_compiling" != yes; then
   if { ac_try='./$ac_file'
-  { (eval echo "$as_me:1406: \"$ac_try\"") >&5
+  { (eval echo "$as_me:1529: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1409: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1532: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { echo "$as_me:1416: error: cannot run C compiled programs.
+	{ { echo "$as_me:1539: error: cannot run C compiled programs.
 If you meant to cross compile, use \`--host'." >&5
 echo "$as_me: error: cannot run C compiled programs.
 If you meant to cross compile, use \`--host'." >&2;}
@@ -1421,25 +1544,25 @@ If you meant to cross compile, use \`--host'." >&2;}
     fi
   fi
 fi
-echo "$as_me:1424: result: yes" >&5
+echo "$as_me:1547: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-rm -f a.out a.exe conftest$ac_cv_exeext
+rm -f a.out a.exe "conftest$ac_cv_exeext"
 ac_clean_files=$ac_clean_files_save
 # Check the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-echo "$as_me:1431: checking whether we are cross compiling" >&5
+echo "$as_me:1554: checking whether we are cross compiling" >&5
 echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
-echo "$as_me:1433: result: $cross_compiling" >&5
+echo "$as_me:1556: result: $cross_compiling" >&5
 echo "${ECHO_T}$cross_compiling" >&6
 
-echo "$as_me:1436: checking for executable suffix" >&5
+echo "$as_me:1559: checking for executable suffix" >&5
 echo $ECHO_N "checking for executable suffix... $ECHO_C" >&6
-if { (eval echo "$as_me:1438: \"$ac_link\"") >&5
+if { (eval echo "$as_me:1561: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:1441: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1564: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -1454,29 +1577,29 @@ for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do
   esac
 done
 else
-  { { echo "$as_me:1457: error: cannot compute EXEEXT: cannot compile and link" >&5
+  { { echo "$as_me:1580: error: cannot compute EXEEXT: cannot compile and link" >&5
 echo "$as_me: error: cannot compute EXEEXT: cannot compile and link" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-rm -f conftest$ac_cv_exeext
-echo "$as_me:1463: result: $ac_cv_exeext" >&5
+rm -f "conftest$ac_cv_exeext"
+echo "$as_me:1586: result: $ac_cv_exeext" >&5
 echo "${ECHO_T}$ac_cv_exeext" >&6
 
-rm -f conftest.$ac_ext
+rm -f "conftest.$ac_ext"
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-echo "$as_me:1469: checking for object suffix" >&5
+echo "$as_me:1592: checking for object suffix" >&5
 echo $ECHO_N "checking for object suffix... $ECHO_C" >&6
 if test "${ac_cv_objext+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1475 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1598 "configure"
 #include "confdefs.h"
 
 int
-main ()
+main (void)
 {
 
   ;
@@ -1484,11 +1607,11 @@ main ()
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (eval echo "$as_me:1487: \"$ac_compile\"") >&5
+if { (eval echo "$as_me:1610: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1490: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:1613: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
   for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
   case $ac_file in
     *.$ac_ext | *.xcoff | *.tds | *.d | *.dbg | *.pdb | *.xSYM | *.map | *.inf ) ;;
@@ -1498,29 +1621,29 @@ if { (eval echo "$as_me:1487: \"$ac_compile\"") >&5
 done
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-{ { echo "$as_me:1502: error: cannot compute OBJEXT: cannot compile" >&5
+cat "conftest.$ac_ext" >&5
+{ { echo "$as_me:1625: error: cannot compute OBJEXT: cannot compile" >&5
 echo "$as_me: error: cannot compute OBJEXT: cannot compile" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-rm -f conftest.$ac_cv_objext conftest.$ac_ext
+rm -f "conftest.$ac_cv_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:1509: result: $ac_cv_objext" >&5
+echo "$as_me:1632: result: $ac_cv_objext" >&5
 echo "${ECHO_T}$ac_cv_objext" >&6
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-echo "$as_me:1513: checking whether we are using the GNU C compiler" >&5
+echo "$as_me:1636: checking whether we are using the GNU C compiler" >&5
 echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
 if test "${ac_cv_c_compiler_gnu+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1519 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1642 "configure"
 #include "confdefs.h"
 
 int
-main ()
+main (void)
 {
 #ifndef __GNUC__
        choke me
@@ -1530,72 +1653,72 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1534: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1657: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1537: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1540: \"$ac_try\"") >&5
+  echo "$as_me:1660: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1663: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1543: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1666: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_compiler_gnu=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_compiler_gnu=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-echo "$as_me:1555: result: $ac_cv_c_compiler_gnu" >&5
+echo "$as_me:1678: result: $ac_cv_c_compiler_gnu" >&5
 echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
 GCC=`test $ac_compiler_gnu = yes && echo yes`
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 CFLAGS="-g"
-echo "$as_me:1561: checking whether $CC accepts -g" >&5
+echo "$as_me:1684: checking whether $CC accepts -g" >&5
 echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
 if test "${ac_cv_prog_cc_g+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1567 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1690 "configure"
 #include "confdefs.h"
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1579: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1702: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1582: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1585: \"$ac_try\"") >&5
+  echo "$as_me:1705: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1708: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1588: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1711: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_prog_cc_g=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_prog_cc_g=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:1598: result: $ac_cv_prog_cc_g" >&5
+echo "$as_me:1721: result: $ac_cv_prog_cc_g" >&5
 echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
@@ -1616,23 +1739,23 @@ fi
 # in C++ we need to declare it.  In case someone uses the same compiler
 # for both compiling C and C++ we need to have the C++ compiler decide
 # the declaration of exit, since it's the most demanding environment.
-cat >conftest.$ac_ext <<_ACEOF
+cat >"conftest.$ac_ext" <<_ACEOF
 #ifndef __cplusplus
   choke me
 #endif
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1625: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1748: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1628: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1631: \"$ac_try\"") >&5
+  echo "$as_me:1751: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1754: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1634: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1757: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   for ac_declaration in \
    ''\
    '#include <stdlib.h>' \
@@ -1642,107 +1765,284 @@ if { (eval echo "$as_me:1625: \"$ac_compile\"") >&5
    'extern "C" void exit (int);' \
    'void exit (int);'
 do
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1646 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1769 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 $ac_declaration
 int
-main ()
+main (void)
 {
 exit (42);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1659: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1782: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1662: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1665: \"$ac_try\"") >&5
+  echo "$as_me:1785: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1788: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1668: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1791: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 continue
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1678 "configure"
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 1801 "configure"
 #include "confdefs.h"
 $ac_declaration
 int
-main ()
+main (void)
 {
 exit (42);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1690: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1813: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1693: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1696: \"$ac_try\"") >&5
+  echo "$as_me:1816: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1819: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1699: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:1822: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 rm -rf conftest*
 if test -n "$ac_declaration"; then
   echo '#ifdef __cplusplus' >>confdefs.h
-  echo $ac_declaration      >>confdefs.h
+  echo "$ac_declaration"    >>confdefs.h
   echo '#endif'             >>confdefs.h
 fi
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 
 GCC_VERSION=none
 if test "$GCC" = yes ; then
-	echo "$as_me:1729: checking version of $CC" >&5
+	echo "$as_me:1852: checking version of $CC" >&5
 echo $ECHO_N "checking version of $CC... $ECHO_C" >&6
 	GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[^)]*) //' -e 's/^.*(Debian[^)]*) //' -e 's/^[^0-9.]*//' -e 's/[^0-9.].*//'`"
 	test -z "$GCC_VERSION" && GCC_VERSION=unknown
-	echo "$as_me:1733: result: $GCC_VERSION" >&5
+	echo "$as_me:1856: result: $GCC_VERSION" >&5
 echo "${ECHO_T}$GCC_VERSION" >&6
 fi
 
-echo "$as_me:1737: checking for $CC option to accept ANSI C" >&5
+INTEL_COMPILER=no
+
+if test "$GCC" = yes ; then
+	case "$host_os" in
+	(linux*|gnu*)
+		echo "$as_me:1865: checking if this is really Intel C compiler" >&5
+echo $ECHO_N "checking if this is really Intel C compiler... $ECHO_C" >&6
+		cf_save_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -no-gcc"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 1870 "configure"
+#include "confdefs.h"
+
+int
+main (void)
+{
+
+#ifdef __INTEL_COMPILER
+#else
+make an error
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1887: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1890: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1893: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1896: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  INTEL_COMPILER=yes
+cf_save_CFLAGS="$cf_save_CFLAGS -we147"
+
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+		CFLAGS="$cf_save_CFLAGS"
+		echo "$as_me:1907: result: $INTEL_COMPILER" >&5
+echo "${ECHO_T}$INTEL_COMPILER" >&6
+		;;
+	esac
+fi
+
+CLANG_COMPILER=no
+
+if test "$GCC" = yes ; then
+	echo "$as_me:1916: checking if this is really Clang C compiler" >&5
+echo $ECHO_N "checking if this is really Clang C compiler... $ECHO_C" >&6
+	cf_save_CFLAGS="$CFLAGS"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 1920 "configure"
+#include "confdefs.h"
+
+int
+main (void)
+{
+
+#ifdef __clang__
+#else
+make an error
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:1937: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:1940: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:1943: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:1946: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  CLANG_COMPILER=yes
+
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+	CFLAGS="$cf_save_CFLAGS"
+	echo "$as_me:1956: result: $CLANG_COMPILER" >&5
+echo "${ECHO_T}$CLANG_COMPILER" >&6
+fi
+
+CLANG_VERSION=none
+
+if test "x$CLANG_COMPILER" = "xyes" ; then
+	case "$CC" in
+	(c[1-9][0-9]|*/c[1-9][0-9])
+		{ echo "$as_me:1965: WARNING: replacing broken compiler alias $CC" >&5
+echo "$as_me: WARNING: replacing broken compiler alias $CC" >&2;}
+		CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
+		CC=clang
+		;;
+	esac
+
+	echo "$as_me:1972: checking version of $CC" >&5
+echo $ECHO_N "checking version of $CC... $ECHO_C" >&6
+	CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[^)]*) //' -e 's/^.*(Debian[^)]*) //' -e 's/^[^0-9.]*//' -e 's/[^0-9.].*//'`"
+	test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
+	echo "$as_me:1976: result: $CLANG_VERSION" >&5
+echo "${ECHO_T}$CLANG_VERSION" >&6
+
+	for cf_clang_opt in \
+		-Qunused-arguments \
+		-Wno-error=implicit-function-declaration
+	do
+		echo "$as_me:1983: checking if option $cf_clang_opt works" >&5
+echo $ECHO_N "checking if option $cf_clang_opt works... $ECHO_C" >&6
+		cf_save_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS $cf_clang_opt"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 1988 "configure"
+#include "confdefs.h"
+
+			#include <stdio.h>
+int
+main (void)
+{
+
+			printf("hello!\\n");
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:2002: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:2005: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:2008: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:2011: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+
+			cf_clang_optok=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+
+			cf_clang_optok=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:2022: result: $cf_clang_optok" >&5
+echo "${ECHO_T}$cf_clang_optok" >&6
+		CFLAGS="$cf_save_CFLAGS"
+		if test "$cf_clang_optok" = yes; then
+			test -n "$verbose" && echo "	adding option $cf_clang_opt" 1>&6
+
+echo "${as_me:-configure}:2028: testing adding option $cf_clang_opt ..." 1>&5
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_clang_opt"
+
+		fi
+	done
+fi
+
+echo "$as_me:2037: checking for $CC option to accept ANSI C" >&5
 echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
 if test "${ac_cv_prog_cc_stdc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_cv_prog_cc_stdc=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-#line 1745 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 2045 "configure"
 #include "confdefs.h"
 #include <stdarg.h>
 #include <stdio.h>
@@ -1773,7 +2073,7 @@ int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, i
 int argc;
 char **argv;
 int
-main ()
+main (void)
 {
 return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
   ;
@@ -1790,80 +2090,87 @@ _ACEOF
 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (eval echo "$as_me:1794: \"$ac_compile\"") >&5
+  rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:2094: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:1797: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:1800: \"$ac_try\"") >&5
+  echo "$as_me:2097: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:2100: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:1803: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:2103: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_prog_cc_stdc=$ac_arg
 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext
+rm -f "conftest.$ac_objext"
 done
-rm -f conftest.$ac_ext conftest.$ac_objext
+rm -f "conftest.$ac_ext" "conftest.$ac_objext"
 CC=$ac_save_CC
 
 fi
 
 case "x$ac_cv_prog_cc_stdc" in
   x|xno)
-    echo "$as_me:1820: result: none needed" >&5
+    echo "$as_me:2120: result: none needed" >&5
 echo "${ECHO_T}none needed" >&6 ;;
   *)
-    echo "$as_me:1823: result: $ac_cv_prog_cc_stdc" >&5
+    echo "$as_me:2123: result: $ac_cv_prog_cc_stdc" >&5
 echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
     CC="$CC $ac_cv_prog_cc_stdc" ;;
 esac
 
 # This should have been defined by AC_PROG_CC
-: ${CC:=cc}
+: "${CC:=cc}"
 
-echo "$as_me:1831: checking \$CC variable" >&5
-echo $ECHO_N "checking \$CC variable... $ECHO_C" >&6
-case "$CC" in
-(*[\ \	]-[IUD]*)
-	echo "$as_me:1835: result: broken" >&5
+echo "$as_me:2131: checking \$CFLAGS variable" >&5
+echo $ECHO_N "checking \$CFLAGS variable... $ECHO_C" >&6
+case "x$CFLAGS" in
+(*-[IUD]*)
+	echo "$as_me:2135: result: broken" >&5
 echo "${ECHO_T}broken" >&6
-	{ echo "$as_me:1837: WARNING: your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options" >&5
-echo "$as_me: WARNING: your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options" >&2;}
-	# humor him...
-	cf_flags=`echo "$CC" | sed -e 's/^[^ 	]*[ 	]//'`
-	CC=`echo "$CC" | sed -e 's/[ 	].*//'`
+	{ echo "$as_me:2137: WARNING: your environment uses the CFLAGS variable to hold CPPFLAGS options" >&5
+echo "$as_me: WARNING: your environment uses the CFLAGS variable to hold CPPFLAGS options" >&2;}
+	cf_flags="$CFLAGS"
+	CFLAGS=
+	for cf_arg in $cf_flags
+	do
 
 cf_fix_cppflags=no
 cf_new_cflags=
 cf_new_cppflags=
 cf_new_extra_cppflags=
 
-for cf_add_cflags in $cf_flags
+for cf_add_cflags in $cf_arg
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			fi
 			;;
@@ -1872,7 +2179,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -1882,19 +2189,27 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 				;;
 			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
 			;;
 		esac
 		;;
 	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
 		;;
 	esac
 	;;
 (yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -1905,122 +2220,329 @@ done
 
 if test -n "$cf_new_cflags" ; then
 
-	CFLAGS="$CFLAGS $cf_new_cflags"
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
 fi
 
 if test -n "$cf_new_cppflags" ; then
 
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
 
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
 fi
 
+	done
 	;;
 (*)
-	echo "$as_me:1923: result: ok" >&5
+	echo "$as_me:2245: result: ok" >&5
 echo "${ECHO_T}ok" >&6
 	;;
 esac
 
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
-echo "$as_me:1934: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
-# On Suns, sometimes $CPP names a directory.
-if test -n "$CPP" && test -d "$CPP"; then
-  CPP=
-fi
-if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-      # Double quotes because CPP needs to be expanded
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
-    do
-      ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
+echo "$as_me:2250: checking \$CC variable" >&5
+echo $ECHO_N "checking \$CC variable... $ECHO_C" >&6
+case "$CC" in
+(*[\ \	]-*)
+	echo "$as_me:2254: result: broken" >&5
+echo "${ECHO_T}broken" >&6
+	{ echo "$as_me:2256: WARNING: your environment uses the CC variable to hold CFLAGS/CPPFLAGS options" >&5
+echo "$as_me: WARNING: your environment uses the CC variable to hold CFLAGS/CPPFLAGS options" >&2;}
+	# humor him...
+	cf_prog=`echo "$CC" | sed -e 's/	/ /g' -e 's/[ ]* / /g' -e 's/[ ]*[ ]-[^ ].*//'`
+	cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", substr($0,1+length(prog))); }'`
+	CC="$cf_prog"
+	for cf_arg in $cf_flags
+	do
+		case "x$cf_arg" in
+		(x-[IUDfgOW]*)
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_arg
 do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1955 "configure"
-#include "confdefs.h"
-#include <assert.h>
-                     Syntax error
-_ACEOF
-if { (eval echo "$as_me:1960: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:1966: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  :
-else
-  echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.$ac_ext
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
-  # OK, works on sane cases.  Now check whether non-existent headers
-  # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 1989 "configure"
-#include "confdefs.h"
-#include <ac_nonexistent.h>
-_ACEOF
-if { (eval echo "$as_me:1993: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-  ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:1999: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
-  if test -s conftest.err; then
-    ac_cpp_err=$ac_c_preproc_warn_flag
-  else
-    ac_cpp_err=
-  fi
-else
-  ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
-  # Broken: success on invalid input.
-continue
-else
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+			;;
+		(*)
+			CC="$CC $cf_arg"
+			;;
+		esac
+	done
+	test -n "$verbose" && echo "	resulting CC: '$CC'" 1>&6
+
+echo "${as_me:-configure}:2373: testing resulting CC: '$CC' ..." 1>&5
+
+	test -n "$verbose" && echo "	resulting CFLAGS: '$CFLAGS'" 1>&6
+
+echo "${as_me:-configure}:2377: testing resulting CFLAGS: '$CFLAGS' ..." 1>&5
+
+	test -n "$verbose" && echo "	resulting CPPFLAGS: '$CPPFLAGS'" 1>&6
+
+echo "${as_me:-configure}:2381: testing resulting CPPFLAGS: '$CPPFLAGS' ..." 1>&5
+
+	;;
+(*)
+	echo "$as_me:2385: result: ok" >&5
+echo "${ECHO_T}ok" >&6
+	;;
+esac
+
+echo "$as_me:2390: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     for ac_prog in gegrep egrep
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:2402: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  case $EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_EGREP="$EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  ac_save_IFS=$IFS; IFS=$ac_path_separator
+ac_dummy="$PATH"
+for ac_dir in $ac_dummy; do
+  IFS=$ac_save_IFS
+  test -z "$ac_dir" && ac_dir=.
+  if $as_executable_p "$ac_dir/$ac_word"; then
+   ac_cv_path_EGREP="$ac_dir/$ac_word"
+   echo "$as_me:2419: found $ac_dir/$ac_word" >&5
+   break
+fi
+done
+
+  ;;
+esac
+fi
+EGREP=$ac_cv_path_EGREP
+
+if test -n "$EGREP"; then
+  echo "$as_me:2430: result: $EGREP" >&5
+echo "${ECHO_T}$EGREP" >&6
+else
+  echo "$as_me:2433: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$EGREP" && break
+done
+test -n "$EGREP" || EGREP=": "
+
+     test "x$ac_cv_path_EGREP" = "x:" && { { echo "$as_me:2441: error: cannot find workable egrep" >&5
+echo "$as_me: error: cannot find workable egrep" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+fi
+echo "$as_me:2446: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6
+ EGREP="$ac_cv_path_EGREP"
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+ac_main_return="return"
+echo "$as_me:2456: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2477 "configure"
+#include "confdefs.h"
+#include <assert.h>
+                     Syntax error
+_ACEOF
+if { (eval echo "$as_me:2482: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:2488: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+  cat "conftest.$ac_ext" >&5
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err "conftest.$ac_ext"
+
+  # OK, works on sane cases.  Now check whether non-existent headers
+  # can be detected and how.
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2511 "configure"
+#include "confdefs.h"
+#include <ac_nonexistent.h>
+_ACEOF
+if { (eval echo "$as_me:2515: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:2521: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  # Broken: success on invalid input.
+continue
+else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 if $ac_preproc_ok; then
   break
 fi
@@ -2033,7 +2555,7 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-echo "$as_me:2036: result: $CPP" >&5
+echo "$as_me:2558: result: $CPP" >&5
 echo "${ECHO_T}$CPP" >&6
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
@@ -2042,20 +2564,20 @@ do
   # with a fresh cross-compiler works.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2046 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2568 "configure"
 #include "confdefs.h"
 #include <assert.h>
                      Syntax error
 _ACEOF
-if { (eval echo "$as_me:2051: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:2573: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:2057: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:2579: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -2068,27 +2590,27 @@ if test -z "$ac_cpp_err"; then
   :
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   # Broken: fails on valid input.
 continue
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
   # OK, works on sane cases.  Now check whether non-existent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2080 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2602 "configure"
 #include "confdefs.h"
 #include <ac_nonexistent.h>
 _ACEOF
-if { (eval echo "$as_me:2084: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:2606: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:2090: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:2612: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -2102,46 +2624,46 @@ if test -z "$ac_cpp_err"; then
 continue
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 if $ac_preproc_ok; then
   :
 else
-  { { echo "$as_me:2118: error: C preprocessor \"$CPP\" fails sanity check" >&5
+  { { echo "$as_me:2640: error: C preprocessor \"$CPP\" fails sanity check" >&5
 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 
 if test $ac_cv_c_compiler_gnu = yes; then
-    echo "$as_me:2131: checking whether $CC needs -traditional" >&5
+    echo "$as_me:2653: checking whether $CC needs -traditional" >&5
 echo $ECHO_N "checking whether $CC needs -traditional... $ECHO_C" >&6
 if test "${ac_cv_prog_gcc_traditional+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
     ac_pattern="Autoconf.*'x'"
-  cat >conftest.$ac_ext <<_ACEOF
-#line 2138 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 2660 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 int Autoconf = TIOCGETP;
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "$ac_pattern" >/dev/null 2>&1; then
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then
   ac_cv_prog_gcc_traditional=yes
 else
   ac_cv_prog_gcc_traditional=no
@@ -2149,66 +2671,65 @@ fi
 rm -rf conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
-    cat >conftest.$ac_ext <<_ACEOF
-#line 2153 "configure"
+    cat >"conftest.$ac_ext" <<_ACEOF
+#line 2675 "configure"
 #include "confdefs.h"
 #include <termio.h>
 int Autoconf = TCGETA;
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "$ac_pattern" >/dev/null 2>&1; then
+  $EGREP "$ac_pattern" >/dev/null 2>&1; then
   ac_cv_prog_gcc_traditional=yes
 fi
 rm -rf conftest*
 
   fi
 fi
-echo "$as_me:2166: result: $ac_cv_prog_gcc_traditional" >&5
+echo "$as_me:2688: result: $ac_cv_prog_gcc_traditional" >&5
 echo "${ECHO_T}$ac_cv_prog_gcc_traditional" >&6
   if test $ac_cv_prog_gcc_traditional = yes; then
     CC="$CC -traditional"
   fi
 fi
 
-echo "$as_me:2173: checking whether $CC understands -c and -o together" >&5
+echo "$as_me:2695: checking whether $CC understands -c and -o together" >&5
 echo $ECHO_N "checking whether $CC understands -c and -o together... $ECHO_C" >&6
 if test "${cf_cv_prog_CC_c_o+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 cat > conftest.$ac_ext <<CF_EOF
-#include <stdio.h>
-int main()
+int main(void)
 {
 	${cf_cv_main_return:-return}(0);
 }
 CF_EOF
 # We do the test twice because some compilers refuse to overwrite an
 # existing .o file with -o, though they will create one.
-ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
-if { (eval echo "$as_me:2189: \"$ac_try\"") >&5
+ac_try='$CC $CFLAGS $CPPFLAGS -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
+if { (eval echo "$as_me:2710: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2192: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-  test -f conftest2.$ac_objext && { (eval echo "$as_me:2194: \"$ac_try\"") >&5
+  echo "$as_me:2713: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+  test -f conftest2.$ac_objext && { (eval echo "$as_me:2715: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:2197: \$? = $ac_status" >&5
-  (exit $ac_status); };
+  echo "$as_me:2718: \$? = $ac_status" >&5
+  (exit "$ac_status"); };
 then
   eval cf_cv_prog_CC_c_o=yes
 else
   eval cf_cv_prog_CC_c_o=no
 fi
-rm -rf conftest*
+rm -rf ./conftest*
 
 fi
-if test $cf_cv_prog_CC_c_o = yes; then
-  echo "$as_me:2208: result: yes" >&5
+if test "$cf_cv_prog_CC_c_o" = yes; then
+  echo "$as_me:2729: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
-  echo "$as_me:2211: result: no" >&5
+  echo "$as_me:2732: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2229,7 +2750,7 @@ for ac_prog in mawk gawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2232: checking for $ac_word" >&5
+echo "$as_me:2753: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_AWK+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2244,7 +2765,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_AWK="$ac_prog"
-echo "$as_me:2247: found $ac_dir/$ac_word" >&5
+echo "$as_me:2768: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2252,21 +2773,21 @@ fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  echo "$as_me:2255: result: $AWK" >&5
+  echo "$as_me:2776: result: $AWK" >&5
 echo "${ECHO_T}$AWK" >&6
 else
-  echo "$as_me:2258: result: no" >&5
+  echo "$as_me:2779: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
   test -n "$AWK" && break
 done
 
-test -z "$AWK" && { { echo "$as_me:2265: error: No awk program found" >&5
+test -z "$AWK" && { { echo "$as_me:2786: error: No awk program found" >&5
 echo "$as_me: error: No awk program found" >&2;}
    { (exit 1); exit 1; }; }
 
-echo "$as_me:2269: checking for egrep" >&5
+echo "$as_me:2790: checking for egrep" >&5
 echo $ECHO_N "checking for egrep... $ECHO_C" >&6
 if test "${ac_cv_prog_egrep+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2276,11 +2797,11 @@ else
 		else ac_cv_prog_egrep='egrep'
 	fi
 fi
-echo "$as_me:2279: result: $ac_cv_prog_egrep" >&5
+echo "$as_me:2800: result: $ac_cv_prog_egrep" >&5
 echo "${ECHO_T}$ac_cv_prog_egrep" >&6
 	EGREP=$ac_cv_prog_egrep
 
-	test -z "$EGREP" && { { echo "$as_me:2283: error: No egrep program found" >&5
+	test -z "$EGREP" && { { echo "$as_me:2804: error: No egrep program found" >&5
 echo "$as_me: error: No egrep program found" >&2;}
    { (exit 1); exit 1; }; }
 
@@ -2296,7 +2817,7 @@ echo "$as_me: error: No egrep program found" >&2;}
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
-echo "$as_me:2299: checking for a BSD compatible install" >&5
+echo "$as_me:2820: checking for a BSD compatible install" >&5
 echo $ECHO_N "checking for a BSD compatible install... $ECHO_C" >&6
 if test -z "$INSTALL"; then
 if test "${ac_cv_path_install+set}" = set; then
@@ -2345,7 +2866,7 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-echo "$as_me:2348: result: $INSTALL" >&5
+echo "$as_me:2869: result: $INSTALL" >&5
 echo "${ECHO_T}$INSTALL" >&6
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
@@ -2356,18 +2877,18 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-echo "$as_me:2359: checking whether ln -s works" >&5
+echo "$as_me:2880: checking whether ln -s works" >&5
 echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6
 LN_S=$as_ln_s
 if test "$LN_S" = "ln -s"; then
-  echo "$as_me:2363: result: yes" >&5
+  echo "$as_me:2884: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
-  echo "$as_me:2366: result: no, using $LN_S" >&5
+  echo "$as_me:2887: result: no, using $LN_S" >&5
 echo "${ECHO_T}no, using $LN_S" >&6
 fi
 
-echo "$as_me:2370: checking if $LN_S -f options work" >&5
+echo "$as_me:2891: checking if $LN_S -f options work" >&5
 echo $ECHO_N "checking if $LN_S -f options work... $ECHO_C" >&6
 
 rm -f conf$$.src conf$$dst
@@ -2379,53 +2900,217 @@ else
 	cf_prog_ln_sf=no
 fi
 rm -f conf$$.dst conf$$src
-echo "$as_me:2382: result: $cf_prog_ln_sf" >&5
+echo "$as_me:2903: result: $cf_prog_ln_sf" >&5
 echo "${ECHO_T}$cf_prog_ln_sf" >&6
 
 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
 
-echo "$as_me:2387: checking for long file names" >&5
-echo $ECHO_N "checking for long file names... $ECHO_C" >&6
-if test "${ac_cv_sys_long_file_names+set}" = set; then
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# ./install, which can be erroneously created by make from ./install.sh.
+echo "$as_me:2920: checking for a BSD compatible install" >&5
+echo $ECHO_N "checking for a BSD compatible install... $ECHO_C" >&6
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_cv_sys_long_file_names=yes
-# Test for long file names in all the places we know might matter:
-#      .		the current directory, where building will happen
-#      $prefix/lib	where we will be installing things
-#      $exec_prefix/lib	likewise
-# eval it to expand exec_prefix.
-#      $TMPDIR		if set, where it might want to write temporary files
-# if $TMPDIR is not set:
-#      /tmp		where it might want to write temporary files
-#      /var/tmp		likewise
-#      /usr/tmp		likewise
-if test -n "$TMPDIR" && test -d "$TMPDIR" && test -w "$TMPDIR"; then
-  ac_tmpdirs=$TMPDIR
-else
-  ac_tmpdirs='/tmp /var/tmp /usr/tmp'
+    ac_save_IFS=$IFS; IFS=$ac_path_separator
+  for ac_dir in $PATH; do
+    IFS=$ac_save_IFS
+    # Account for people who put trailing slashes in PATH elements.
+    case $ac_dir/ in
+    / | ./ | .// | /cC/* \
+    | /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* \
+    | /usr/ucb/* ) ;;
+    *)
+      # OSF1 and SCO ODT 3.0 have their own names for install.
+      # Don't use installbsd from OSF since it installs stuff as root
+      # by default.
+      for ac_prog in ginstall scoinst install; do
+        if $as_executable_p "$ac_dir/$ac_prog"; then
+	  if test $ac_prog = install &&
+            grep dspmsg "$ac_dir/$ac_prog" >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  elif test $ac_prog = install &&
+	    grep pwplus "$ac_dir/$ac_prog" >/dev/null 2>&1; then
+	    # program-specific install script used by HP pwplus--don't use.
+	    :
+	  else
+	    ac_cv_path_install="$ac_dir/$ac_prog -c"
+	    break 2
+	  fi
+	fi
+      done
+      ;;
+    esac
+  done
+
 fi
-for ac_dir in  . $ac_tmpdirs `eval echo $prefix/lib $exec_prefix/lib` ; do
-  test -d $ac_dir || continue
-  test -w $ac_dir || continue # It is less confusing to not echo anything here.
-  ac_xdir=$ac_dir/cf$$
-  (umask 077 && mkdir $ac_xdir 2>/dev/null) || continue
-  ac_tf1=$ac_xdir/conftest9012345
-  ac_tf2=$ac_xdir/conftest9012346
-  (echo 1 >$ac_tf1) 2>/dev/null
-  (echo 2 >$ac_tf2) 2>/dev/null
-  ac_val=`cat $ac_tf1 2>/dev/null`
-  if test ! -f $ac_tf1 || test "$ac_val" != 1; then
-    ac_cv_sys_long_file_names=no
-    rm -rf $ac_xdir 2>/dev/null
-    break
-  fi
-  rm -rf $ac_xdir 2>/dev/null
-done
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL=$ac_cv_path_install
+  else
+    # As a last resort, use the slow shell script.  We don't cache a
+    # path for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the path is relative.
+    INSTALL=$ac_install_sh
+  fi
+fi
+echo "$as_me:2969: result: $INSTALL" >&5
+echo "${ECHO_T}$INSTALL" >&6
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+case $INSTALL in
+(/*)
+	;;
+(*)
+	cf_dir=`echo "$INSTALL" | sed -e 's%/[^/]*$%%'`
+	test -z "$cf_dir" && cf_dir=.
+	INSTALL="`cd \"$cf_dir\" && pwd`"/"`echo "$INSTALL" | sed -e 's%^.*/%%'`"
+	;;
+esac
+
+echo "$as_me:2990: checking if you want to install stripped executables" >&5
+echo $ECHO_N "checking if you want to install stripped executables... $ECHO_C" >&6
+
+# Check whether --enable-stripping or --disable-stripping was given.
+if test "${enable_stripping+set}" = set; then
+  enableval="$enable_stripping"
+  test "$enableval" != no && enableval=yes
+	if test "$enableval" != "yes" ; then
+    enable_stripping=no
+	else
+		enable_stripping=yes
+	fi
+else
+  enableval=yes
+	enable_stripping=yes
+
+fi;
+echo "$as_me:3007: result: $enable_stripping" >&5
+echo "${ECHO_T}$enable_stripping" >&6
+
+if test "$enable_stripping" = yes
+then
+	INSTALL_OPT_S="-s"
+else
+	INSTALL_OPT_S=
+fi
+
+: "${INSTALL:=install}"
+echo "$as_me:3018: checking if install accepts -p option" >&5
+echo $ECHO_N "checking if install accepts -p option... $ECHO_C" >&6
+if test "${cf_cv_install_p+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+	rm -rf ./conftest*
+	date >conftest.in
+	mkdir conftest.out
+	sleep 3
+	if $INSTALL -p conftest.in conftest.out 2>/dev/null
+	then
+		if test -f conftest.out/conftest.in
+		then
+			test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
+			test conftest.out/conftest.in -nt conftest.in 2>conftest.err
+			if test -s conftest.err
+			then
+				cf_cv_install_p=no
+			else
+				cf_cv_install_p=yes
+			fi
+		else
+			cf_cv_install_p=no
+		fi
+	else
+		cf_cv_install_p=no
+	fi
+	rm -rf ./conftest*
+
+fi
+echo "$as_me:3049: result: $cf_cv_install_p" >&5
+echo "${ECHO_T}$cf_cv_install_p" >&6
+
+echo "$as_me:3052: checking if install needs to be told about ownership" >&5
+echo $ECHO_N "checking if install needs to be told about ownership... $ECHO_C" >&6
+case `$ac_config_guess` in
+(*minix)
+	with_install_o=yes
+	;;
+(*)
+	with_install_o=no
+	;;
+esac
+
+echo "$as_me:3063: result: $with_install_o" >&5
+echo "${ECHO_T}$with_install_o" >&6
+if test "x$with_install_o" = xyes
+then
+	INSTALL_OPT_O="`id root|sed -e 's/uid=[0-9]*(/ -o /' -e 's/gid=[0-9]*(/ -g /' -e 's/ [^=[:space:]][^=[:space:]]*=.*/ /' -e 's/)//g'`"
+else
+	INSTALL_OPT_O=
+fi
+
+echo "$as_me:3072: checking for long file names" >&5
+echo $ECHO_N "checking for long file names... $ECHO_C" >&6
+if test "${ac_cv_sys_long_file_names+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_sys_long_file_names=yes
+# Test for long file names in all the places we know might matter:
+#      .		the current directory, where building will happen
+#      $prefix/lib	where we will be installing things
+#      $exec_prefix/lib	likewise
+# eval it to expand exec_prefix.
+#      $TMPDIR		if set, where it might want to write temporary files
+# if $TMPDIR is not set:
+#      /tmp		where it might want to write temporary files
+#      /var/tmp		likewise
+#      /usr/tmp		likewise
+if test -n "$TMPDIR" && test -d "$TMPDIR" && test -w "$TMPDIR"; then
+  ac_tmpdirs=$TMPDIR
+else
+  ac_tmpdirs='/tmp /var/tmp /usr/tmp'
+fi
+for ac_dir in  . $ac_tmpdirs `eval echo "$prefix/lib" "$exec_prefix/lib"` ; do
+  test -d "$ac_dir" || continue
+  test -w "$ac_dir" || continue # It is less confusing to not echo anything here.
+  ac_xdir=$ac_dir/cf$$
+  (umask 077 && mkdir "$ac_xdir" 2>/dev/null) || continue
+  ac_tf1=$ac_xdir/conftest9012345
+  ac_tf2=$ac_xdir/conftest9012346
+  (echo 1 >"$ac_tf1") 2>/dev/null
+  (echo 2 >"$ac_tf2") 2>/dev/null
+  ac_val=`cat "$ac_tf1" 2>/dev/null`
+  if test ! -f "$ac_tf1" || test "$ac_val" != 1; then
+    ac_cv_sys_long_file_names=no
+    rm -rf "$ac_xdir" 2>/dev/null
+    break
+  fi
+  rm -rf "$ac_xdir" 2>/dev/null
+done
 fi
-echo "$as_me:2426: result: $ac_cv_sys_long_file_names" >&5
+echo "$as_me:3111: result: $ac_cv_sys_long_file_names" >&5
 echo "${ECHO_T}$ac_cv_sys_long_file_names" >&6
-if test $ac_cv_sys_long_file_names = yes; then
+if test "$ac_cv_sys_long_file_names" = yes; then
 
 cat >>confdefs.h <<\EOF
 #define HAVE_LONG_FILE_NAMES 1
@@ -2435,7 +3120,7 @@ fi
 
 # if we find pkg-config, check if we should install the ".pc" files.
 
-echo "$as_me:2438: checking if you want to use pkg-config" >&5
+echo "$as_me:3123: checking if you want to use pkg-config" >&5
 echo $ECHO_N "checking if you want to use pkg-config... $ECHO_C" >&6
 
 # Check whether --with-pkg-config or --without-pkg-config was given.
@@ -2445,10 +3130,10 @@ if test "${with_pkg_config+set}" = set; then
 else
   cf_pkg_config=yes
 fi;
-echo "$as_me:2448: result: $cf_pkg_config" >&5
+echo "$as_me:3133: result: $cf_pkg_config" >&5
 echo "${ECHO_T}$cf_pkg_config" >&6
 
-case $cf_pkg_config in
+case "$cf_pkg_config" in
 (no)
 	PKG_CONFIG=none
 	;;
@@ -2457,7 +3142,7 @@ case $cf_pkg_config in
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
 set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
-echo "$as_me:2460: checking for $ac_word" >&5
+echo "$as_me:3145: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_PKG_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2474,7 +3159,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_PKG_CONFIG="$ac_dir/$ac_word"
-   echo "$as_me:2477: found $ac_dir/$ac_word" >&5
+   echo "$as_me:3162: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -2485,10 +3170,10 @@ fi
 PKG_CONFIG=$ac_cv_path_PKG_CONFIG
 
 if test -n "$PKG_CONFIG"; then
-  echo "$as_me:2488: result: $PKG_CONFIG" >&5
+  echo "$as_me:3173: result: $PKG_CONFIG" >&5
 echo "${ECHO_T}$PKG_CONFIG" >&6
 else
-  echo "$as_me:2491: result: no" >&5
+  echo "$as_me:3176: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2497,7 +3182,7 @@ if test -z "$ac_cv_path_PKG_CONFIG"; then
   ac_pt_PKG_CONFIG=$PKG_CONFIG
   # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
-echo "$as_me:2500: checking for $ac_word" >&5
+echo "$as_me:3185: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2514,7 +3199,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_ac_pt_PKG_CONFIG="$ac_dir/$ac_word"
-   echo "$as_me:2517: found $ac_dir/$ac_word" >&5
+   echo "$as_me:3202: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -2526,10 +3211,10 @@ fi
 ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
 
 if test -n "$ac_pt_PKG_CONFIG"; then
-  echo "$as_me:2529: result: $ac_pt_PKG_CONFIG" >&5
+  echo "$as_me:3214: result: $ac_pt_PKG_CONFIG" >&5
 echo "${ECHO_T}$ac_pt_PKG_CONFIG" >&6
 else
-  echo "$as_me:2532: result: no" >&5
+  echo "$as_me:3217: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2560,36 +3245,36 @@ case ".$PKG_CONFIG" in
 	;;
 (.[a-zA-Z]:[\\/]*) # OS/2 EMX
 	;;
-(.\${*prefix}*|.\${*dir}*)
+(.\$\{*prefix\}*|.\$\{*dir\}*)
 	eval PKG_CONFIG="$PKG_CONFIG"
 	case ".$PKG_CONFIG" in
 	(.NONE/*)
-		PKG_CONFIG=`echo $PKG_CONFIG | sed -e s%NONE%$cf_path_syntax%`
+		PKG_CONFIG=`echo "$PKG_CONFIG" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	PKG_CONFIG=`echo $PKG_CONFIG | sed -e s%NONE%$cf_path_syntax%`
+	PKG_CONFIG=`echo "$PKG_CONFIG" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
-	{ { echo "$as_me:2575: error: expected a pathname, not \"$PKG_CONFIG\"" >&5
+	{ { echo "$as_me:3260: error: expected a pathname, not \"$PKG_CONFIG\"" >&5
 echo "$as_me: error: expected a pathname, not \"$PKG_CONFIG\"" >&2;}
    { (exit 1); exit 1; }; }
 	;;
 esac
 
 elif test "x$cf_pkg_config" != xno ; then
-	{ echo "$as_me:2582: WARNING: pkg-config is not installed" >&5
+	{ echo "$as_me:3267: WARNING: pkg-config is not installed" >&5
 echo "$as_me: WARNING: pkg-config is not installed" >&2;}
 fi
 
-case $PKG_CONFIG in
+case "$PKG_CONFIG" in
 (no|none|yes)
-	echo "$as_me:2588: checking for pkg-config library directory" >&5
+	echo "$as_me:3273: checking for pkg-config library directory" >&5
 echo $ECHO_N "checking for pkg-config library directory... $ECHO_C" >&6
 	;;
 (*)
-	echo "$as_me:2592: checking for $PKG_CONFIG library directory" >&5
+	echo "$as_me:3277: checking for $PKG_CONFIG library directory" >&5
 echo $ECHO_N "checking for $PKG_CONFIG library directory... $ECHO_C" >&6
 	;;
 esac
@@ -2644,18 +3329,18 @@ case x$PKG_CONFIG_LIBDIR in
 
 	test -n "$verbose" && echo "	list..." 1>&6
 
-echo "${as_me:-configure}:2647: testing list... ..." 1>&5
+echo "${as_me:-configure}:3332: testing list... ..." 1>&5
 
 	for cf_config in $cf_search_path
 	do
 		test -n "$verbose" && echo "	checking $cf_config/pkgconfig" 1>&6
 
-echo "${as_me:-configure}:2653: testing checking $cf_config/pkgconfig ..." 1>&5
+echo "${as_me:-configure}:3338: testing checking $cf_config/pkgconfig ..." 1>&5
 
-		if test -d $cf_config/pkgconfig
+		if test -d "$cf_config/pkgconfig"
 		then
 			PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
-			echo "$as_me:2658: checking done" >&5
+			echo "$as_me:3343: checking done" >&5
 echo $ECHO_N "checking done... $ECHO_C" >&6
 			break
 		fi
@@ -2666,11 +3351,11 @@ echo $ECHO_N "checking done... $ECHO_C" >&6
 esac
 
 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
-	echo "$as_me:2669: result: $PKG_CONFIG_LIBDIR" >&5
+	echo "$as_me:3354: result: $PKG_CONFIG_LIBDIR" >&5
 echo "${ECHO_T}$PKG_CONFIG_LIBDIR" >&6
 fi
 
-echo "$as_me:2673: checking if you want to build test-programs" >&5
+echo "$as_me:3358: checking if you want to build test-programs" >&5
 echo $ECHO_N "checking if you want to build test-programs... $ECHO_C" >&6
 
 # Check whether --with-tests or --without-tests was given.
@@ -2680,10 +3365,10 @@ if test "${with_tests+set}" = set; then
 else
   cf_with_tests=yes
 fi;
-echo "$as_me:2683: result: $cf_with_tests" >&5
+echo "$as_me:3368: result: $cf_with_tests" >&5
 echo "${ECHO_T}$cf_with_tests" >&6
 
-echo "$as_me:2686: checking if we should assume mixed-case filenames" >&5
+echo "$as_me:3371: checking if we should assume mixed-case filenames" >&5
 echo $ECHO_N "checking if we should assume mixed-case filenames... $ECHO_C" >&6
 
 # Check whether --enable-mixed-case or --disable-mixed-case was given.
@@ -2693,19 +3378,19 @@ if test "${enable_mixed_case+set}" = set; then
 else
   enable_mixedcase=auto
 fi;
-echo "$as_me:2696: result: $enable_mixedcase" >&5
+echo "$as_me:3381: result: $enable_mixedcase" >&5
 echo "${ECHO_T}$enable_mixedcase" >&6
 if test "$enable_mixedcase" = "auto" ; then
 
-echo "$as_me:2700: checking if filesystem supports mixed-case filenames" >&5
+echo "$as_me:3385: checking if filesystem supports mixed-case filenames" >&5
 echo $ECHO_N "checking if filesystem supports mixed-case filenames... $ECHO_C" >&6
 if test "${cf_cv_mixedcase+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 if test "$cross_compiling" = yes ; then
-	case $target_alias in
-	(*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
+	case "$target_alias" in
+	(*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
 		cf_cv_mixedcase=no
 		;;
 	(*)
@@ -2724,7 +3409,7 @@ else
 fi
 
 fi
-echo "$as_me:2727: result: $cf_cv_mixedcase" >&5
+echo "$as_me:3412: result: $cf_cv_mixedcase" >&5
 echo "${ECHO_T}$cf_cv_mixedcase" >&6
 test "$cf_cv_mixedcase" = yes &&
 cat >>confdefs.h <<\EOF
@@ -2742,7 +3427,7 @@ EOF
 fi
 
 # do this after mixed-case option (tags/TAGS is not as important as tic).
-echo "$as_me:2745: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "$as_me:3430: checking whether ${MAKE-make} sets \${MAKE}" >&5
 echo $ECHO_N "checking whether ${MAKE-make} sets \${MAKE}... $ECHO_C" >&6
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,./+-,__p_,'`
 if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then
@@ -2762,20 +3447,82 @@ fi
 rm -f conftest.make
 fi
 if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
-  echo "$as_me:2765: result: yes" >&5
+  echo "$as_me:3450: result: yes" >&5
 echo "${ECHO_T}yes" >&6
   SET_MAKE=
 else
-  echo "$as_me:2769: result: no" >&5
+  echo "$as_me:3454: result: no" >&5
 echo "${ECHO_T}no" >&6
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
+echo "$as_me:3459: checking for \".PHONY\" make-support" >&5
+echo $ECHO_N "checking for \".PHONY\" make-support... $ECHO_C" >&6
+if test "${cf_cv_make_PHONY+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+	rm -rf conftest*
+	(
+		mkdir conftest || exit 1
+		cd conftest
+		cat >makefile <<'CF_EOF'
+.PHONY: always
+DATA=0
+always:	always.out
+	@echo "** making $@ $(DATA)"
+once: once.out
+	@echo "** making $@ $(DATA)"
+always.out:
+	@echo "** making $@ $(DATA)"
+	echo $(DATA) > $@
+once.out:
+	@echo "** making $@ $(DATA)"
+	echo $(DATA) > $@
+CF_EOF
+		for cf_data in 1 2 3
+		do
+			${MAKE:-make} always DATA=$cf_data
+			${MAKE:-make} once   DATA=$cf_data
+			${MAKE:-make} -t always once
+			if test -f always ; then
+				echo "no (case 1)" > ../conftest.tmp
+			elif test ! -f always.out ; then
+				echo "no (case 2)" > ../conftest.tmp
+			elif test ! -f once.out ; then
+				echo "no (case 3)" > ../conftest.tmp
+			elif ! cmp -s always.out once.out ; then
+				echo "no (case 4)" > ../conftest.tmp
+				diff always.out once.out
+			else
+				cf_check="`cat always.out`"
+				if test "x$cf_check" != "x$cf_data" ; then
+					echo "no (case 5)" > ../conftest.tmp
+				else
+					echo yes > ../conftest.tmp
+					rm -f ./*.out
+					continue
+				fi
+			fi
+			break
+		done
+	) >&5 2>&1
+	cf_cv_make_PHONY="`cat conftest.tmp`"
+	rm -rf conftest*
+
+fi
+echo "$as_me:3514: result: $cf_cv_make_PHONY" >&5
+echo "${ECHO_T}$cf_cv_make_PHONY" >&6
+MAKE_NO_PHONY="#"
+MAKE_PHONY="#"
+test "x$cf_cv_make_PHONY" = xyes && MAKE_PHONY=
+test "x$cf_cv_make_PHONY" != xyes && MAKE_NO_PHONY=
+
 for ac_prog in exctags ctags
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2778: checking for $ac_word" >&5
+echo "$as_me:3525: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_CTAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2790,7 +3537,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_CTAGS="$ac_prog"
-echo "$as_me:2793: found $ac_dir/$ac_word" >&5
+echo "$as_me:3540: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2798,10 +3545,10 @@ fi
 fi
 CTAGS=$ac_cv_prog_CTAGS
 if test -n "$CTAGS"; then
-  echo "$as_me:2801: result: $CTAGS" >&5
+  echo "$as_me:3548: result: $CTAGS" >&5
 echo "${ECHO_T}$CTAGS" >&6
 else
-  echo "$as_me:2804: result: no" >&5
+  echo "$as_me:3551: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2812,7 +3559,7 @@ for ac_prog in exetags etags
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:2815: checking for $ac_word" >&5
+echo "$as_me:3562: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ETAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2827,7 +3574,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ETAGS="$ac_prog"
-echo "$as_me:2830: found $ac_dir/$ac_word" >&5
+echo "$as_me:3577: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2835,10 +3582,10 @@ fi
 fi
 ETAGS=$ac_cv_prog_ETAGS
 if test -n "$ETAGS"; then
-  echo "$as_me:2838: result: $ETAGS" >&5
+  echo "$as_me:3585: result: $ETAGS" >&5
 echo "${ECHO_T}$ETAGS" >&6
 else
-  echo "$as_me:2841: result: no" >&5
+  echo "$as_me:3588: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2847,7 +3594,7 @@ done
 
 # Extract the first word of "${CTAGS:-ctags}", so it can be a program name with args.
 set dummy ${CTAGS:-ctags}; ac_word=$2
-echo "$as_me:2850: checking for $ac_word" >&5
+echo "$as_me:3597: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_MAKE_LOWER_TAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2862,7 +3609,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_MAKE_LOWER_TAGS="yes"
-echo "$as_me:2865: found $ac_dir/$ac_word" >&5
+echo "$as_me:3612: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2871,17 +3618,17 @@ fi
 fi
 MAKE_LOWER_TAGS=$ac_cv_prog_MAKE_LOWER_TAGS
 if test -n "$MAKE_LOWER_TAGS"; then
-  echo "$as_me:2874: result: $MAKE_LOWER_TAGS" >&5
+  echo "$as_me:3621: result: $MAKE_LOWER_TAGS" >&5
 echo "${ECHO_T}$MAKE_LOWER_TAGS" >&6
 else
-  echo "$as_me:2877: result: no" >&5
+  echo "$as_me:3624: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
 if test "$cf_cv_mixedcase" = yes ; then
 	# Extract the first word of "${ETAGS:-etags}", so it can be a program name with args.
 set dummy ${ETAGS:-etags}; ac_word=$2
-echo "$as_me:2884: checking for $ac_word" >&5
+echo "$as_me:3631: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_MAKE_UPPER_TAGS+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2896,7 +3643,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_MAKE_UPPER_TAGS="yes"
-echo "$as_me:2899: found $ac_dir/$ac_word" >&5
+echo "$as_me:3646: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2905,10 +3652,10 @@ fi
 fi
 MAKE_UPPER_TAGS=$ac_cv_prog_MAKE_UPPER_TAGS
 if test -n "$MAKE_UPPER_TAGS"; then
-  echo "$as_me:2908: result: $MAKE_UPPER_TAGS" >&5
+  echo "$as_me:3655: result: $MAKE_UPPER_TAGS" >&5
 echo "${ECHO_T}$MAKE_UPPER_TAGS" >&6
 else
-  echo "$as_me:2911: result: no" >&5
+  echo "$as_me:3658: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -2928,7 +3675,7 @@ else
 	MAKE_LOWER_TAGS="#"
 fi
 
-echo "$as_me:2931: checking for makeflags variable" >&5
+echo "$as_me:3678: checking for makeflags variable" >&5
 echo $ECHO_N "checking for makeflags variable... $ECHO_C" >&6
 if test "${cf_cv_makeflags+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2942,10 +3689,10 @@ SHELL = $SHELL
 all :
 	@ echo '.$cf_option'
 CF_EOF
-		cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[ 	]*$,,'`
+		cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | ${FGREP-fgrep} -v "ing directory" | sed -e 's,[ 	]*$,,'`
 		case "$cf_result" in
 		(.*k|.*kw)
-			cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
+			cf_result="`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`"
 			case "$cf_result" in
 			(.*CC=*)	cf_cv_makeflags=
 				;;
@@ -2954,21 +3701,25 @@ CF_EOF
 			esac
 			break
 			;;
-		(.-)	;;
-		(*)	echo "given option \"$cf_option\", no match \"$cf_result\""
+		(.-)
+			;;
+		(*)
+
+echo "${as_me:-configure}:3708: testing given option \"$cf_option\",no match \"$cf_result\" ..." 1>&5
+
 			;;
 		esac
 	done
 	rm -f cf_makeflags.tmp
 
 fi
-echo "$as_me:2965: result: $cf_cv_makeflags" >&5
+echo "$as_me:3716: result: $cf_cv_makeflags" >&5
 echo "${ECHO_T}$cf_cv_makeflags" >&6
 
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-echo "$as_me:2971: checking for $ac_word" >&5
+echo "$as_me:3722: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_RANLIB+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -2983,7 +3734,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-echo "$as_me:2986: found $ac_dir/$ac_word" >&5
+echo "$as_me:3737: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -2991,10 +3742,10 @@ fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  echo "$as_me:2994: result: $RANLIB" >&5
+  echo "$as_me:3745: result: $RANLIB" >&5
 echo "${ECHO_T}$RANLIB" >&6
 else
-  echo "$as_me:2997: result: no" >&5
+  echo "$as_me:3748: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3003,7 +3754,7 @@ if test -z "$ac_cv_prog_RANLIB"; then
   ac_ct_RANLIB=$RANLIB
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
-echo "$as_me:3006: checking for $ac_word" >&5
+echo "$as_me:3757: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3018,7 +3769,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_RANLIB="ranlib"
-echo "$as_me:3021: found $ac_dir/$ac_word" >&5
+echo "$as_me:3772: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3027,10 +3778,10 @@ fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  echo "$as_me:3030: result: $ac_ct_RANLIB" >&5
+  echo "$as_me:3781: result: $ac_ct_RANLIB" >&5
 echo "${ECHO_T}$ac_ct_RANLIB" >&6
 else
-  echo "$as_me:3033: result: no" >&5
+  echo "$as_me:3784: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3042,7 +3793,7 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ld; ac_word=$2
-echo "$as_me:3045: checking for $ac_word" >&5
+echo "$as_me:3796: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_LD+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3057,7 +3808,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_LD="${ac_tool_prefix}ld"
-echo "$as_me:3060: found $ac_dir/$ac_word" >&5
+echo "$as_me:3811: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3065,10 +3816,10 @@ fi
 fi
 LD=$ac_cv_prog_LD
 if test -n "$LD"; then
-  echo "$as_me:3068: result: $LD" >&5
+  echo "$as_me:3819: result: $LD" >&5
 echo "${ECHO_T}$LD" >&6
 else
-  echo "$as_me:3071: result: no" >&5
+  echo "$as_me:3822: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3077,7 +3828,7 @@ if test -z "$ac_cv_prog_LD"; then
   ac_ct_LD=$LD
   # Extract the first word of "ld", so it can be a program name with args.
 set dummy ld; ac_word=$2
-echo "$as_me:3080: checking for $ac_word" >&5
+echo "$as_me:3831: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_LD+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3092,7 +3843,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_LD="ld"
-echo "$as_me:3095: found $ac_dir/$ac_word" >&5
+echo "$as_me:3846: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3101,10 +3852,10 @@ fi
 fi
 ac_ct_LD=$ac_cv_prog_ac_ct_LD
 if test -n "$ac_ct_LD"; then
-  echo "$as_me:3104: result: $ac_ct_LD" >&5
+  echo "$as_me:3855: result: $ac_ct_LD" >&5
 echo "${ECHO_T}$ac_ct_LD" >&6
 else
-  echo "$as_me:3107: result: no" >&5
+  echo "$as_me:3858: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3116,7 +3867,7 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
-echo "$as_me:3119: checking for $ac_word" >&5
+echo "$as_me:3870: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_AR+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3131,7 +3882,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_AR="${ac_tool_prefix}ar"
-echo "$as_me:3134: found $ac_dir/$ac_word" >&5
+echo "$as_me:3885: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3139,10 +3890,10 @@ fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
-  echo "$as_me:3142: result: $AR" >&5
+  echo "$as_me:3893: result: $AR" >&5
 echo "${ECHO_T}$AR" >&6
 else
-  echo "$as_me:3145: result: no" >&5
+  echo "$as_me:3896: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3151,7 +3902,7 @@ if test -z "$ac_cv_prog_AR"; then
   ac_ct_AR=$AR
   # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
-echo "$as_me:3154: checking for $ac_word" >&5
+echo "$as_me:3905: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_AR+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3166,7 +3917,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_AR="ar"
-echo "$as_me:3169: found $ac_dir/$ac_word" >&5
+echo "$as_me:3920: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3175,10 +3926,10 @@ fi
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
-  echo "$as_me:3178: result: $ac_ct_AR" >&5
+  echo "$as_me:3929: result: $ac_ct_AR" >&5
 echo "${ECHO_T}$ac_ct_AR" >&6
 else
-  echo "$as_me:3181: result: no" >&5
+  echo "$as_me:3932: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3190,7 +3941,7 @@ fi
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
-echo "$as_me:3193: checking for $ac_word" >&5
+echo "$as_me:3944: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_AR+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3205,7 +3956,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_AR="${ac_tool_prefix}ar"
-echo "$as_me:3208: found $ac_dir/$ac_word" >&5
+echo "$as_me:3959: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3213,10 +3964,10 @@ fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
-  echo "$as_me:3216: result: $AR" >&5
+  echo "$as_me:3967: result: $AR" >&5
 echo "${ECHO_T}$AR" >&6
 else
-  echo "$as_me:3219: result: no" >&5
+  echo "$as_me:3970: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3225,7 +3976,7 @@ if test -z "$ac_cv_prog_AR"; then
   ac_ct_AR=$AR
   # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
-echo "$as_me:3228: checking for $ac_word" >&5
+echo "$as_me:3979: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_AR+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3240,7 +3991,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_AR="ar"
-echo "$as_me:3243: found $ac_dir/$ac_word" >&5
+echo "$as_me:3994: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3249,10 +4000,10 @@ fi
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
-  echo "$as_me:3252: result: $ac_ct_AR" >&5
+  echo "$as_me:4003: result: $ac_ct_AR" >&5
 echo "${ECHO_T}$ac_ct_AR" >&6
 else
-  echo "$as_me:3255: result: no" >&5
+  echo "$as_me:4006: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3261,55 +4012,71 @@ else
   AR="$ac_cv_prog_AR"
 fi
 
-echo "$as_me:3264: checking for options to update archives" >&5
+echo "$as_me:4015: checking for options to update archives" >&5
 echo $ECHO_N "checking for options to update archives... $ECHO_C" >&6
 if test "${cf_cv_ar_flags+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	cf_cv_ar_flags=unknown
-	for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
-	do
+	case "$cf_cv_system_name" in
+	(*-msvc*)
+		cf_cv_ar_flags=''
+		cat >mk_static_lib.sh <<-EOF
+		#!$SHELL
+		MSVC_BIN="$AR"
+		out="\$1"
+		shift
+		exec \$MSVC_BIN -out:"\$out" \$@
+		EOF
+		chmod +x mk_static_lib.sh
+		AR=`pwd`/mk_static_lib.sh
+		;;
+	(*)
+		cf_cv_ar_flags=unknown
+		for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
+		do
 
-		# check if $ARFLAGS already contains this choice
-		if test "x$ARFLAGS" != "x" ; then
-			cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
-			if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
-				cf_cv_ar_flags=
-				break
+			# check if $ARFLAGS already contains this choice
+			if test "x$ARFLAGS" != "x" ; then
+				cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
+				if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
+					cf_cv_ar_flags=
+					break
+				fi
 			fi
-		fi
 
-		rm -f conftest.$ac_cv_objext
-		rm -f conftest.a
+			rm -f "conftest.$ac_cv_objext"
+			rm -f conftest.a
 
-		cat >conftest.$ac_ext <<EOF
-#line 3287 "configure"
+			cat >"conftest.$ac_ext" <<EOF
+#line 4052 "configure"
 int	testdata[3] = { 123, 456, 789 };
 EOF
-		if { (eval echo "$as_me:3290: \"$ac_compile\"") >&5
+			if { (eval echo "$as_me:4055: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3293: \$? = $ac_status" >&5
-  (exit $ac_status); } ; then
-			echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&5
-			$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&5 1>/dev/null
-			if test -f conftest.a ; then
-				cf_cv_ar_flags=$cf_ar_flags
-				break
-			fi
-		else
-			test -n "$verbose" && echo "	cannot compile test-program" 1>&6
+  echo "$as_me:4058: \$? = $ac_status" >&5
+  (exit "$ac_status"); } ; then
+				echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&5
+				$AR $ARFLAGS "$cf_ar_flags" conftest.a "conftest.$ac_cv_objext" 2>&5 1>/dev/null
+				if test -f conftest.a ; then
+					cf_cv_ar_flags="$cf_ar_flags"
+					break
+				fi
+			else
+				test -n "$verbose" && echo "	cannot compile test-program" 1>&6
 
-echo "${as_me:-configure}:3304: testing cannot compile test-program ..." 1>&5
+echo "${as_me:-configure}:4069: testing cannot compile test-program ..." 1>&5
 
-			break
-		fi
-	done
-	rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
+				break
+			fi
+		done
+		rm -f conftest.a "conftest.$ac_ext" "conftest.$ac_cv_objext"
+		;;
+	esac
 
 fi
-echo "$as_me:3312: result: $cf_cv_ar_flags" >&5
+echo "$as_me:4079: result: $cf_cv_ar_flags" >&5
 echo "${ECHO_T}$cf_cv_ar_flags" >&6
 
 if test -n "$ARFLAGS" ; then
@@ -3320,17 +4087,17 @@ else
 	ARFLAGS=$cf_cv_ar_flags
 fi
 
-	echo "$as_me:3323: checking for PATH separator" >&5
+	echo "$as_me:4090: checking for PATH separator" >&5
 echo $ECHO_N "checking for PATH separator... $ECHO_C" >&6
-	case $cf_cv_system_name in
+	case "$cf_cv_system_name" in
 	(os2*)	PATH_SEPARATOR=';'  ;;
 	(*)	${PATH_SEPARATOR:=':'}  ;;
 	esac
 
-	echo "$as_me:3330: result: $PATH_SEPARATOR" >&5
+	echo "$as_me:4097: result: $PATH_SEPARATOR" >&5
 echo "${ECHO_T}$PATH_SEPARATOR" >&6
 
-echo "$as_me:3333: checking if you have specified an install-prefix" >&5
+echo "$as_me:4100: checking if you have specified an install-prefix" >&5
 echo $ECHO_N "checking if you have specified an install-prefix... $ECHO_C" >&6
 
 # Check whether --with-install-prefix or --without-install-prefix was given.
@@ -3343,7 +4110,7 @@ if test "${with_install_prefix+set}" = set; then
 		;;
 	esac
 fi;
-echo "$as_me:3346: result: $DESTDIR" >&5
+echo "$as_me:4113: result: $DESTDIR" >&5
 echo "${ECHO_T}$DESTDIR" >&6
 
 ###############################################################################
@@ -3367,11 +4134,11 @@ if test "${with_build_cc+set}" = set; then
   withval="$with_build_cc"
   BUILD_CC="$withval"
 else
-  for ac_prog in gcc cc cl
+  for ac_prog in gcc clang c99 c89 cc cl
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:3374: checking for $ac_word" >&5
+echo "$as_me:4141: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_BUILD_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3386,7 +4153,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_BUILD_CC="$ac_prog"
-echo "$as_me:3389: found $ac_dir/$ac_word" >&5
+echo "$as_me:4156: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3394,23 +4161,24 @@ fi
 fi
 BUILD_CC=$ac_cv_prog_BUILD_CC
 if test -n "$BUILD_CC"; then
-  echo "$as_me:3397: result: $BUILD_CC" >&5
+  echo "$as_me:4164: result: $BUILD_CC" >&5
 echo "${ECHO_T}$BUILD_CC" >&6
 else
-  echo "$as_me:3400: result: no" >&5
+  echo "$as_me:4167: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
   test -n "$BUILD_CC" && break
 done
+test -n "$BUILD_CC" || BUILD_CC="none"
 
 fi;
-	echo "$as_me:3408: checking for native build C compiler" >&5
+	echo "$as_me:4176: checking for native build C compiler" >&5
 echo $ECHO_N "checking for native build C compiler... $ECHO_C" >&6
-	echo "$as_me:3410: result: $BUILD_CC" >&5
+	echo "$as_me:4178: result: $BUILD_CC" >&5
 echo "${ECHO_T}$BUILD_CC" >&6
 
-	echo "$as_me:3413: checking for native build C preprocessor" >&5
+	echo "$as_me:4181: checking for native build C preprocessor" >&5
 echo $ECHO_N "checking for native build C preprocessor... $ECHO_C" >&6
 
 # Check whether --with-build-cpp or --without-build-cpp was given.
@@ -3420,10 +4188,10 @@ if test "${with_build_cpp+set}" = set; then
 else
   BUILD_CPP='${BUILD_CC} -E'
 fi;
-	echo "$as_me:3423: result: $BUILD_CPP" >&5
+	echo "$as_me:4191: result: $BUILD_CPP" >&5
 echo "${ECHO_T}$BUILD_CPP" >&6
 
-	echo "$as_me:3426: checking for native build C flags" >&5
+	echo "$as_me:4194: checking for native build C flags" >&5
 echo $ECHO_N "checking for native build C flags... $ECHO_C" >&6
 
 # Check whether --with-build-cflags or --without-build-cflags was given.
@@ -3431,10 +4199,10 @@ if test "${with_build_cflags+set}" = set; then
   withval="$with_build_cflags"
   BUILD_CFLAGS="$withval"
 fi;
-	echo "$as_me:3434: result: $BUILD_CFLAGS" >&5
+	echo "$as_me:4202: result: $BUILD_CFLAGS" >&5
 echo "${ECHO_T}$BUILD_CFLAGS" >&6
 
-	echo "$as_me:3437: checking for native build C preprocessor-flags" >&5
+	echo "$as_me:4205: checking for native build C preprocessor-flags" >&5
 echo $ECHO_N "checking for native build C preprocessor-flags... $ECHO_C" >&6
 
 # Check whether --with-build-cppflags or --without-build-cppflags was given.
@@ -3442,10 +4210,10 @@ if test "${with_build_cppflags+set}" = set; then
   withval="$with_build_cppflags"
   BUILD_CPPFLAGS="$withval"
 fi;
-	echo "$as_me:3445: result: $BUILD_CPPFLAGS" >&5
+	echo "$as_me:4213: result: $BUILD_CPPFLAGS" >&5
 echo "${ECHO_T}$BUILD_CPPFLAGS" >&6
 
-	echo "$as_me:3448: checking for native build linker-flags" >&5
+	echo "$as_me:4216: checking for native build linker-flags" >&5
 echo $ECHO_N "checking for native build linker-flags... $ECHO_C" >&6
 
 # Check whether --with-build-ldflags or --without-build-ldflags was given.
@@ -3453,10 +4221,10 @@ if test "${with_build_ldflags+set}" = set; then
   withval="$with_build_ldflags"
   BUILD_LDFLAGS="$withval"
 fi;
-	echo "$as_me:3456: result: $BUILD_LDFLAGS" >&5
+	echo "$as_me:4224: result: $BUILD_LDFLAGS" >&5
 echo "${ECHO_T}$BUILD_LDFLAGS" >&6
 
-	echo "$as_me:3459: checking for native build linker-libraries" >&5
+	echo "$as_me:4227: checking for native build linker-libraries" >&5
 echo $ECHO_N "checking for native build linker-libraries... $ECHO_C" >&6
 
 # Check whether --with-build-libs or --without-build-libs was given.
@@ -3464,7 +4232,7 @@ if test "${with_build_libs+set}" = set; then
   withval="$with_build_libs"
   BUILD_LIBS="$withval"
 fi;
-	echo "$as_me:3467: result: $BUILD_LIBS" >&5
+	echo "$as_me:4235: result: $BUILD_LIBS" >&5
 echo "${ECHO_T}$BUILD_LIBS" >&6
 
 	# this assumes we're on Unix.
@@ -3473,8 +4241,8 @@ echo "${ECHO_T}$BUILD_LIBS" >&6
 
 	: ${BUILD_CC:='${CC}'}
 
-	if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
-		{ { echo "$as_me:3477: error: Cross-build requires two compilers.
+	if { test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}'; } ; then
+		{ { echo "$as_me:4245: error: Cross-build requires two compilers.
 Use --with-build-cc to specify the native compiler." >&5
 echo "$as_me: error: Cross-build requires two compilers.
 Use --with-build-cc to specify the native compiler." >&2;}
@@ -3499,7 +4267,7 @@ fi
 ### shared, for example.
 cf_list_models=""
 
-echo "$as_me:3502: checking if you want to build shared C-objects" >&5
+echo "$as_me:4270: checking if you want to build shared C-objects" >&5
 echo $ECHO_N "checking if you want to build shared C-objects... $ECHO_C" >&6
 
 # Check whether --with-shared or --without-shared was given.
@@ -3509,27 +4277,27 @@ if test "${with_shared+set}" = set; then
 else
   with_shared=no
 fi;
-echo "$as_me:3512: result: $with_shared" >&5
+echo "$as_me:4280: result: $with_shared" >&5
 echo "${ECHO_T}$with_shared" >&6
 test "$with_shared" = "yes" && cf_list_models="$cf_list_models shared"
 
-echo "$as_me:3516: checking for specified models" >&5
+echo "$as_me:4284: checking for specified models" >&5
 echo $ECHO_N "checking for specified models... $ECHO_C" >&6
 test -z "$cf_list_models" && cf_list_models=normal
-echo "$as_me:3519: result: $cf_list_models" >&5
+echo "$as_me:4287: result: $cf_list_models" >&5
 echo "${ECHO_T}$cf_list_models" >&6
 
 ### Use the first model as the default, and save its suffix for use in building
 ### up test-applications.
-echo "$as_me:3524: checking for default model" >&5
+echo "$as_me:4292: checking for default model" >&5
 echo $ECHO_N "checking for default model... $ECHO_C" >&6
 DFT_LWR_MODEL=`echo "$cf_list_models" | $AWK '{print $1}'`
-echo "$as_me:3527: result: $DFT_LWR_MODEL" >&5
+echo "$as_me:4295: result: $DFT_LWR_MODEL" >&5
 echo "${ECHO_T}$DFT_LWR_MODEL" >&6
 
 DFT_UPR_MODEL=`echo "$DFT_LWR_MODEL" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
 
-echo "$as_me:3532: checking for specific curses-directory" >&5
+echo "$as_me:4300: checking for specific curses-directory" >&5
 echo $ECHO_N "checking for specific curses-directory... $ECHO_C" >&6
 
 # Check whether --with-curses-dir or --without-curses-dir was given.
@@ -3539,10 +4307,10 @@ if test "${with_curses_dir+set}" = set; then
 else
   cf_cv_curses_dir=no
 fi;
-echo "$as_me:3542: result: $cf_cv_curses_dir" >&5
+echo "$as_me:4310: result: $cf_cv_curses_dir" >&5
 echo "${ECHO_T}$cf_cv_curses_dir" >&6
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 
 if test "x$prefix" != xNONE; then
@@ -3558,19 +4326,19 @@ case ".$withval" in
 	;;
 (.[a-zA-Z]:[\\/]*) # OS/2 EMX
 	;;
-(.\${*prefix}*|.\${*dir}*)
+(.\$\{*prefix\}*|.\$\{*dir\}*)
 	eval withval="$withval"
 	case ".$withval" in
 	(.NONE/*)
-		withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+		withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+	withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
-	{ { echo "$as_me:3573: error: expected a pathname, not \"$withval\"" >&5
+	{ { echo "$as_me:4341: error: expected a pathname, not \"$withval\"" >&5
 echo "$as_me: error: expected a pathname, not \"$withval\"" >&2;}
    { (exit 1); exit 1; }; }
 	;;
@@ -3582,9 +4350,9 @@ esac
 if test -n "$cf_cv_curses_dir/include" ; then
   for cf_add_incdir in $cf_cv_curses_dir/include
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -3601,38 +4369,41 @@ if test -n "$cf_cv_curses_dir/include" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 3606 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 4377 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3618: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4389: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3621: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3624: \"$ac_try\"") >&5
+  echo "$as_me:4392: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4395: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3627: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4398: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -3641,11 +4412,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:3644: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:4415: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -3661,9 +4432,9 @@ fi
 if test -n "$cf_cv_curses_dir/lib" ; then
 	for cf_add_libdir in $cf_cv_curses_dir/lib
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -3677,7 +4448,7 @@ if test -n "$cf_cv_curses_dir/lib" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:3680: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:4451: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -3692,134 +4463,567 @@ cf_ncuconfig_root=ncurses
 cf_have_ncuconfig=no
 
 if test "x${PKG_CONFIG:=none}" != xnone; then
-	echo "$as_me:3695: checking pkg-config for $cf_ncuconfig_root" >&5
+	echo "$as_me:4466: checking pkg-config for $cf_ncuconfig_root" >&5
 echo $ECHO_N "checking pkg-config for $cf_ncuconfig_root... $ECHO_C" >&6
 	if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
-		echo "$as_me:3698: result: yes" >&5
+		echo "$as_me:4469: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-		echo "$as_me:3701: checking if the $cf_ncuconfig_root package files work" >&5
+		echo "$as_me:4472: checking if the $cf_ncuconfig_root package files work" >&5
 echo $ECHO_N "checking if the $cf_ncuconfig_root package files work... $ECHO_C" >&6
 		cf_have_ncuconfig=unknown
 
+		cf_save_CFLAGS="$CFLAGS"
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
 
-		CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
+
+		# while -W for passing linker flags is prevalent, it is not "standard".
+		# At least one wrapper for c89/c99 (in Apple's xcode) has its own
+		# incompatible _and_ non-standard -W option which gives an error.  Work
+		# around that pitfall.
+		case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
+		(x*c[89]9@@*-W*)
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
 
-cf_add_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
+for cf_add_cflags in $cf_pkg_cflags
 do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 3727 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 4605 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:3739: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:4617: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:3742: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:3745: \"$ac_try\"") >&5
+  echo "$as_me:4620: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:4623: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3748: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:4626: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   if test "$cross_compiling" = yes; then
-  cf_have_ncuconfig=maybe
+  cf_test_ncuconfig=maybe
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 3754 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 4632 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
-				int main(void)
-				{ char *xx = curses_version(); return (xx == 0); }
+					int main(void)
+					{ const char *xx = curses_version(); return (xx == 0); }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:3761: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:4639: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:3764: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:3766: \"$ac_try\"") >&5
+  echo "$as_me:4642: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:4644: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3769: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  cf_have_ncuconfig=yes
+  echo "$as_me:4647: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_test_ncuconfig=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-cf_have_ncuconfig=no
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-cf_have_ncuconfig=no
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-		echo "$as_me:3786: result: $cf_have_ncuconfig" >&5
-echo "${ECHO_T}$cf_have_ncuconfig" >&6
-		test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
-		if test "$cf_have_ncuconfig" != "yes"
-		then
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+
+			CFLAGS="$cf_save_CFLAGS"
 			CPPFLAGS="$cf_save_CPPFLAGS"
 			LIBS="$cf_save_LIBS"
-			NCURSES_CONFIG_PKG=none
-		else
 
-cat >>confdefs.h <<\EOF
-#define NCURSES 1
-EOF
+			if test "x$cf_test_ncuconfig" != xyes; then
+				cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_cflags="$cf_temp"
+				cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_libs="$cf_temp"
+			fi
+			;;
+		esac
 
-			NCURSES_CONFIG_PKG=$cf_ncuconfig_root
-		fi
+for cf_add_cflags in $cf_pkg_cflags
+do
 
-	else
-		echo "$as_me:3804: result: no" >&5
-echo "${ECHO_T}no" >&6
-		NCURSES_CONFIG_PKG=none
-	fi
-else
-	NCURSES_CONFIG_PKG=none
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
+
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
 fi
 
-if test "x$cf_have_ncuconfig" = "xno"; then
-	echo "Looking for ${cf_ncuconfig_root}-config"
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
 
-if test -n "$ac_tool_prefix"; then
-  for ac_prog in ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
-  do
-    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
-set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:3820: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_NCURSES_CONFIG+set}" = set; then
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_pkg_cflags
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 4840 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+int
+main (void)
+{
+initscr(); mousemask(0,0); tigetstr((char *)0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:4852: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:4855: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:4858: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4861: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  if test "$cross_compiling" = yes; then
+  cf_have_ncuconfig=maybe
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 4867 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+				int main(void)
+				{ const char *xx = curses_version(); return (xx == 0); }
+_ACEOF
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:4874: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:4877: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:4879: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4882: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_have_ncuconfig=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_have_ncuconfig=no
+fi
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_have_ncuconfig=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:4899: result: $cf_have_ncuconfig" >&5
+echo "${ECHO_T}$cf_have_ncuconfig" >&6
+		test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
+		if test "$cf_have_ncuconfig" != "yes"
+		then
+			CPPFLAGS="$cf_save_CPPFLAGS"
+			LIBS="$cf_save_LIBS"
+			NCURSES_CONFIG_PKG=none
+		else
+
+cat >>confdefs.h <<\EOF
+#define NCURSES 1
+EOF
+
+			NCURSES_CONFIG_PKG=$cf_ncuconfig_root
+
+echo "$as_me:4915: checking for terminfo header" >&5
+echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
+if test "${cf_cv_term_header+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+case "${cf_cv_ncurses_header}" in
+(*/ncurses.h|*/ncursesw.h)
+	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
+	;;
+(*)
+	cf_term_header=term.h
+	;;
+esac
+
+for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
+do
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 4933 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+#include <${cf_cv_ncurses_header:-curses.h}>
+#include <$cf_test>
+
+int
+main (void)
+{
+int x = auto_left_margin; (void)x
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:4948: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:4951: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:4954: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:4957: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+
+	cf_cv_term_header="$cf_test"
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+
+	cf_cv_term_header=unknown
+
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+	test "$cf_cv_term_header" != unknown && break
+done
+
+fi
+echo "$as_me:4973: result: $cf_cv_term_header" >&5
+echo "${ECHO_T}$cf_cv_term_header" >&6
+
+# Set definitions to allow ifdef'ing to accommodate subdirectories
+
+case "$cf_cv_term_header" in
+(*term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_TERM_H 1
+EOF
+
+	;;
+esac
+
+case "$cf_cv_term_header" in
+(ncurses/term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_NCURSES_TERM_H 1
+EOF
+
+	;;
+(ncursesw/term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_NCURSESW_TERM_H 1
+EOF
+
+	;;
+esac
+
+		fi
+
+	else
+		echo "$as_me:5008: result: no" >&5
+echo "${ECHO_T}no" >&6
+		NCURSES_CONFIG_PKG=none
+	fi
+else
+	NCURSES_CONFIG_PKG=none
+fi
+
+if test "x$cf_have_ncuconfig" = "xno"; then
+	cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
+
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+echo "$as_me:5024: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   if test -n "$NCURSES_CONFIG"; then
@@ -3832,7 +5036,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_NCURSES_CONFIG="$ac_tool_prefix$ac_prog"
-echo "$as_me:3835: found $ac_dir/$ac_word" >&5
+echo "$as_me:5039: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3840,10 +5044,10 @@ fi
 fi
 NCURSES_CONFIG=$ac_cv_prog_NCURSES_CONFIG
 if test -n "$NCURSES_CONFIG"; then
-  echo "$as_me:3843: result: $NCURSES_CONFIG" >&5
+  echo "$as_me:5047: result: $NCURSES_CONFIG" >&5
 echo "${ECHO_T}$NCURSES_CONFIG" >&6
 else
-  echo "$as_me:3846: result: no" >&5
+  echo "$as_me:5050: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3852,11 +5056,11 @@ fi
 fi
 if test -z "$NCURSES_CONFIG"; then
   ac_ct_NCURSES_CONFIG=$NCURSES_CONFIG
-  for ac_prog in ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
+  for ac_prog in ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:3859: checking for $ac_word" >&5
+echo "$as_me:5063: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -3871,7 +5075,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_NCURSES_CONFIG="$ac_prog"
-echo "$as_me:3874: found $ac_dir/$ac_word" >&5
+echo "$as_me:5078: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -3879,10 +5083,10 @@ fi
 fi
 ac_ct_NCURSES_CONFIG=$ac_cv_prog_ac_ct_NCURSES_CONFIG
 if test -n "$ac_ct_NCURSES_CONFIG"; then
-  echo "$as_me:3882: result: $ac_ct_NCURSES_CONFIG" >&5
+  echo "$as_me:5086: result: $ac_ct_NCURSES_CONFIG" >&5
 echo "${ECHO_T}$ac_ct_NCURSES_CONFIG" >&6
 else
-  echo "$as_me:3885: result: no" >&5
+  echo "$as_me:5089: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -3895,75 +5099,218 @@ fi
 
 	if test "$NCURSES_CONFIG" != none ; then
 
-		CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
-
-cf_add_libs="`$NCURSES_CONFIG --libs`"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
+for cf_add_cflags in `$NCURSES_CONFIG --cflags`
 do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
-			cf_add_1lib=
-			break
-		fi
-	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
-done
-LIBS="$cf_add_libs"
 
-		# even with config script, some packages use no-override for curses.h
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
 
-echo "$as_me:3918: checking if we have identified curses headers" >&5
-echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
-if test "${cf_cv_ncurses_header+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
 
-cf_cv_ncurses_header=none
-for cf_header in \
-	ncurses.h ncurses/ncurses.h \
-	curses.h ncurses/curses.h
-do
-cat >conftest.$ac_ext <<_ACEOF
-#line 3930 "configure"
-#include "confdefs.h"
-#include <${cf_header}>
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
+fi
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in `$NCURSES_CONFIG --cflags`
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in `$NCURSES_CONFIG --libs`; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+		# even with config script, some packages use no-override for curses.h
+
+echo "$as_me:5265: checking if we have identified curses headers" >&5
+echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
+if test "${cf_cv_ncurses_header+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_ncurses_header=none
+for cf_header in \
+	ncurses.h ncurses/ncurses.h \
+	curses.h ncurses/curses.h
+do
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 5277 "configure"
+#include "confdefs.h"
+#include <${cf_header}>
 int
-main ()
+main (void)
 {
 initscr(); tgoto("?", 0,0)
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:3942: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5289: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:3945: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:3948: \"$ac_try\"") >&5
+  echo "$as_me:5292: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5295: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:3951: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5298: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_header=$cf_header; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 
 fi
-echo "$as_me:3962: result: $cf_cv_ncurses_header" >&5
+echo "$as_me:5309: result: $cf_cv_ncurses_header" >&5
 echo "${ECHO_T}$cf_cv_ncurses_header" >&6
 
 if test "$cf_cv_ncurses_header" = none ; then
-	{ { echo "$as_me:3966: error: No curses header-files found" >&5
+	{ { echo "$as_me:5313: error: No curses header-files found" >&5
 echo "$as_me: error: No curses header-files found" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -3973,24 +5320,24 @@ fi
 for ac_header in $cf_cv_ncurses_header
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:3976: checking for $ac_header" >&5
+echo "$as_me:5323: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 3982 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 5329 "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:3986: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:5333: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:3992: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:5339: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -4003,14 +5350,14 @@ if test -z "$ac_cpp_err"; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:4011: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:5358: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -4028,7 +5375,7 @@ cf_nculib_ROOT=`echo "HAVE_LIB$cf_ncuconfig_root" | sed y%abcdefghijklmnopqrstuv
 #define $cf_nculib_ROOT 1
 EOF
 
-				cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+				cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
 
 	else
 
@@ -4040,9 +5387,9 @@ test "$cf_cv_curses_dir" != "no" && { \
 if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
   for cf_add_incdir in $cf_cv_curses_dir/include/$cf_ncuhdr_root
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -4059,38 +5406,41 @@ if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 4064 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 5414 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4076: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5426: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4079: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4082: \"$ac_try\"") >&5
+  echo "$as_me:5429: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5432: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4085: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5435: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -4099,11 +5449,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:4102: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:5452: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -4118,32 +5468,32 @@ fi
 
 }
 
-echo "$as_me:4121: checking for $cf_ncuhdr_root header in include-path" >&5
+echo "$as_me:5471: checking for $cf_ncuhdr_root header in include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root header in include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
-	( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+	{ test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
 	for cf_header in $cf_header_list
 	do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 4133 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 5483 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
 int
-main ()
+main (void)
 {
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -4153,39 +5503,39 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4157: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5507: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4160: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4163: \"$ac_try\"") >&5
+  echo "$as_me:5510: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5513: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4166: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5516: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 		test "$cf_cv_ncurses_h" != no && break
 	done
 
 fi
-echo "$as_me:4181: result: $cf_cv_ncurses_h" >&5
+echo "$as_me:5531: result: $cf_cv_ncurses_h" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h" >&6
 
 if test "$cf_cv_ncurses_h" != no ; then
 	cf_cv_ncurses_header=$cf_cv_ncurses_h
 else
 
-echo "$as_me:4188: checking for $cf_ncuhdr_root include-path" >&5
+echo "$as_me:5538: checking for $cf_ncuhdr_root include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h2+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -4200,7 +5550,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 
@@ -4208,11 +5558,11 @@ test "x$cf_header_path" != "xNONE" && \
 test -d "$cf_header_path" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_header_path"
-	test -d $cf_header_path/include &&          cf_search="$cf_search $cf_header_path/include"
-	test -d $cf_header_path/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
-	test -d $cf_header_path/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include" &&          cf_search="$cf_search $cf_header_path/include"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 			cf_header_path_list="$cf_header_path_list $cf_search"
@@ -4229,11 +5579,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $prefix"
-	test -d $prefix/include &&          cf_search="$cf_search $prefix/include"
-	test -d $prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
-	test -d $prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$prefix/include" &&          cf_search="$cf_search $prefix/include"
+	test -d "$prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
+	test -d "$prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 for cf_subdir_prefix in \
@@ -4247,13 +5597,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/include &&          cf_search="$cf_search $cf_subdir_prefix/include"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include" &&          cf_search="$cf_search $cf_subdir_prefix/include"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 done
@@ -4261,20 +5611,20 @@ done
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    cf_search="$cf_search $includedir"
-	test -d $includedir/$cf_ncuhdr_root && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
+	test -d "$includedir" &&    cf_search="$cf_search $includedir"
+	test -d "$includedir/$cf_ncuhdr_root" && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && cf_search="$cf_search $oldincludedir"
-	test -d $oldincludedir/$cf_ncuhdr_root && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
+	test -d "$oldincludedir"    && cf_search="$cf_search $oldincludedir"
+	test -d "$oldincludedir/$cf_ncuhdr_root" && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
 }
 
 cf_search="$cf_search $cf_header_path_list"
 
-	test -n "$verbose" && echo search path $cf_search
+	test -n "$verbose" && echo "search path $cf_search"
 	cf_save2_CPPFLAGS="$CPPFLAGS"
 	for cf_incdir in $cf_search
 	do
@@ -4282,9 +5632,9 @@ cf_search="$cf_search $cf_header_path_list"
 if test -n "$cf_incdir" ; then
   for cf_add_incdir in $cf_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -4301,38 +5651,41 @@ if test -n "$cf_incdir" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 4306 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 5659 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4318: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5671: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4321: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4324: \"$ac_try\"") >&5
+  echo "$as_me:5674: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5677: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4327: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5680: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -4341,11 +5694,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:4344: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:5697: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -4363,21 +5716,21 @@ fi
 			curses.h
 		do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 4367 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 5720 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
 int
-main ()
+main (void)
 {
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -4387,30 +5740,30 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4391: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5744: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4394: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4397: \"$ac_try\"") >&5
+  echo "$as_me:5747: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5750: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4400: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5753: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h2=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h2=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 			if test "$cf_cv_ncurses_h2" != no ; then
 				cf_cv_ncurses_h2=$cf_incdir/$cf_header
-				test -n "$verbose" && echo $ac_n "	... found $ac_c" 1>&6
+				test -n "$verbose" && echo $ECHO_N "	... found $ECHO_C" 1>&6
 				break
 			fi
 			test -n "$verbose" && echo "	... tested $cf_incdir/$cf_header" 1>&6
@@ -4418,26 +5771,26 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		CPPFLAGS="$cf_save2_CPPFLAGS"
 		test "$cf_cv_ncurses_h2" != no && break
 	done
-	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:4421: error: not found" >&5
+	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:5774: error: not found" >&5
 echo "$as_me: error: not found" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:4426: result: $cf_cv_ncurses_h2" >&5
+echo "$as_me:5779: result: $cf_cv_ncurses_h2" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h2" >&6
 
-	cf_1st_incdir=`echo $cf_cv_ncurses_h2 | sed -e 's%/[^/]*$%%'`
-	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
-	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
-		cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+	cf_1st_incdir=`echo "$cf_cv_ncurses_h2" | sed -e 's%/[^/]*$%%'`
+	cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
+	if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
+		cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
 	fi
 
 if test -n "$cf_1st_incdir" ; then
   for cf_add_incdir in $cf_1st_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -4454,38 +5807,41 @@ if test -n "$cf_1st_incdir" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 4459 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 5815 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4471: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5827: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4474: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4477: \"$ac_try\"") >&5
+  echo "$as_me:5830: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5833: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4480: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5836: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -4494,11 +5850,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:4497: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:5853: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -4515,7 +5871,7 @@ fi
 
 # Set definitions to allow ifdef'ing for ncurses.h
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (*ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -4525,7 +5881,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (ncurses/curses.h|ncurses/ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -4542,13 +5898,13 @@ EOF
 	;;
 esac
 
-echo "$as_me:4545: checking for terminfo header" >&5
+echo "$as_me:5901: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -4559,53 +5915,53 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 4563 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 5919 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <$cf_test>
 
 int
-main ()
+main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:4578: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:5934: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:4581: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:4584: \"$ac_try\"") >&5
+  echo "$as_me:5937: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:5940: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4587: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:5943: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:4603: result: $cf_cv_term_header" >&5
+echo "$as_me:5959: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -4615,7 +5971,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -4638,7 +5994,7 @@ cat >>confdefs.h <<\EOF
 #define NCURSES 1
 EOF
 
-echo "$as_me:4641: checking for ncurses version" >&5
+echo "$as_me:5997: checking for ncurses version" >&5
 echo $ECHO_N "checking for ncurses version... $ECHO_C" >&6
 if test "${cf_cv_ncurses_version+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -4646,12 +6002,12 @@ else
 
 	cf_cv_ncurses_version=no
 	cf_tempfile=out$$
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 	if test "$cross_compiling" = yes; then
 
 	# This will not work if the preprocessor splits the line after the
 	# Autoconf token.  The 'unproto' program does that.
-	cat > conftest.$ac_ext <<EOF
+	cat > "conftest.$ac_ext" <<EOF
 #include <${cf_cv_ncurses_header:-curses.h}>
 #undef Autoconf
 #ifdef NCURSES_VERSION
@@ -4664,36 +6020,36 @@ Autoconf "old"
 #endif
 EOF
 	cf_try="$ac_cpp conftest.$ac_ext 2>&5 | grep '^Autoconf ' >conftest.out"
-	{ (eval echo "$as_me:4667: \"$cf_try\"") >&5
+	{ (eval echo "$as_me:6023: \"$cf_try\"") >&5
   (eval $cf_try) 2>&5
   ac_status=$?
-  echo "$as_me:4670: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:6026: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 	if test -f conftest.out ; then
-		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%'`
+		cf_out=`sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%' conftest.out`
 		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
 		rm -f conftest.out
 	fi
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4680 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 6036 "configure"
 #include "confdefs.h"
 
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <stdio.h>
-int main()
+int main(void)
 {
 	FILE *fp = fopen("$cf_tempfile", "w");
 #ifdef NCURSES_VERSION
 # ifdef NCURSES_VERSION_PATCH
-	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+	fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
 # else
-	fprintf(fp, "%s\n", NCURSES_VERSION);
+	fprintf(fp, "%s\\n", NCURSES_VERSION);
 # endif
 #else
 # ifdef __NCURSES_H
-	fprintf(fp, "old\n");
+	fprintf(fp, "old\\n");
 # else
 	make an error
 # endif
@@ -4701,30 +6057,30 @@ int main()
 	${cf_cv_main_return:-return}(0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:4705: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:6061: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4708: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:4710: \"$ac_try\"") >&5
+  echo "$as_me:6064: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:6066: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4713: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6069: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_ncurses_version=`cat $cf_tempfile`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 
 fi
-echo "$as_me:4727: result: $cf_cv_ncurses_version" >&5
+echo "$as_me:6083: result: $cf_cv_ncurses_version" >&5
 echo "${ECHO_T}$cf_cv_ncurses_version" >&6
 test "$cf_cv_ncurses_version" = no ||
 cat >>confdefs.h <<\EOF
@@ -4737,15 +6093,15 @@ cf_nculib_root=ncurses
 	# to link gpm.
 cf_ncurses_LIBS=""
 cf_ncurses_SAVE="$LIBS"
-echo "$as_me:4740: checking for Gpm_Open in -lgpm" >&5
+echo "$as_me:6096: checking for Gpm_Open in -lgpm" >&5
 echo $ECHO_N "checking for Gpm_Open in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_Gpm_Open+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 4748 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6104 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -4756,46 +6112,46 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char Gpm_Open ();
 int
-main ()
+main (void)
 {
 Gpm_Open ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4767: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6123: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4770: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4773: \"$ac_try\"") >&5
+  echo "$as_me:6126: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6129: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4776: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6132: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_Gpm_Open=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_Gpm_Open=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:4787: result: $ac_cv_lib_gpm_Gpm_Open" >&5
+echo "$as_me:6143: result: $ac_cv_lib_gpm_Gpm_Open" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_Gpm_Open" >&6
-if test $ac_cv_lib_gpm_Gpm_Open = yes; then
-  echo "$as_me:4790: checking for initscr in -lgpm" >&5
+if test "$ac_cv_lib_gpm_Gpm_Open" = yes; then
+  echo "$as_me:6146: checking for initscr in -lgpm" >&5
 echo $ECHO_N "checking for initscr in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 4798 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6154 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -4806,37 +6162,37 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char initscr ();
 int
-main ()
+main (void)
 {
 initscr ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4817: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6173: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4820: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4823: \"$ac_try\"") >&5
+  echo "$as_me:6176: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6179: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4826: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6182: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:4837: result: $ac_cv_lib_gpm_initscr" >&5
+echo "$as_me:6193: result: $ac_cv_lib_gpm_initscr" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_initscr" >&6
-if test $ac_cv_lib_gpm_initscr = yes; then
+if test "$ac_cv_lib_gpm_initscr" = yes; then
   LIBS="$cf_ncurses_SAVE"
 else
   cf_ncurses_LIBS="-lgpm"
@@ -4844,20 +6200,20 @@ fi
 
 fi
 
-case $host_os in
+case "$host_os" in
 (freebsd*)
 	# This is only necessary if you are linking against an obsolete
-	# version of ncurses (but it should do no harm, since it's static).
+	# version of ncurses (but it should do no harm, since it is static).
 	if test "$cf_nculib_root" = ncurses ; then
-		echo "$as_me:4852: checking for tgoto in -lmytinfo" >&5
+		echo "$as_me:6208: checking for tgoto in -lmytinfo" >&5
 echo $ECHO_N "checking for tgoto in -lmytinfo... $ECHO_C" >&6
 if test "${ac_cv_lib_mytinfo_tgoto+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmytinfo  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 4860 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6216 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -4868,37 +6224,37 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char tgoto ();
 int
-main ()
+main (void)
 {
 tgoto ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4879: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6235: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4882: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4885: \"$ac_try\"") >&5
+  echo "$as_me:6238: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6241: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4888: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6244: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_mytinfo_tgoto=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_mytinfo_tgoto=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:4899: result: $ac_cv_lib_mytinfo_tgoto" >&5
+echo "$as_me:6255: result: $ac_cv_lib_mytinfo_tgoto" >&5
 echo "${ECHO_T}$ac_cv_lib_mytinfo_tgoto" >&6
-if test $ac_cv_lib_mytinfo_tgoto = yes; then
+if test "$ac_cv_lib_mytinfo_tgoto" = yes; then
   cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"
 fi
 
@@ -4906,143 +6262,143 @@ fi
 	;;
 esac
 
-cf_add_libs="$cf_ncurses_LIBS"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_ncurses_LIBS; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 
-cf_add_libs="-l$cf_nculib_root"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -l$cf_nculib_root; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
 else
 
-	eval 'cf_cv_have_lib_'$cf_nculib_root'=no'
+	eval 'cf_cv_have_lib_'"$cf_nculib_root"'=no'
 	cf_libdir=""
-	echo "$as_me:4948: checking for initscr" >&5
+	echo "$as_me:6304: checking for initscr" >&5
 echo $ECHO_N "checking for initscr... $ECHO_C" >&6
 if test "${ac_cv_func_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 4954 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 6310 "configure"
 #include "confdefs.h"
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char initscr (); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
+#define initscr autoconf_temporary
+#include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
+#undef initscr
+
 #ifdef __cplusplus
 extern "C"
 #endif
+
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char initscr ();
-char (*f) ();
+char initscr (void);
 
 int
-main ()
+main (void)
 {
-/* The GNU C library defines this for functions which it implements
+
+/* The GNU C library defines stubs for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
 #if defined (__stub_initscr) || defined (__stub___initscr)
-choke me
-#else
-f = initscr; /* workaround for ICC 12.0.3 */ if (f == 0) return 1;
+#error found stub for initscr
 #endif
 
+	return initscr ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:4985: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6341: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:4988: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:4991: \"$ac_try\"") >&5
+  echo "$as_me:6344: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6347: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:4994: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6350: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:5004: result: $ac_cv_func_initscr" >&5
+echo "$as_me:6360: result: $ac_cv_func_initscr" >&5
 echo "${ECHO_T}$ac_cv_func_initscr" >&6
-if test $ac_cv_func_initscr = yes; then
-  eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+if test "$ac_cv_func_initscr" = yes; then
+  eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 else
 
 		cf_save_LIBS="$LIBS"
-		echo "$as_me:5011: checking for initscr in -l$cf_nculib_root" >&5
+		echo "$as_me:6367: checking for initscr in -l$cf_nculib_root" >&5
 echo $ECHO_N "checking for initscr in -l$cf_nculib_root... $ECHO_C" >&6
 		LIBS="-l$cf_nculib_root $LIBS"
-		cat >conftest.$ac_ext <<_ACEOF
-#line 5015 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 6371 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
 initscr()
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5027: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6383: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5030: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5033: \"$ac_try\"") >&5
+  echo "$as_me:6386: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6389: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5036: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:5038: result: yes" >&5
+  echo "$as_me:6392: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:6394: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:5045: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:6401: result: no" >&5
 echo "${ECHO_T}no" >&6
 
 cf_search=
@@ -5050,7 +6406,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 
@@ -5058,11 +6414,11 @@ test "x$cf_library_path" != "xNONE" && \
 test -d "$cf_library_path" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_library_path"
-	test -d $cf_library_path/lib &&          cf_search="$cf_search $cf_library_path/lib"
-	test -d $cf_library_path/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
-	test -d $cf_library_path/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib" &&          cf_search="$cf_search $cf_library_path/lib"
+	test -d "$cf_library_path/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 			cf_library_path_list="$cf_library_path_list $cf_search"
@@ -5077,11 +6433,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $prefix"
-	test -d $prefix/lib &&          cf_search="$cf_search $prefix/lib"
-	test -d $prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
-	test -d $prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$prefix/lib" &&          cf_search="$cf_search $prefix/lib"
+	test -d "$prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
+	test -d "$prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 for cf_subdir_prefix in \
@@ -5095,13 +6451,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/lib &&          cf_search="$cf_search $cf_subdir_prefix/lib"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib" &&          cf_search="$cf_search $cf_subdir_prefix/lib"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 done
@@ -5110,56 +6466,56 @@ cf_search="$cf_library_path_list $cf_search"
 
 			for cf_libdir in $cf_search
 			do
-				echo "$as_me:5113: checking for -l$cf_nculib_root in $cf_libdir" >&5
+				echo "$as_me:6469: checking for -l$cf_nculib_root in $cf_libdir" >&5
 echo $ECHO_N "checking for -l$cf_nculib_root in $cf_libdir... $ECHO_C" >&6
 				LIBS="-L$cf_libdir -l$cf_nculib_root $cf_save_LIBS"
-				cat >conftest.$ac_ext <<_ACEOF
-#line 5117 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 6473 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
 initscr()
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5129: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6485: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5132: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5135: \"$ac_try\"") >&5
+  echo "$as_me:6488: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6491: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5138: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:5140: result: yes" >&5
+  echo "$as_me:6494: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:6496: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 		 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 		 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 					 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:5147: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:6503: result: no" >&5
 echo "${ECHO_T}no" >&6
 					 LIBS="$cf_save_LIBS"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 			done
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
 
-eval 'cf_found_library=$cf_cv_have_lib_'$cf_nculib_root
+eval 'cf_found_library="$cf_cv_have_lib_'"$cf_nculib_root"\"
 
-if test $cf_found_library = no ; then
-	{ { echo "$as_me:5162: error: Cannot link $cf_nculib_root library" >&5
+if test "$cf_found_library" = no ; then
+	{ { echo "$as_me:6518: error: Cannot link $cf_nculib_root library" >&5
 echo "$as_me: error: Cannot link $cf_nculib_root library" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -5167,49 +6523,49 @@ fi
 fi
 
 if test -n "$cf_ncurses_LIBS" ; then
-	echo "$as_me:5170: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
+	echo "$as_me:6526: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
 echo $ECHO_N "checking if we can link $cf_nculib_root without $cf_ncurses_LIBS... $ECHO_C" >&6
 	cf_ncurses_SAVE="$LIBS"
 	for p in $cf_ncurses_LIBS ; do
-		q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
+		q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
 		if test "$q" != "$LIBS" ; then
 			LIBS="$q"
 		fi
 	done
-	cat >conftest.$ac_ext <<_ACEOF
-#line 5180 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 6536 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5192: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6548: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5195: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5198: \"$ac_try\"") >&5
+  echo "$as_me:6551: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6554: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5201: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:5203: result: yes" >&5
+  echo "$as_me:6557: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:6559: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:5208: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:6564: result: no" >&5
 echo "${ECHO_T}no" >&6
 		 LIBS="$cf_ncurses_SAVE"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
 
 cf_nculib_ROOT=`echo "HAVE_LIB$cf_nculib_root" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
@@ -5223,7 +6579,7 @@ else
 	NCURSES_CONFIG=none
 fi
 
-echo "$as_me:5226: checking if you want wide-character code" >&5
+echo "$as_me:6582: checking if you want wide-character code" >&5
 echo $ECHO_N "checking if you want wide-character code... $ECHO_C" >&6
 
 # Check whether --enable-widec or --disable-widec was given.
@@ -5233,81 +6589,134 @@ if test "${enable_widec+set}" = set; then
 else
   with_widec=no
 fi;
-echo "$as_me:5236: result: $with_widec" >&5
+echo "$as_me:6592: result: $with_widec" >&5
 echo "${ECHO_T}$with_widec" >&6
 if test "$with_widec" = yes ; then
 
-echo "$as_me:5240: checking for multibyte character support" >&5
+for ac_header in wchar.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:6599: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 6605 "configure"
+#include "confdefs.h"
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:6609: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:6615: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+  cat "conftest.$ac_ext" >&5
+  eval "$as_ac_Header=no"
+fi
+rm -f conftest.err "conftest.$ac_ext"
+fi
+echo "$as_me:6634: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
+  cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+EOF
+
+fi
+done
+
+echo "$as_me:6644: checking for multibyte character support" >&5
 echo $ECHO_N "checking for multibyte character support... $ECHO_C" >&6
 if test "${cf_cv_utf8_lib+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 	cf_save_LIBS="$LIBS"
-	cat >conftest.$ac_ext <<_ACEOF
-#line 5248 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 6652 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
+#include <stdio.h>
+#ifdef HAVE_WCHAR_H
+#include <wchar.h>
+#endif
+
 int
-main ()
+main (void)
 {
 putwc(0,0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5261: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6670: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5264: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5267: \"$ac_try\"") >&5
+  echo "$as_me:6673: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6676: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5270: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6679: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_utf8_lib=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
 # will be set on completion of the AC_TRY_LINK below.
 cf_cv_header_path_utf8=
 cf_cv_library_path_utf8=
 
-echo "${as_me:-configure}:5282: testing Starting FIND_LINKAGE(utf8,) ..." 1>&5
+echo "${as_me:-configure}:6691: testing Starting FIND_LINKAGE(utf8,) ..." 1>&5
 
 cf_save_LIBS="$LIBS"
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 5287 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6696 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
 int
-main ()
+main (void)
 {
 putwc(0,0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5300: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6709: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5303: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5306: \"$ac_try\"") >&5
+  echo "$as_me:6712: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6715: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5309: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6718: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_find_linkage_utf8=yes
 	cf_cv_header_path_utf8=/usr/include
@@ -5315,35 +6724,35 @@ if { (eval echo "$as_me:5300: \"$ac_link\"") >&5
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 LIBS="-lutf8  $cf_save_LIBS"
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 5323 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6732 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
 int
-main ()
+main (void)
 {
 putwc(0,0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5336: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:6745: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5339: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5342: \"$ac_try\"") >&5
+  echo "$as_me:6748: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:6751: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5345: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6754: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_find_linkage_utf8=yes
 	cf_cv_header_path_utf8=/usr/include
@@ -5352,16 +6761,16 @@ if { (eval echo "$as_me:5336: \"$ac_link\"") >&5
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_find_linkage_utf8=no
 	LIBS="$cf_save_LIBS"
 
 	test -n "$verbose" && echo "	find linkage for utf8 library" 1>&6
 
-echo "${as_me:-configure}:5362: testing find linkage for utf8 library ..." 1>&5
+echo "${as_me:-configure}:6771: testing find linkage for utf8 library ..." 1>&5
 
-echo "${as_me:-configure}:5364: testing Searching for headers in FIND_LINKAGE(utf8,) ..." 1>&5
+echo "${as_me:-configure}:6773: testing Searching for headers in FIND_LINKAGE(utf8,) ..." 1>&5
 
 	cf_save_CPPFLAGS="$CPPFLAGS"
 	cf_test_CPPFLAGS="$CPPFLAGS"
@@ -5373,7 +6782,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 
@@ -5381,11 +6790,11 @@ test "x$cf_header_path" != "xNONE" && \
 test -d "$cf_header_path" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_header_path"
-	test -d $cf_header_path/include &&          cf_search="$cf_search $cf_header_path/include"
-	test -d $cf_header_path/include/utf8 &&       cf_search="$cf_search $cf_header_path/include/utf8"
-	test -d $cf_header_path/include/utf8/include &&    cf_search="$cf_search $cf_header_path/include/utf8/include"
-	test -d $cf_header_path/utf8/include &&       cf_search="$cf_search $cf_header_path/utf8/include"
-	test -d $cf_header_path/utf8/include/utf8 &&    cf_search="$cf_search $cf_header_path/utf8/include/utf8"
+	test -d "$cf_header_path/include" &&          cf_search="$cf_search $cf_header_path/include"
+	test -d "$cf_header_path/include/utf8" &&       cf_search="$cf_search $cf_header_path/include/utf8"
+	test -d "$cf_header_path/include/utf8/include" &&    cf_search="$cf_search $cf_header_path/include/utf8/include"
+	test -d "$cf_header_path/utf8/include" &&       cf_search="$cf_search $cf_header_path/utf8/include"
+	test -d "$cf_header_path/utf8/include/utf8" &&    cf_search="$cf_search $cf_header_path/utf8/include/utf8"
 }
 
 			cf_header_path_list="$cf_header_path_list $cf_search"
@@ -5402,11 +6811,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $prefix"
-	test -d $prefix/include &&          cf_search="$cf_search $prefix/include"
-	test -d $prefix/include/utf8 &&       cf_search="$cf_search $prefix/include/utf8"
-	test -d $prefix/include/utf8/include &&    cf_search="$cf_search $prefix/include/utf8/include"
-	test -d $prefix/utf8/include &&       cf_search="$cf_search $prefix/utf8/include"
-	test -d $prefix/utf8/include/utf8 &&    cf_search="$cf_search $prefix/utf8/include/utf8"
+	test -d "$prefix/include" &&          cf_search="$cf_search $prefix/include"
+	test -d "$prefix/include/utf8" &&       cf_search="$cf_search $prefix/include/utf8"
+	test -d "$prefix/include/utf8/include" &&    cf_search="$cf_search $prefix/include/utf8/include"
+	test -d "$prefix/utf8/include" &&       cf_search="$cf_search $prefix/utf8/include"
+	test -d "$prefix/utf8/include/utf8" &&    cf_search="$cf_search $prefix/utf8/include/utf8"
 }
 
 for cf_subdir_prefix in \
@@ -5420,13 +6829,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/include &&          cf_search="$cf_search $cf_subdir_prefix/include"
-	test -d $cf_subdir_prefix/include/utf8 &&       cf_search="$cf_search $cf_subdir_prefix/include/utf8"
-	test -d $cf_subdir_prefix/include/utf8/include &&    cf_search="$cf_search $cf_subdir_prefix/include/utf8/include"
-	test -d $cf_subdir_prefix/utf8/include &&       cf_search="$cf_search $cf_subdir_prefix/utf8/include"
-	test -d $cf_subdir_prefix/utf8/include/utf8 &&    cf_search="$cf_search $cf_subdir_prefix/utf8/include/utf8"
+	test -d "$cf_subdir_prefix/include" &&          cf_search="$cf_search $cf_subdir_prefix/include"
+	test -d "$cf_subdir_prefix/include/utf8" &&       cf_search="$cf_search $cf_subdir_prefix/include/utf8"
+	test -d "$cf_subdir_prefix/include/utf8/include" &&    cf_search="$cf_search $cf_subdir_prefix/include/utf8/include"
+	test -d "$cf_subdir_prefix/utf8/include" &&       cf_search="$cf_search $cf_subdir_prefix/utf8/include"
+	test -d "$cf_subdir_prefix/utf8/include/utf8" &&    cf_search="$cf_search $cf_subdir_prefix/utf8/include/utf8"
 }
 
 done
@@ -5434,74 +6843,78 @@ done
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    cf_search="$cf_search $includedir"
-	test -d $includedir/utf8 && cf_search="$cf_search $includedir/utf8"
+	test -d "$includedir" &&    cf_search="$cf_search $includedir"
+	test -d "$includedir/utf8" && cf_search="$cf_search $includedir/utf8"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && cf_search="$cf_search $oldincludedir"
-	test -d $oldincludedir/utf8 && cf_search="$cf_search $oldincludedir/utf8"
+	test -d "$oldincludedir"    && cf_search="$cf_search $oldincludedir"
+	test -d "$oldincludedir/utf8" && cf_search="$cf_search $oldincludedir/utf8"
 }
 
 cf_search="$cf_search $cf_header_path_list"
 
 	for cf_cv_header_path_utf8 in $cf_search
 	do
-		if test -d $cf_cv_header_path_utf8 ; then
+		if test -d "$cf_cv_header_path_utf8" ; then
 			test -n "$verbose" && echo "	... testing $cf_cv_header_path_utf8" 1>&6
 
-echo "${as_me:-configure}:5455: testing ... testing $cf_cv_header_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:6864: testing ... testing $cf_cv_header_path_utf8 ..." 1>&5
+
+			CPPFLAGS="$cf_save_CPPFLAGS"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_cv_header_path_utf8"
 
-			CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_utf8"
-			cat >conftest.$ac_ext <<_ACEOF
-#line 5459 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 6872 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
 int
-main ()
+main (void)
 {
 putwc(0,0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5472: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6885: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5475: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5478: \"$ac_try\"") >&5
+  echo "$as_me:6888: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:6891: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5481: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:6894: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 				test -n "$verbose" && echo "	... found utf8 headers in $cf_cv_header_path_utf8" 1>&6
 
-echo "${as_me:-configure}:5486: testing ... found utf8 headers in $cf_cv_header_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:6899: testing ... found utf8 headers in $cf_cv_header_path_utf8 ..." 1>&5
 
 				cf_cv_find_linkage_utf8=maybe
 				cf_test_CPPFLAGS="$CPPFLAGS"
 				break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 				CPPFLAGS="$cf_save_CPPFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 		fi
 	done
 
 	if test "$cf_cv_find_linkage_utf8" = maybe ; then
 
-echo "${as_me:-configure}:5504: testing Searching for utf8 library in FIND_LINKAGE(utf8,) ..." 1>&5
+echo "${as_me:-configure}:6917: testing Searching for utf8 library in FIND_LINKAGE(utf8,) ..." 1>&5
 
 		cf_save_LIBS="$LIBS"
 		cf_save_LDFLAGS="$LDFLAGS"
@@ -5513,7 +6926,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 
@@ -5521,11 +6934,11 @@ test "x$cf_library_path" != "xNONE" && \
 test -d "$cf_library_path" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_library_path"
-	test -d $cf_library_path/lib &&          cf_search="$cf_search $cf_library_path/lib"
-	test -d $cf_library_path/lib/utf8 &&       cf_search="$cf_search $cf_library_path/lib/utf8"
-	test -d $cf_library_path/lib/utf8/lib &&    cf_search="$cf_search $cf_library_path/lib/utf8/lib"
-	test -d $cf_library_path/utf8/lib &&       cf_search="$cf_search $cf_library_path/utf8/lib"
-	test -d $cf_library_path/utf8/lib/utf8 &&    cf_search="$cf_search $cf_library_path/utf8/lib/utf8"
+	test -d "$cf_library_path/lib" &&          cf_search="$cf_search $cf_library_path/lib"
+	test -d "$cf_library_path/lib/utf8" &&       cf_search="$cf_search $cf_library_path/lib/utf8"
+	test -d "$cf_library_path/lib/utf8/lib" &&    cf_search="$cf_search $cf_library_path/lib/utf8/lib"
+	test -d "$cf_library_path/utf8/lib" &&       cf_search="$cf_search $cf_library_path/utf8/lib"
+	test -d "$cf_library_path/utf8/lib/utf8" &&    cf_search="$cf_search $cf_library_path/utf8/lib/utf8"
 }
 
 			cf_library_path_list="$cf_library_path_list $cf_search"
@@ -5540,11 +6953,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $prefix"
-	test -d $prefix/lib &&          cf_search="$cf_search $prefix/lib"
-	test -d $prefix/lib/utf8 &&       cf_search="$cf_search $prefix/lib/utf8"
-	test -d $prefix/lib/utf8/lib &&    cf_search="$cf_search $prefix/lib/utf8/lib"
-	test -d $prefix/utf8/lib &&       cf_search="$cf_search $prefix/utf8/lib"
-	test -d $prefix/utf8/lib/utf8 &&    cf_search="$cf_search $prefix/utf8/lib/utf8"
+	test -d "$prefix/lib" &&          cf_search="$cf_search $prefix/lib"
+	test -d "$prefix/lib/utf8" &&       cf_search="$cf_search $prefix/lib/utf8"
+	test -d "$prefix/lib/utf8/lib" &&    cf_search="$cf_search $prefix/lib/utf8/lib"
+	test -d "$prefix/utf8/lib" &&       cf_search="$cf_search $prefix/utf8/lib"
+	test -d "$prefix/utf8/lib/utf8" &&    cf_search="$cf_search $prefix/utf8/lib/utf8"
 }
 
 for cf_subdir_prefix in \
@@ -5558,13 +6971,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/lib &&          cf_search="$cf_search $cf_subdir_prefix/lib"
-	test -d $cf_subdir_prefix/lib/utf8 &&       cf_search="$cf_search $cf_subdir_prefix/lib/utf8"
-	test -d $cf_subdir_prefix/lib/utf8/lib &&    cf_search="$cf_search $cf_subdir_prefix/lib/utf8/lib"
-	test -d $cf_subdir_prefix/utf8/lib &&       cf_search="$cf_search $cf_subdir_prefix/utf8/lib"
-	test -d $cf_subdir_prefix/utf8/lib/utf8 &&    cf_search="$cf_search $cf_subdir_prefix/utf8/lib/utf8"
+	test -d "$cf_subdir_prefix/lib" &&          cf_search="$cf_search $cf_subdir_prefix/lib"
+	test -d "$cf_subdir_prefix/lib/utf8" &&       cf_search="$cf_search $cf_subdir_prefix/lib/utf8"
+	test -d "$cf_subdir_prefix/lib/utf8/lib" &&    cf_search="$cf_search $cf_subdir_prefix/lib/utf8/lib"
+	test -d "$cf_subdir_prefix/utf8/lib" &&       cf_search="$cf_search $cf_subdir_prefix/utf8/lib"
+	test -d "$cf_subdir_prefix/utf8/lib/utf8" &&    cf_search="$cf_search $cf_subdir_prefix/utf8/lib/utf8"
 }
 
 done
@@ -5573,57 +6986,57 @@ cf_search="$cf_library_path_list $cf_search"
 
 			for cf_cv_library_path_utf8 in $cf_search
 			do
-				if test -d $cf_cv_library_path_utf8 ; then
+				if test -d "$cf_cv_library_path_utf8" ; then
 					test -n "$verbose" && echo "	... testing $cf_cv_library_path_utf8" 1>&6
 
-echo "${as_me:-configure}:5579: testing ... testing $cf_cv_library_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:6992: testing ... testing $cf_cv_library_path_utf8 ..." 1>&5
 
 					CPPFLAGS="$cf_test_CPPFLAGS"
 					LIBS="-lutf8  $cf_save_LIBS"
 					LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_utf8"
-					cat >conftest.$ac_ext <<_ACEOF
-#line 5585 "configure"
+					cat >"conftest.$ac_ext" <<_ACEOF
+#line 6998 "configure"
 #include "confdefs.h"
 
 #include <libutf8.h>
 int
-main ()
+main (void)
 {
 putwc(0,0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5598: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7011: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5601: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5604: \"$ac_try\"") >&5
+  echo "$as_me:7014: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7017: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5607: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7020: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 					test -n "$verbose" && echo "	... found utf8 library in $cf_cv_library_path_utf8" 1>&6
 
-echo "${as_me:-configure}:5612: testing ... found utf8 library in $cf_cv_library_path_utf8 ..." 1>&5
+echo "${as_me:-configure}:7025: testing ... found utf8 library in $cf_cv_library_path_utf8 ..." 1>&5
 
 					cf_cv_find_linkage_utf8=yes
 					cf_cv_library_file_utf8="-lutf8"
 					break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 					CPPFLAGS="$cf_save_CPPFLAGS"
 					LIBS="$cf_save_LIBS"
 					LDFLAGS="$cf_save_LDFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 				fi
 			done
 			CPPFLAGS="$cf_save_CPPFLAGS"
@@ -5635,10 +7048,10 @@ rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 	fi
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 LIBS="$cf_save_LIBS"
 
@@ -5649,9 +7062,9 @@ cf_cv_utf8_lib=no
 fi
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:5654: result: $cf_cv_utf8_lib" >&5
+echo "$as_me:7067: result: $cf_cv_utf8_lib" >&5
 echo "${ECHO_T}$cf_cv_utf8_lib" >&6
 
 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
@@ -5665,9 +7078,9 @@ EOF
 if test -n "$cf_cv_header_path_utf8" ; then
   for cf_add_incdir in $cf_cv_header_path_utf8
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -5684,38 +7097,41 @@ if test -n "$cf_cv_header_path_utf8" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 5689 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 7105 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:5701: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:7117: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:5704: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:5707: \"$ac_try\"") >&5
+  echo "$as_me:7120: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:7123: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5710: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7126: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -5724,11 +7140,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:5727: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:7143: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -5744,9 +7160,9 @@ fi
 if test -n "$cf_cv_library_path_utf8" ; then
 	for cf_add_libdir in $cf_cv_library_path_utf8
 	do
-		if test $cf_add_libdir = /usr/lib ; then
+		if test "$cf_add_libdir" = /usr/lib ; then
 			:
-		elif test -d $cf_add_libdir
+		elif test -d "$cf_add_libdir"
 		then
 			cf_have_libdir=no
 			if test -n "$LDFLAGS$LIBS" ; then
@@ -5760,7 +7176,7 @@ if test -n "$cf_cv_library_path_utf8" ; then
 			if test "$cf_have_libdir" = no ; then
 				test -n "$verbose" && echo "	adding $cf_add_libdir to library-path" 1>&6
 
-echo "${as_me:-configure}:5763: testing adding $cf_add_libdir to library-path ..." 1>&5
+echo "${as_me:-configure}:7179: testing adding $cf_add_libdir to library-path ..." 1>&5
 
 				LDFLAGS="-L$cf_add_libdir $LDFLAGS"
 			fi
@@ -5768,19 +7184,19 @@ echo "${as_me:-configure}:5763: testing adding $cf_add_libdir to library-path ..
 	done
 fi
 
-cf_add_libs="$cf_cv_library_file_utf8"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_cv_library_file_utf8; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
@@ -5790,98 +7206,440 @@ cf_ncuconfig_root=ncursesw
 cf_have_ncuconfig=no
 
 if test "x${PKG_CONFIG:=none}" != xnone; then
-	echo "$as_me:5793: checking pkg-config for $cf_ncuconfig_root" >&5
+	echo "$as_me:7209: checking pkg-config for $cf_ncuconfig_root" >&5
 echo $ECHO_N "checking pkg-config for $cf_ncuconfig_root... $ECHO_C" >&6
 	if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
-		echo "$as_me:5796: result: yes" >&5
+		echo "$as_me:7212: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-		echo "$as_me:5799: checking if the $cf_ncuconfig_root package files work" >&5
+		echo "$as_me:7215: checking if the $cf_ncuconfig_root package files work" >&5
 echo $ECHO_N "checking if the $cf_ncuconfig_root package files work... $ECHO_C" >&6
 		cf_have_ncuconfig=unknown
 
+		cf_save_CFLAGS="$CFLAGS"
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
 
-		CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
+
+		# while -W for passing linker flags is prevalent, it is not "standard".
+		# At least one wrapper for c89/c99 (in Apple's xcode) has its own
+		# incompatible _and_ non-standard -W option which gives an error.  Work
+		# around that pitfall.
+		case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
+		(x*c[89]9@@*-W*)
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
 
-cf_add_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
+for cf_add_cflags in $cf_pkg_cflags
 do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 5825 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 7348 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:5837: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7360: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5840: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:5843: \"$ac_try\"") >&5
+  echo "$as_me:7363: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7366: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5846: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7369: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  if test "$cross_compiling" = yes; then
+  cf_test_ncuconfig=maybe
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 7375 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+					int main(void)
+					{ const char *xx = curses_version(); return (xx == 0); }
+_ACEOF
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:7382: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:7385: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:7387: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:7390: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_test_ncuconfig=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
+fi
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+
+			CFLAGS="$cf_save_CFLAGS"
+			CPPFLAGS="$cf_save_CPPFLAGS"
+			LIBS="$cf_save_LIBS"
+
+			if test "x$cf_test_ncuconfig" != xyes; then
+				cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_cflags="$cf_temp"
+				cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_libs="$cf_temp"
+			fi
+			;;
+		esac
+
+for cf_add_cflags in $cf_pkg_cflags
+do
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
+
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
+fi
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_pkg_cflags
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 7583 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+int
+main (void)
+{
+initscr(); mousemask(0,0); tigetstr((char *)0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:7595: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:7598: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:7601: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:7604: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   if test "$cross_compiling" = yes; then
   cf_have_ncuconfig=maybe
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 5852 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 7610 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 				int main(void)
-				{ char *xx = curses_version(); return (xx == 0); }
+				{ const char *xx = curses_version(); return (xx == 0); }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:5859: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:7617: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:5862: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:5864: \"$ac_try\"") >&5
+  echo "$as_me:7620: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:7622: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:5867: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:7625: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_have_ncuconfig=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_ncuconfig=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_ncuconfig=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-		echo "$as_me:5884: result: $cf_have_ncuconfig" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:7642: result: $cf_have_ncuconfig" >&5
 echo "${ECHO_T}$cf_have_ncuconfig" >&6
 		test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
 		if test "$cf_have_ncuconfig" != "yes"
@@ -5896,10 +7654,101 @@ cat >>confdefs.h <<\EOF
 EOF
 
 			NCURSES_CONFIG_PKG=$cf_ncuconfig_root
+
+echo "$as_me:7658: checking for terminfo header" >&5
+echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
+if test "${cf_cv_term_header+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+case "${cf_cv_ncurses_header}" in
+(*/ncurses.h|*/ncursesw.h)
+	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
+	;;
+(*)
+	cf_term_header=term.h
+	;;
+esac
+
+for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
+do
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 7676 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+#include <${cf_cv_ncurses_header:-curses.h}>
+#include <$cf_test>
+
+int
+main (void)
+{
+int x = auto_left_margin; (void)x
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:7691: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:7694: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:7697: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:7700: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+
+	cf_cv_term_header="$cf_test"
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+
+	cf_cv_term_header=unknown
+
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+	test "$cf_cv_term_header" != unknown && break
+done
+
+fi
+echo "$as_me:7716: result: $cf_cv_term_header" >&5
+echo "${ECHO_T}$cf_cv_term_header" >&6
+
+# Set definitions to allow ifdef'ing to accommodate subdirectories
+
+case "$cf_cv_term_header" in
+(*term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_TERM_H 1
+EOF
+
+	;;
+esac
+
+case "$cf_cv_term_header" in
+(ncurses/term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_NCURSES_TERM_H 1
+EOF
+
+	;;
+(ncursesw/term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_NCURSESW_TERM_H 1
+EOF
+
+	;;
+esac
+
 		fi
 
 	else
-		echo "$as_me:5902: result: no" >&5
+		echo "$as_me:7751: result: no" >&5
 echo "${ECHO_T}no" >&6
 		NCURSES_CONFIG_PKG=none
 	fi
@@ -5908,14 +7757,14 @@ else
 fi
 
 if test "x$cf_have_ncuconfig" = "xno"; then
-	echo "Looking for ${cf_ncuconfig_root}-config"
+	cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
 
 if test -n "$ac_tool_prefix"; then
-  for ac_prog in ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
+  for ac_prog in ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:5918: checking for $ac_word" >&5
+echo "$as_me:7767: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5930,7 +7779,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_NCURSES_CONFIG="$ac_tool_prefix$ac_prog"
-echo "$as_me:5933: found $ac_dir/$ac_word" >&5
+echo "$as_me:7782: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -5938,10 +7787,10 @@ fi
 fi
 NCURSES_CONFIG=$ac_cv_prog_NCURSES_CONFIG
 if test -n "$NCURSES_CONFIG"; then
-  echo "$as_me:5941: result: $NCURSES_CONFIG" >&5
+  echo "$as_me:7790: result: $NCURSES_CONFIG" >&5
 echo "${ECHO_T}$NCURSES_CONFIG" >&6
 else
-  echo "$as_me:5944: result: no" >&5
+  echo "$as_me:7793: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -5950,11 +7799,11 @@ fi
 fi
 if test -z "$NCURSES_CONFIG"; then
   ac_ct_NCURSES_CONFIG=$NCURSES_CONFIG
-  for ac_prog in ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
+  for ac_prog in ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:5957: checking for $ac_word" >&5
+echo "$as_me:7806: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -5969,7 +7818,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_NCURSES_CONFIG="$ac_prog"
-echo "$as_me:5972: found $ac_dir/$ac_word" >&5
+echo "$as_me:7821: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -5977,10 +7826,10 @@ fi
 fi
 ac_ct_NCURSES_CONFIG=$ac_cv_prog_ac_ct_NCURSES_CONFIG
 if test -n "$ac_ct_NCURSES_CONFIG"; then
-  echo "$as_me:5980: result: $ac_ct_NCURSES_CONFIG" >&5
+  echo "$as_me:7829: result: $ac_ct_NCURSES_CONFIG" >&5
 echo "${ECHO_T}$ac_ct_NCURSES_CONFIG" >&6
 else
-  echo "$as_me:5983: result: no" >&5
+  echo "$as_me:7832: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -5993,75 +7842,218 @@ fi
 
 	if test "$NCURSES_CONFIG" != none ; then
 
-		CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
-
-cf_add_libs="`$NCURSES_CONFIG --libs`"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
+for cf_add_cflags in `$NCURSES_CONFIG --cflags`
 do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
-			cf_add_1lib=
-			break
-		fi
-	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
-done
-LIBS="$cf_add_libs"
 
-		# even with config script, some packages use no-override for curses.h
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
 
-echo "$as_me:6016: checking if we have identified curses headers" >&5
-echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
-if test "${cf_cv_ncurses_header+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
 
-cf_cv_ncurses_header=none
-for cf_header in \
-	ncurses.h ncursesw/ncurses.h \
-	curses.h ncursesw/curses.h
-do
-cat >conftest.$ac_ext <<_ACEOF
-#line 6028 "configure"
-#include "confdefs.h"
-#include <${cf_header}>
-int
-main ()
-{
-initscr(); tgoto("?", 0,0)
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6040: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  echo "$as_me:6043: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6046: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:6049: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  cf_cv_ncurses_header=$cf_header; break
-else
-  echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
+fi
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in `$NCURSES_CONFIG --cflags`
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in `$NCURSES_CONFIG --libs`; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+		# even with config script, some packages use no-override for curses.h
+
+echo "$as_me:8008: checking if we have identified curses headers" >&5
+echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
+if test "${cf_cv_ncurses_header+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_ncurses_header=none
+for cf_header in \
+	ncurses.h ncursesw/ncurses.h \
+	curses.h ncursesw/curses.h
+do
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 8020 "configure"
+#include "confdefs.h"
+#include <${cf_header}>
+int
+main (void)
+{
+initscr(); tgoto("?", 0,0)
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8032: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:8035: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8038: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:8041: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_ncurses_header=$cf_header; break
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 
 fi
-echo "$as_me:6060: result: $cf_cv_ncurses_header" >&5
+echo "$as_me:8052: result: $cf_cv_ncurses_header" >&5
 echo "${ECHO_T}$cf_cv_ncurses_header" >&6
 
 if test "$cf_cv_ncurses_header" = none ; then
-	{ { echo "$as_me:6064: error: No curses header-files found" >&5
+	{ { echo "$as_me:8056: error: No curses header-files found" >&5
 echo "$as_me: error: No curses header-files found" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -6071,24 +8063,24 @@ fi
 for ac_header in $cf_cv_ncurses_header
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:6074: checking for $ac_header" >&5
+echo "$as_me:8066: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 6080 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8072 "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:6084: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:8076: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:6090: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:8082: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -6101,14 +8093,14 @@ if test -z "$ac_cpp_err"; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:6109: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:8101: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -6126,7 +8118,7 @@ cf_nculib_ROOT=`echo "HAVE_LIB$cf_ncuconfig_root" | sed y%abcdefghijklmnopqrstuv
 #define $cf_nculib_ROOT 1
 EOF
 
-				cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+				cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
 
 	else
 
@@ -6138,9 +8130,9 @@ test "$cf_cv_curses_dir" != "no" && { \
 if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
   for cf_add_incdir in $cf_cv_curses_dir/include/$cf_ncuhdr_root
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -6157,38 +8149,41 @@ if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 6162 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8157 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6174: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8169: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6177: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6180: \"$ac_try\"") >&5
+  echo "$as_me:8172: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8175: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6183: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8178: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -6197,11 +8192,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:6200: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:8195: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -6216,19 +8211,19 @@ fi
 
 }
 
-echo "$as_me:6219: checking for $cf_ncuhdr_root header in include-path" >&5
+echo "$as_me:8214: checking for $cf_ncuhdr_root header in include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root header in include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
-	( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+	{ test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
 	for cf_header in $cf_header_list
 	do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 6231 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 8226 "configure"
 #include "confdefs.h"
 
 #define _XOPEN_SOURCE_EXTENDED
@@ -6237,7 +8232,7 @@ else
 
 #include <$cf_header>
 int
-main ()
+main (void)
 {
 
 #ifdef NCURSES_VERSION
@@ -6246,10 +8241,10 @@ main ()
 	make an error
 #endif
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -6259,39 +8254,39 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6263: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8258: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6266: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6269: \"$ac_try\"") >&5
+  echo "$as_me:8261: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8264: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6272: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8267: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 		test "$cf_cv_ncurses_h" != no && break
 	done
 
 fi
-echo "$as_me:6287: result: $cf_cv_ncurses_h" >&5
+echo "$as_me:8282: result: $cf_cv_ncurses_h" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h" >&6
 
 if test "$cf_cv_ncurses_h" != no ; then
 	cf_cv_ncurses_header=$cf_cv_ncurses_h
 else
 
-echo "$as_me:6294: checking for $cf_ncuhdr_root include-path" >&5
+echo "$as_me:8289: checking for $cf_ncuhdr_root include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h2+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -6306,7 +8301,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 
@@ -6314,11 +8309,11 @@ test "x$cf_header_path" != "xNONE" && \
 test -d "$cf_header_path" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_header_path"
-	test -d $cf_header_path/include &&          cf_search="$cf_search $cf_header_path/include"
-	test -d $cf_header_path/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
-	test -d $cf_header_path/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include" &&          cf_search="$cf_search $cf_header_path/include"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 			cf_header_path_list="$cf_header_path_list $cf_search"
@@ -6335,11 +8330,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $prefix"
-	test -d $prefix/include &&          cf_search="$cf_search $prefix/include"
-	test -d $prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
-	test -d $prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$prefix/include" &&          cf_search="$cf_search $prefix/include"
+	test -d "$prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
+	test -d "$prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 for cf_subdir_prefix in \
@@ -6353,13 +8348,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/include &&          cf_search="$cf_search $cf_subdir_prefix/include"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include" &&          cf_search="$cf_search $cf_subdir_prefix/include"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 done
@@ -6367,20 +8362,20 @@ done
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    cf_search="$cf_search $includedir"
-	test -d $includedir/$cf_ncuhdr_root && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
+	test -d "$includedir" &&    cf_search="$cf_search $includedir"
+	test -d "$includedir/$cf_ncuhdr_root" && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && cf_search="$cf_search $oldincludedir"
-	test -d $oldincludedir/$cf_ncuhdr_root && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
+	test -d "$oldincludedir"    && cf_search="$cf_search $oldincludedir"
+	test -d "$oldincludedir/$cf_ncuhdr_root" && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
 }
 
 cf_search="$cf_search $cf_header_path_list"
 
-	test -n "$verbose" && echo search path $cf_search
+	test -n "$verbose" && echo "search path $cf_search"
 	cf_save2_CPPFLAGS="$CPPFLAGS"
 	for cf_incdir in $cf_search
 	do
@@ -6388,9 +8383,9 @@ cf_search="$cf_search $cf_header_path_list"
 if test -n "$cf_incdir" ; then
   for cf_add_incdir in $cf_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -6407,38 +8402,41 @@ if test -n "$cf_incdir" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 6412 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8410 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6424: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8422: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6427: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6430: \"$ac_try\"") >&5
+  echo "$as_me:8425: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8428: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6433: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8431: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -6447,11 +8445,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:6450: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:8448: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -6469,21 +8467,21 @@ fi
 			curses.h
 		do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 6473 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 8471 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
 int
-main ()
+main (void)
 {
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -6493,30 +8491,30 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6497: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8495: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6500: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6503: \"$ac_try\"") >&5
+  echo "$as_me:8498: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8501: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6506: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8504: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h2=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h2=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 			if test "$cf_cv_ncurses_h2" != no ; then
 				cf_cv_ncurses_h2=$cf_incdir/$cf_header
-				test -n "$verbose" && echo $ac_n "	... found $ac_c" 1>&6
+				test -n "$verbose" && echo $ECHO_N "	... found $ECHO_C" 1>&6
 				break
 			fi
 			test -n "$verbose" && echo "	... tested $cf_incdir/$cf_header" 1>&6
@@ -6524,26 +8522,26 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		CPPFLAGS="$cf_save2_CPPFLAGS"
 		test "$cf_cv_ncurses_h2" != no && break
 	done
-	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:6527: error: not found" >&5
+	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:8525: error: not found" >&5
 echo "$as_me: error: not found" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:6532: result: $cf_cv_ncurses_h2" >&5
+echo "$as_me:8530: result: $cf_cv_ncurses_h2" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h2" >&6
 
-	cf_1st_incdir=`echo $cf_cv_ncurses_h2 | sed -e 's%/[^/]*$%%'`
-	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
-	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
-		cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+	cf_1st_incdir=`echo "$cf_cv_ncurses_h2" | sed -e 's%/[^/]*$%%'`
+	cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
+	if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
+		cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
 	fi
 
 if test -n "$cf_1st_incdir" ; then
   for cf_add_incdir in $cf_1st_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -6560,38 +8558,41 @@ if test -n "$cf_1st_incdir" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 6565 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8566 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6577: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8578: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6580: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6583: \"$ac_try\"") >&5
+  echo "$as_me:8581: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8584: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6586: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8587: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -6600,11 +8601,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:6603: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:8604: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -6621,7 +8622,7 @@ fi
 
 # Set definitions to allow ifdef'ing for ncurses.h
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (*ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -6631,7 +8632,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (ncurses/curses.h|ncurses/ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -6648,13 +8649,13 @@ EOF
 	;;
 esac
 
-echo "$as_me:6651: checking for terminfo header" >&5
+echo "$as_me:8652: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -6665,53 +8666,53 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 6669 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 8670 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <$cf_test>
 
 int
-main ()
+main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:6684: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:8685: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:6687: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:6690: \"$ac_try\"") >&5
+  echo "$as_me:8688: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:8691: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6693: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8694: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:6709: result: $cf_cv_term_header" >&5
+echo "$as_me:8710: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -6721,7 +8722,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -6744,7 +8745,7 @@ cat >>confdefs.h <<\EOF
 #define NCURSES 1
 EOF
 
-echo "$as_me:6747: checking for ncurses version" >&5
+echo "$as_me:8748: checking for ncurses version" >&5
 echo $ECHO_N "checking for ncurses version... $ECHO_C" >&6
 if test "${cf_cv_ncurses_version+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -6752,12 +8753,12 @@ else
 
 	cf_cv_ncurses_version=no
 	cf_tempfile=out$$
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 	if test "$cross_compiling" = yes; then
 
 	# This will not work if the preprocessor splits the line after the
 	# Autoconf token.  The 'unproto' program does that.
-	cat > conftest.$ac_ext <<EOF
+	cat > "conftest.$ac_ext" <<EOF
 #include <${cf_cv_ncurses_header:-curses.h}>
 #undef Autoconf
 #ifdef NCURSES_VERSION
@@ -6770,36 +8771,36 @@ Autoconf "old"
 #endif
 EOF
 	cf_try="$ac_cpp conftest.$ac_ext 2>&5 | grep '^Autoconf ' >conftest.out"
-	{ (eval echo "$as_me:6773: \"$cf_try\"") >&5
+	{ (eval echo "$as_me:8774: \"$cf_try\"") >&5
   (eval $cf_try) 2>&5
   ac_status=$?
-  echo "$as_me:6776: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:8777: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 	if test -f conftest.out ; then
-		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%'`
+		cf_out=`sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%' conftest.out`
 		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
 		rm -f conftest.out
 	fi
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 6786 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 8787 "configure"
 #include "confdefs.h"
 
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <stdio.h>
-int main()
+int main(void)
 {
 	FILE *fp = fopen("$cf_tempfile", "w");
 #ifdef NCURSES_VERSION
 # ifdef NCURSES_VERSION_PATCH
-	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+	fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
 # else
-	fprintf(fp, "%s\n", NCURSES_VERSION);
+	fprintf(fp, "%s\\n", NCURSES_VERSION);
 # endif
 #else
 # ifdef __NCURSES_H
-	fprintf(fp, "old\n");
+	fprintf(fp, "old\\n");
 # else
 	make an error
 # endif
@@ -6807,30 +8808,30 @@ int main()
 	${cf_cv_main_return:-return}(0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:6811: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:8812: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6814: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:6816: \"$ac_try\"") >&5
+  echo "$as_me:8815: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:8817: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6819: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8820: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_ncurses_version=`cat $cf_tempfile`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 
 fi
-echo "$as_me:6833: result: $cf_cv_ncurses_version" >&5
+echo "$as_me:8834: result: $cf_cv_ncurses_version" >&5
 echo "${ECHO_T}$cf_cv_ncurses_version" >&6
 test "$cf_cv_ncurses_version" = no ||
 cat >>confdefs.h <<\EOF
@@ -6843,15 +8844,15 @@ cf_nculib_root=ncursesw
 	# to link gpm.
 cf_ncurses_LIBS=""
 cf_ncurses_SAVE="$LIBS"
-echo "$as_me:6846: checking for Gpm_Open in -lgpm" >&5
+echo "$as_me:8847: checking for Gpm_Open in -lgpm" >&5
 echo $ECHO_N "checking for Gpm_Open in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_Gpm_Open+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 6854 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 8855 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -6862,46 +8863,46 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char Gpm_Open ();
 int
-main ()
+main (void)
 {
 Gpm_Open ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6873: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:8874: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6876: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6879: \"$ac_try\"") >&5
+  echo "$as_me:8877: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:8880: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6882: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8883: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_Gpm_Open=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_Gpm_Open=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:6893: result: $ac_cv_lib_gpm_Gpm_Open" >&5
+echo "$as_me:8894: result: $ac_cv_lib_gpm_Gpm_Open" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_Gpm_Open" >&6
-if test $ac_cv_lib_gpm_Gpm_Open = yes; then
-  echo "$as_me:6896: checking for initscr in -lgpm" >&5
+if test "$ac_cv_lib_gpm_Gpm_Open" = yes; then
+  echo "$as_me:8897: checking for initscr in -lgpm" >&5
 echo $ECHO_N "checking for initscr in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 6904 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 8905 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -6912,37 +8913,37 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char initscr ();
 int
-main ()
+main (void)
 {
 initscr ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6923: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:8924: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6926: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6929: \"$ac_try\"") >&5
+  echo "$as_me:8927: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:8930: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6932: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8933: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:6943: result: $ac_cv_lib_gpm_initscr" >&5
+echo "$as_me:8944: result: $ac_cv_lib_gpm_initscr" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_initscr" >&6
-if test $ac_cv_lib_gpm_initscr = yes; then
+if test "$ac_cv_lib_gpm_initscr" = yes; then
   LIBS="$cf_ncurses_SAVE"
 else
   cf_ncurses_LIBS="-lgpm"
@@ -6950,20 +8951,20 @@ fi
 
 fi
 
-case $host_os in
+case "$host_os" in
 (freebsd*)
 	# This is only necessary if you are linking against an obsolete
-	# version of ncurses (but it should do no harm, since it's static).
+	# version of ncurses (but it should do no harm, since it is static).
 	if test "$cf_nculib_root" = ncurses ; then
-		echo "$as_me:6958: checking for tgoto in -lmytinfo" >&5
+		echo "$as_me:8959: checking for tgoto in -lmytinfo" >&5
 echo $ECHO_N "checking for tgoto in -lmytinfo... $ECHO_C" >&6
 if test "${ac_cv_lib_mytinfo_tgoto+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmytinfo  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 6966 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 8967 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -6974,37 +8975,37 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char tgoto ();
 int
-main ()
+main (void)
 {
 tgoto ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:6985: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:8986: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:6988: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:6991: \"$ac_try\"") >&5
+  echo "$as_me:8989: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:8992: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:6994: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:8995: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_mytinfo_tgoto=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_mytinfo_tgoto=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:7005: result: $ac_cv_lib_mytinfo_tgoto" >&5
+echo "$as_me:9006: result: $ac_cv_lib_mytinfo_tgoto" >&5
 echo "${ECHO_T}$ac_cv_lib_mytinfo_tgoto" >&6
-if test $ac_cv_lib_mytinfo_tgoto = yes; then
+if test "$ac_cv_lib_mytinfo_tgoto" = yes; then
   cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"
 fi
 
@@ -7012,143 +9013,143 @@ fi
 	;;
 esac
 
-cf_add_libs="$cf_ncurses_LIBS"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_ncurses_LIBS; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 
-cf_add_libs="-l$cf_nculib_root"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -l$cf_nculib_root; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
 else
 
-	eval 'cf_cv_have_lib_'$cf_nculib_root'=no'
+	eval 'cf_cv_have_lib_'"$cf_nculib_root"'=no'
 	cf_libdir=""
-	echo "$as_me:7054: checking for initscr" >&5
+	echo "$as_me:9055: checking for initscr" >&5
 echo $ECHO_N "checking for initscr... $ECHO_C" >&6
 if test "${ac_cv_func_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 7060 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 9061 "configure"
 #include "confdefs.h"
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char initscr (); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
+#define initscr autoconf_temporary
+#include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
+#undef initscr
+
 #ifdef __cplusplus
 extern "C"
 #endif
+
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char initscr ();
-char (*f) ();
+char initscr (void);
 
 int
-main ()
+main (void)
 {
-/* The GNU C library defines this for functions which it implements
+
+/* The GNU C library defines stubs for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
 #if defined (__stub_initscr) || defined (__stub___initscr)
-choke me
-#else
-f = initscr; /* workaround for ICC 12.0.3 */ if (f == 0) return 1;
+#error found stub for initscr
 #endif
 
+	return initscr ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7091: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9092: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7094: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7097: \"$ac_try\"") >&5
+  echo "$as_me:9095: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9098: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7100: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9101: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:7110: result: $ac_cv_func_initscr" >&5
+echo "$as_me:9111: result: $ac_cv_func_initscr" >&5
 echo "${ECHO_T}$ac_cv_func_initscr" >&6
-if test $ac_cv_func_initscr = yes; then
-  eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+if test "$ac_cv_func_initscr" = yes; then
+  eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 else
 
 		cf_save_LIBS="$LIBS"
-		echo "$as_me:7117: checking for initscr in -l$cf_nculib_root" >&5
+		echo "$as_me:9118: checking for initscr in -l$cf_nculib_root" >&5
 echo $ECHO_N "checking for initscr in -l$cf_nculib_root... $ECHO_C" >&6
 		LIBS="-l$cf_nculib_root $LIBS"
-		cat >conftest.$ac_ext <<_ACEOF
-#line 7121 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 9122 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
 initscr()
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7133: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9134: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7136: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7139: \"$ac_try\"") >&5
+  echo "$as_me:9137: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9140: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7142: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:7144: result: yes" >&5
+  echo "$as_me:9143: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:9145: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:7151: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:9152: result: no" >&5
 echo "${ECHO_T}no" >&6
 
 cf_search=
@@ -7156,7 +9157,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 
@@ -7164,11 +9165,11 @@ test "x$cf_library_path" != "xNONE" && \
 test -d "$cf_library_path" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_library_path"
-	test -d $cf_library_path/lib &&          cf_search="$cf_search $cf_library_path/lib"
-	test -d $cf_library_path/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
-	test -d $cf_library_path/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib" &&          cf_search="$cf_search $cf_library_path/lib"
+	test -d "$cf_library_path/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 			cf_library_path_list="$cf_library_path_list $cf_search"
@@ -7183,11 +9184,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $prefix"
-	test -d $prefix/lib &&          cf_search="$cf_search $prefix/lib"
-	test -d $prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
-	test -d $prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$prefix/lib" &&          cf_search="$cf_search $prefix/lib"
+	test -d "$prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
+	test -d "$prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 for cf_subdir_prefix in \
@@ -7201,13 +9202,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/lib &&          cf_search="$cf_search $cf_subdir_prefix/lib"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib" &&          cf_search="$cf_search $cf_subdir_prefix/lib"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 done
@@ -7216,56 +9217,56 @@ cf_search="$cf_library_path_list $cf_search"
 
 			for cf_libdir in $cf_search
 			do
-				echo "$as_me:7219: checking for -l$cf_nculib_root in $cf_libdir" >&5
+				echo "$as_me:9220: checking for -l$cf_nculib_root in $cf_libdir" >&5
 echo $ECHO_N "checking for -l$cf_nculib_root in $cf_libdir... $ECHO_C" >&6
 				LIBS="-L$cf_libdir -l$cf_nculib_root $cf_save_LIBS"
-				cat >conftest.$ac_ext <<_ACEOF
-#line 7223 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 9224 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
 initscr()
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7235: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9236: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7238: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7241: \"$ac_try\"") >&5
+  echo "$as_me:9239: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9242: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7244: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:7246: result: yes" >&5
+  echo "$as_me:9245: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:9247: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 		 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 		 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 					 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:7253: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:9254: result: no" >&5
 echo "${ECHO_T}no" >&6
 					 LIBS="$cf_save_LIBS"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 			done
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
 
-eval 'cf_found_library=$cf_cv_have_lib_'$cf_nculib_root
+eval 'cf_found_library="$cf_cv_have_lib_'"$cf_nculib_root"\"
 
-if test $cf_found_library = no ; then
-	{ { echo "$as_me:7268: error: Cannot link $cf_nculib_root library" >&5
+if test "$cf_found_library" = no ; then
+	{ { echo "$as_me:9269: error: Cannot link $cf_nculib_root library" >&5
 echo "$as_me: error: Cannot link $cf_nculib_root library" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -7273,49 +9274,49 @@ fi
 fi
 
 if test -n "$cf_ncurses_LIBS" ; then
-	echo "$as_me:7276: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
+	echo "$as_me:9277: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
 echo $ECHO_N "checking if we can link $cf_nculib_root without $cf_ncurses_LIBS... $ECHO_C" >&6
 	cf_ncurses_SAVE="$LIBS"
 	for p in $cf_ncurses_LIBS ; do
-		q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
+		q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
 		if test "$q" != "$LIBS" ; then
 			LIBS="$q"
 		fi
 	done
-	cat >conftest.$ac_ext <<_ACEOF
-#line 7286 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 9287 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7298: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9299: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7301: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7304: \"$ac_try\"") >&5
+  echo "$as_me:9302: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9305: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7307: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:7309: result: yes" >&5
+  echo "$as_me:9308: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:9310: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:7314: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:9315: result: no" >&5
 echo "${ECHO_T}no" >&6
 		 LIBS="$cf_ncurses_SAVE"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
 
 cf_nculib_ROOT=`echo "HAVE_LIB$cf_nculib_root" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
@@ -7335,132 +9336,565 @@ cf_ncuconfig_root=ncurses
 cf_have_ncuconfig=no
 
 if test "x${PKG_CONFIG:=none}" != xnone; then
-	echo "$as_me:7338: checking pkg-config for $cf_ncuconfig_root" >&5
+	echo "$as_me:9339: checking pkg-config for $cf_ncuconfig_root" >&5
 echo $ECHO_N "checking pkg-config for $cf_ncuconfig_root... $ECHO_C" >&6
 	if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
-		echo "$as_me:7341: result: yes" >&5
+		echo "$as_me:9342: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 
-		echo "$as_me:7344: checking if the $cf_ncuconfig_root package files work" >&5
+		echo "$as_me:9345: checking if the $cf_ncuconfig_root package files work" >&5
 echo $ECHO_N "checking if the $cf_ncuconfig_root package files work... $ECHO_C" >&6
 		cf_have_ncuconfig=unknown
 
+		cf_save_CFLAGS="$CFLAGS"
 		cf_save_CPPFLAGS="$CPPFLAGS"
 		cf_save_LIBS="$LIBS"
 
-		CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+		cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
+
+		# while -W for passing linker flags is prevalent, it is not "standard".
+		# At least one wrapper for c89/c99 (in Apple's xcode) has its own
+		# incompatible _and_ non-standard -W option which gives an error.  Work
+		# around that pitfall.
+		case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
+		(x*c[89]9@@*-W*)
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
 
-cf_add_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
+for cf_add_cflags in $cf_pkg_cflags
 do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 7370 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 9478 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:7382: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9490: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7385: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:7388: \"$ac_try\"") >&5
+  echo "$as_me:9493: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9496: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7391: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:9499: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   if test "$cross_compiling" = yes; then
-  cf_have_ncuconfig=maybe
+  cf_test_ncuconfig=maybe
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 7397 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 9505 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
-				int main(void)
-				{ char *xx = curses_version(); return (xx == 0); }
+					int main(void)
+					{ const char *xx = curses_version(); return (xx == 0); }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:7404: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:9512: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:7407: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:7409: \"$ac_try\"") >&5
+  echo "$as_me:9515: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:9517: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7412: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  cf_have_ncuconfig=yes
+  echo "$as_me:9520: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_test_ncuconfig=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-cf_have_ncuconfig=no
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-cf_have_ncuconfig=no
+cat "conftest.$ac_ext" >&5
+cf_test_ncuconfig=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-		echo "$as_me:7429: result: $cf_have_ncuconfig" >&5
-echo "${ECHO_T}$cf_have_ncuconfig" >&6
-		test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
-		if test "$cf_have_ncuconfig" != "yes"
-		then
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+
+			CFLAGS="$cf_save_CFLAGS"
 			CPPFLAGS="$cf_save_CPPFLAGS"
 			LIBS="$cf_save_LIBS"
-			NCURSES_CONFIG_PKG=none
-		else
-
-cat >>confdefs.h <<\EOF
-#define NCURSES 1
-EOF
 
-			NCURSES_CONFIG_PKG=$cf_ncuconfig_root
-		fi
+			if test "x$cf_test_ncuconfig" != xyes; then
+				cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_cflags="$cf_temp"
+				cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[^ 	]*//g'`
+				cf_pkg_libs="$cf_temp"
+			fi
+			;;
+		esac
 
-	else
-		echo "$as_me:7447: result: no" >&5
-echo "${ECHO_T}no" >&6
-		NCURSES_CONFIG_PKG=none
-	fi
-else
-	NCURSES_CONFIG_PKG=none
-fi
+for cf_add_cflags in $cf_pkg_cflags
+do
 
-if test "x$cf_have_ncuconfig" = "xno"; then
-	echo "Looking for ${cf_ncuconfig_root}-config"
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
+
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
+fi
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $cf_pkg_cflags
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_pkg_libs; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 9713 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+int
+main (void)
+{
+initscr(); mousemask(0,0); tigetstr((char *)0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:9725: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:9728: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:9731: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:9734: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  if test "$cross_compiling" = yes; then
+  cf_have_ncuconfig=maybe
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 9740 "configure"
+#include "confdefs.h"
+#include <${cf_cv_ncurses_header:-curses.h}>
+				int main(void)
+				{ const char *xx = curses_version(); return (xx == 0); }
+_ACEOF
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:9747: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:9750: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:9752: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:9755: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_have_ncuconfig=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_have_ncuconfig=no
+fi
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_have_ncuconfig=no
+fi
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		echo "$as_me:9772: result: $cf_have_ncuconfig" >&5
+echo "${ECHO_T}$cf_have_ncuconfig" >&6
+		test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
+		if test "$cf_have_ncuconfig" != "yes"
+		then
+			CPPFLAGS="$cf_save_CPPFLAGS"
+			LIBS="$cf_save_LIBS"
+			NCURSES_CONFIG_PKG=none
+		else
+
+cat >>confdefs.h <<\EOF
+#define NCURSES 1
+EOF
+
+			NCURSES_CONFIG_PKG=$cf_ncuconfig_root
+
+echo "$as_me:9788: checking for terminfo header" >&5
+echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
+if test "${cf_cv_term_header+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+case "${cf_cv_ncurses_header}" in
+(*/ncurses.h|*/ncursesw.h)
+	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
+	;;
+(*)
+	cf_term_header=term.h
+	;;
+esac
+
+for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
+do
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 9806 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+#include <${cf_cv_ncurses_header:-curses.h}>
+#include <$cf_test>
+
+int
+main (void)
+{
+int x = auto_left_margin; (void)x
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:9821: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:9824: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:9827: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:9830: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+
+	cf_cv_term_header="$cf_test"
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+
+	cf_cv_term_header=unknown
+
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+	test "$cf_cv_term_header" != unknown && break
+done
+
+fi
+echo "$as_me:9846: result: $cf_cv_term_header" >&5
+echo "${ECHO_T}$cf_cv_term_header" >&6
+
+# Set definitions to allow ifdef'ing to accommodate subdirectories
+
+case "$cf_cv_term_header" in
+(*term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_TERM_H 1
+EOF
+
+	;;
+esac
+
+case "$cf_cv_term_header" in
+(ncurses/term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_NCURSES_TERM_H 1
+EOF
+
+	;;
+(ncursesw/term.h)
+
+cat >>confdefs.h <<\EOF
+#define HAVE_NCURSESW_TERM_H 1
+EOF
+
+	;;
+esac
+
+		fi
+
+	else
+		echo "$as_me:9881: result: no" >&5
+echo "${ECHO_T}no" >&6
+		NCURSES_CONFIG_PKG=none
+	fi
+else
+	NCURSES_CONFIG_PKG=none
+fi
+
+if test "x$cf_have_ncuconfig" = "xno"; then
+	cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
 
 if test -n "$ac_tool_prefix"; then
-  for ac_prog in ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
+  for ac_prog in ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-echo "$as_me:7463: checking for $ac_word" >&5
+echo "$as_me:9897: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -7475,7 +9909,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_NCURSES_CONFIG="$ac_tool_prefix$ac_prog"
-echo "$as_me:7478: found $ac_dir/$ac_word" >&5
+echo "$as_me:9912: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -7483,10 +9917,10 @@ fi
 fi
 NCURSES_CONFIG=$ac_cv_prog_NCURSES_CONFIG
 if test -n "$NCURSES_CONFIG"; then
-  echo "$as_me:7486: result: $NCURSES_CONFIG" >&5
+  echo "$as_me:9920: result: $NCURSES_CONFIG" >&5
 echo "${ECHO_T}$NCURSES_CONFIG" >&6
 else
-  echo "$as_me:7489: result: no" >&5
+  echo "$as_me:9923: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -7495,11 +9929,11 @@ fi
 fi
 if test -z "$NCURSES_CONFIG"; then
   ac_ct_NCURSES_CONFIG=$NCURSES_CONFIG
-  for ac_prog in ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
+  for ac_prog in ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:7502: checking for $ac_word" >&5
+echo "$as_me:9936: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_ac_ct_NCURSES_CONFIG+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -7514,7 +9948,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_ac_ct_NCURSES_CONFIG="$ac_prog"
-echo "$as_me:7517: found $ac_dir/$ac_word" >&5
+echo "$as_me:9951: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -7522,10 +9956,10 @@ fi
 fi
 ac_ct_NCURSES_CONFIG=$ac_cv_prog_ac_ct_NCURSES_CONFIG
 if test -n "$ac_ct_NCURSES_CONFIG"; then
-  echo "$as_me:7525: result: $ac_ct_NCURSES_CONFIG" >&5
+  echo "$as_me:9959: result: $ac_ct_NCURSES_CONFIG" >&5
 echo "${ECHO_T}$ac_ct_NCURSES_CONFIG" >&6
 else
-  echo "$as_me:7528: result: no" >&5
+  echo "$as_me:9962: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -7538,75 +9972,218 @@ fi
 
 	if test "$NCURSES_CONFIG" != none ; then
 
-		CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
-
-cf_add_libs="`$NCURSES_CONFIG --libs`"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
+for cf_add_cflags in `$NCURSES_CONFIG --cflags`
 do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
-			cf_add_1lib=
-			break
-		fi
-	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
-done
-LIBS="$cf_add_libs"
 
-		# even with config script, some packages use no-override for curses.h
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
 
-echo "$as_me:7561: checking if we have identified curses headers" >&5
-echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
-if test "${cf_cv_ncurses_header+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
 
-cf_cv_ncurses_header=none
-for cf_header in \
-	ncurses.h ncurses/ncurses.h \
-	curses.h ncurses/curses.h
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
+fi
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in `$NCURSES_CONFIG --cflags`
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in `$NCURSES_CONFIG --libs`; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
+			cf_add_1lib=
+			break
+		fi
+	done
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
+done
+LIBS="$cf_add_libs"
+
+		# even with config script, some packages use no-override for curses.h
+
+echo "$as_me:10138: checking if we have identified curses headers" >&5
+echo $ECHO_N "checking if we have identified curses headers... $ECHO_C" >&6
+if test "${cf_cv_ncurses_header+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_ncurses_header=none
+for cf_header in \
+	ncurses.h ncurses/ncurses.h \
+	curses.h ncurses/curses.h
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 7573 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 10150 "configure"
 #include "confdefs.h"
 #include <${cf_header}>
 int
-main ()
+main (void)
 {
 initscr(); tgoto("?", 0,0)
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:7585: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10162: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:7588: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:7591: \"$ac_try\"") >&5
+  echo "$as_me:10165: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10168: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7594: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10171: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_header=$cf_header; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 
 fi
-echo "$as_me:7605: result: $cf_cv_ncurses_header" >&5
+echo "$as_me:10182: result: $cf_cv_ncurses_header" >&5
 echo "${ECHO_T}$cf_cv_ncurses_header" >&6
 
 if test "$cf_cv_ncurses_header" = none ; then
-	{ { echo "$as_me:7609: error: No curses header-files found" >&5
+	{ { echo "$as_me:10186: error: No curses header-files found" >&5
 echo "$as_me: error: No curses header-files found" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -7616,24 +10193,24 @@ fi
 for ac_header in $cf_cv_ncurses_header
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:7619: checking for $ac_header" >&5
+echo "$as_me:10196: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 7625 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10202 "configure"
 #include "confdefs.h"
 #include <$ac_header>
 _ACEOF
-if { (eval echo "$as_me:7629: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:10206: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:7635: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:10212: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -7646,14 +10223,14 @@ if test -z "$ac_cpp_err"; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   eval "$as_ac_Header=no"
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:7654: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:10231: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -7671,7 +10248,7 @@ cf_nculib_ROOT=`echo "HAVE_LIB$cf_ncuconfig_root" | sed y%abcdefghijklmnopqrstuv
 #define $cf_nculib_ROOT 1
 EOF
 
-				cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+				cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
 
 	else
 
@@ -7683,9 +10260,9 @@ test "$cf_cv_curses_dir" != "no" && { \
 if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
   for cf_add_incdir in $cf_cv_curses_dir/include/$cf_ncuhdr_root
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -7702,38 +10279,41 @@ if test -n "$cf_cv_curses_dir/include/$cf_ncuhdr_root" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 7707 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10287 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:7719: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10299: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:7722: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:7725: \"$ac_try\"") >&5
+  echo "$as_me:10302: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10305: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7728: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10308: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -7742,11 +10322,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:7745: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:10325: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -7761,32 +10341,32 @@ fi
 
 }
 
-echo "$as_me:7764: checking for $cf_ncuhdr_root header in include-path" >&5
+echo "$as_me:10344: checking for $cf_ncuhdr_root header in include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root header in include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
 	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
-	( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+	{ test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
 	for cf_header in $cf_header_list
 	do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 7776 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 10356 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
 int
-main ()
+main (void)
 {
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -7796,39 +10376,39 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:7800: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10380: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:7803: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:7806: \"$ac_try\"") >&5
+  echo "$as_me:10383: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10386: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7809: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10389: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 		test "$cf_cv_ncurses_h" != no && break
 	done
 
 fi
-echo "$as_me:7824: result: $cf_cv_ncurses_h" >&5
+echo "$as_me:10404: result: $cf_cv_ncurses_h" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h" >&6
 
 if test "$cf_cv_ncurses_h" != no ; then
 	cf_cv_ncurses_header=$cf_cv_ncurses_h
 else
 
-echo "$as_me:7831: checking for $cf_ncuhdr_root include-path" >&5
+echo "$as_me:10411: checking for $cf_ncuhdr_root include-path" >&5
 echo $ECHO_N "checking for $cf_ncuhdr_root include-path... $ECHO_C" >&6
 if test "${cf_cv_ncurses_h2+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -7843,7 +10423,7 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
 	for cf_header_path in $CPPFLAGS $CFLAGS
 	do
-		case $cf_header_path in
+		case "$cf_header_path" in
 		(-I*)
 			cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
 
@@ -7851,11 +10431,11 @@ test "x$cf_header_path" != "xNONE" && \
 test -d "$cf_header_path" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_header_path"
-	test -d $cf_header_path/include &&          cf_search="$cf_search $cf_header_path/include"
-	test -d $cf_header_path/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
-	test -d $cf_header_path/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
-	test -d $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include" &&          cf_search="$cf_search $cf_header_path/include"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root"
+	test -d "$cf_header_path/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_header_path/include/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include"
+	test -d "$cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_header_path/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 			cf_header_path_list="$cf_header_path_list $cf_search"
@@ -7872,11 +10452,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for include-directories under $prefix"
-	test -d $prefix/include &&          cf_search="$cf_search $prefix/include"
-	test -d $prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
-	test -d $prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
-	test -d $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$prefix/include" &&          cf_search="$cf_search $prefix/include"
+	test -d "$prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $prefix/include/$cf_ncuhdr_root"
+	test -d "$prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $prefix/include/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $prefix/$cf_ncuhdr_root/include"
+	test -d "$prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 for cf_subdir_prefix in \
@@ -7890,13 +10470,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for include-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/include &&          cf_search="$cf_search $cf_subdir_prefix/include"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
-	test -d $cf_subdir_prefix/include/$cf_ncuhdr_root/include &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
-	test -d $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include" &&          cf_search="$cf_search $cf_subdir_prefix/include"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root" &&       cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root"
+	test -d "$cf_subdir_prefix/include/$cf_ncuhdr_root/include" &&    cf_search="$cf_search $cf_subdir_prefix/include/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include"
+	test -d "$cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_ncuhdr_root/include/$cf_ncuhdr_root"
 }
 
 done
@@ -7904,20 +10484,20 @@ done
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
-	test -d $includedir &&    cf_search="$cf_search $includedir"
-	test -d $includedir/$cf_ncuhdr_root && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
+	test -d "$includedir" &&    cf_search="$cf_search $includedir"
+	test -d "$includedir/$cf_ncuhdr_root" && cf_search="$cf_search $includedir/$cf_ncuhdr_root"
 }
 
 test "$oldincludedir" != NONE && \
 test "$oldincludedir" != "/usr/include" && \
 test -d "$oldincludedir" && {
-	test -d $oldincludedir    && cf_search="$cf_search $oldincludedir"
-	test -d $oldincludedir/$cf_ncuhdr_root && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
+	test -d "$oldincludedir"    && cf_search="$cf_search $oldincludedir"
+	test -d "$oldincludedir/$cf_ncuhdr_root" && cf_search="$cf_search $oldincludedir/$cf_ncuhdr_root"
 }
 
 cf_search="$cf_search $cf_header_path_list"
 
-	test -n "$verbose" && echo search path $cf_search
+	test -n "$verbose" && echo "search path $cf_search"
 	cf_save2_CPPFLAGS="$CPPFLAGS"
 	for cf_incdir in $cf_search
 	do
@@ -7925,9 +10505,9 @@ cf_search="$cf_search $cf_header_path_list"
 if test -n "$cf_incdir" ; then
   for cf_add_incdir in $cf_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -7944,38 +10524,41 @@ if test -n "$cf_incdir" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 7949 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10532 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:7961: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10544: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:7964: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:7967: \"$ac_try\"") >&5
+  echo "$as_me:10547: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10550: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:7970: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10553: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -7984,11 +10567,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:7987: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:10570: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -8006,21 +10589,21 @@ fi
 			curses.h
 		do
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 8010 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 10593 "configure"
 #include "confdefs.h"
 
 #include <$cf_header>
 int
-main ()
+main (void)
 {
 
 #ifdef NCURSES_VERSION
 
-printf("%s\n", NCURSES_VERSION);
+printf("%s\\n", NCURSES_VERSION);
 #else
 #ifdef __NCURSES_H
-printf("old\n");
+printf("old\\n");
 #else
 	make an error
 #endif
@@ -8030,30 +10613,30 @@ printf("old\n");
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8034: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10617: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8037: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8040: \"$ac_try\"") >&5
+  echo "$as_me:10620: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10623: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8043: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10626: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ncurses_h2=$cf_header
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ncurses_h2=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 			if test "$cf_cv_ncurses_h2" != no ; then
 				cf_cv_ncurses_h2=$cf_incdir/$cf_header
-				test -n "$verbose" && echo $ac_n "	... found $ac_c" 1>&6
+				test -n "$verbose" && echo $ECHO_N "	... found $ECHO_C" 1>&6
 				break
 			fi
 			test -n "$verbose" && echo "	... tested $cf_incdir/$cf_header" 1>&6
@@ -8061,26 +10644,26 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		CPPFLAGS="$cf_save2_CPPFLAGS"
 		test "$cf_cv_ncurses_h2" != no && break
 	done
-	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:8064: error: not found" >&5
+	test "$cf_cv_ncurses_h2" = no && { { echo "$as_me:10647: error: not found" >&5
 echo "$as_me: error: not found" >&2;}
    { (exit 1); exit 1; }; }
 
 fi
-echo "$as_me:8069: result: $cf_cv_ncurses_h2" >&5
+echo "$as_me:10652: result: $cf_cv_ncurses_h2" >&5
 echo "${ECHO_T}$cf_cv_ncurses_h2" >&6
 
-	cf_1st_incdir=`echo $cf_cv_ncurses_h2 | sed -e 's%/[^/]*$%%'`
-	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
-	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
-		cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+	cf_1st_incdir=`echo "$cf_cv_ncurses_h2" | sed -e 's%/[^/]*$%%'`
+	cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
+	if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
+		cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
 	fi
 
 if test -n "$cf_1st_incdir" ; then
   for cf_add_incdir in $cf_1st_incdir
   do
-	while test $cf_add_incdir != /usr/include
+	while test "$cf_add_incdir" != /usr/include
 	do
-	  if test -d $cf_add_incdir
+	  if test -d "$cf_add_incdir"
 	  then
 		cf_have_incdir=no
 		if test -n "$CFLAGS$CPPFLAGS" ; then
@@ -8097,38 +10680,41 @@ if test -n "$cf_1st_incdir" ; then
 			if test "$GCC" = yes
 			then
 			  cf_save_CPPFLAGS=$CPPFLAGS
-			  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
-			  cat >conftest.$ac_ext <<_ACEOF
-#line 8102 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-I$cf_add_incdir"
+
+			  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10688 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 printf("Hello")
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8114: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10700: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8117: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8120: \"$ac_try\"") >&5
+  echo "$as_me:10703: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10706: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8123: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10709: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_have_incdir=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			  CPPFLAGS=$cf_save_CPPFLAGS
 			fi
 		  fi
@@ -8137,11 +10723,11 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$cf_have_incdir" = no ; then
 		  test -n "$verbose" && echo "	adding $cf_add_incdir to include-path" 1>&6
 
-echo "${as_me:-configure}:8140: testing adding $cf_add_incdir to include-path ..." 1>&5
+echo "${as_me:-configure}:10726: testing adding $cf_add_incdir to include-path ..." 1>&5
 
 		  CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 
-		  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		  cf_top_incdir=`echo "$cf_add_incdir" | sed -e 's%/include/.*$%/include%'`
 		  test "$cf_top_incdir" = "$cf_add_incdir" && break
 		  cf_add_incdir="$cf_top_incdir"
 		else
@@ -8158,7 +10744,7 @@ fi
 
 # Set definitions to allow ifdef'ing for ncurses.h
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (*ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -8168,7 +10754,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_ncurses_header in
+case "$cf_cv_ncurses_header" in
 (ncurses/curses.h|ncurses/ncurses.h)
 
 cat >>confdefs.h <<\EOF
@@ -8185,13 +10771,13 @@ EOF
 	;;
 esac
 
-echo "$as_me:8188: checking for terminfo header" >&5
+echo "$as_me:10774: checking for terminfo header" >&5
 echo $ECHO_N "checking for terminfo header... $ECHO_C" >&6
 if test "${cf_cv_term_header+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-case ${cf_cv_ncurses_header} in
+case "${cf_cv_ncurses_header}" in
 (*/ncurses.h|*/ncursesw.h)
 	cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[^.]*\.h$%term.h%'`
 	;;
@@ -8202,53 +10788,53 @@ esac
 
 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
 do
-cat >conftest.$ac_ext <<_ACEOF
-#line 8206 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 10792 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <$cf_test>
 
 int
-main ()
+main (void)
 {
-int x = auto_left_margin
+int x = auto_left_margin; (void)x
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:8221: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:10807: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:8224: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:8227: \"$ac_try\"") >&5
+  echo "$as_me:10810: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:10813: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8230: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10816: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_term_header="$cf_test"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 
 	cf_cv_term_header=unknown
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	test "$cf_cv_term_header" != unknown && break
 done
 
 fi
-echo "$as_me:8246: result: $cf_cv_term_header" >&5
+echo "$as_me:10832: result: $cf_cv_term_header" >&5
 echo "${ECHO_T}$cf_cv_term_header" >&6
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (*term.h)
 
 cat >>confdefs.h <<\EOF
@@ -8258,7 +10844,7 @@ EOF
 	;;
 esac
 
-case $cf_cv_term_header in
+case "$cf_cv_term_header" in
 (ncurses/term.h)
 
 cat >>confdefs.h <<\EOF
@@ -8281,7 +10867,7 @@ cat >>confdefs.h <<\EOF
 #define NCURSES 1
 EOF
 
-echo "$as_me:8284: checking for ncurses version" >&5
+echo "$as_me:10870: checking for ncurses version" >&5
 echo $ECHO_N "checking for ncurses version... $ECHO_C" >&6
 if test "${cf_cv_ncurses_version+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -8289,12 +10875,12 @@ else
 
 	cf_cv_ncurses_version=no
 	cf_tempfile=out$$
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 	if test "$cross_compiling" = yes; then
 
 	# This will not work if the preprocessor splits the line after the
 	# Autoconf token.  The 'unproto' program does that.
-	cat > conftest.$ac_ext <<EOF
+	cat > "conftest.$ac_ext" <<EOF
 #include <${cf_cv_ncurses_header:-curses.h}>
 #undef Autoconf
 #ifdef NCURSES_VERSION
@@ -8307,36 +10893,36 @@ Autoconf "old"
 #endif
 EOF
 	cf_try="$ac_cpp conftest.$ac_ext 2>&5 | grep '^Autoconf ' >conftest.out"
-	{ (eval echo "$as_me:8310: \"$cf_try\"") >&5
+	{ (eval echo "$as_me:10896: \"$cf_try\"") >&5
   (eval $cf_try) 2>&5
   ac_status=$?
-  echo "$as_me:8313: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:10899: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 	if test -f conftest.out ; then
-		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%'`
+		cf_out=`sed -e 's%^Autoconf %%' -e 's%^[^"]*"%%' -e 's%".*%%' conftest.out`
 		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
 		rm -f conftest.out
 	fi
 
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 8323 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 10909 "configure"
 #include "confdefs.h"
 
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <stdio.h>
-int main()
+int main(void)
 {
 	FILE *fp = fopen("$cf_tempfile", "w");
 #ifdef NCURSES_VERSION
 # ifdef NCURSES_VERSION_PATCH
-	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+	fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
 # else
-	fprintf(fp, "%s\n", NCURSES_VERSION);
+	fprintf(fp, "%s\\n", NCURSES_VERSION);
 # endif
 #else
 # ifdef __NCURSES_H
-	fprintf(fp, "old\n");
+	fprintf(fp, "old\\n");
 # else
 	make an error
 # endif
@@ -8344,30 +10930,30 @@ int main()
 	${cf_cv_main_return:-return}(0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:8348: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:10934: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8351: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:8353: \"$ac_try\"") >&5
+  echo "$as_me:10937: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:10939: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8356: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:10942: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
 	cf_cv_ncurses_version=`cat $cf_tempfile`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-	rm -f $cf_tempfile
+	rm -f "$cf_tempfile"
 
 fi
-echo "$as_me:8370: result: $cf_cv_ncurses_version" >&5
+echo "$as_me:10956: result: $cf_cv_ncurses_version" >&5
 echo "${ECHO_T}$cf_cv_ncurses_version" >&6
 test "$cf_cv_ncurses_version" = no ||
 cat >>confdefs.h <<\EOF
@@ -8380,15 +10966,15 @@ cf_nculib_root=ncurses
 	# to link gpm.
 cf_ncurses_LIBS=""
 cf_ncurses_SAVE="$LIBS"
-echo "$as_me:8383: checking for Gpm_Open in -lgpm" >&5
+echo "$as_me:10969: checking for Gpm_Open in -lgpm" >&5
 echo $ECHO_N "checking for Gpm_Open in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_Gpm_Open+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 8391 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 10977 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -8399,46 +10985,46 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char Gpm_Open ();
 int
-main ()
+main (void)
 {
 Gpm_Open ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8410: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:10996: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8413: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8416: \"$ac_try\"") >&5
+  echo "$as_me:10999: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11002: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8419: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11005: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_Gpm_Open=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_Gpm_Open=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:8430: result: $ac_cv_lib_gpm_Gpm_Open" >&5
+echo "$as_me:11016: result: $ac_cv_lib_gpm_Gpm_Open" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_Gpm_Open" >&6
-if test $ac_cv_lib_gpm_Gpm_Open = yes; then
-  echo "$as_me:8433: checking for initscr in -lgpm" >&5
+if test "$ac_cv_lib_gpm_Gpm_Open" = yes; then
+  echo "$as_me:11019: checking for initscr in -lgpm" >&5
 echo $ECHO_N "checking for initscr in -lgpm... $ECHO_C" >&6
 if test "${ac_cv_lib_gpm_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgpm  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 8441 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 11027 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -8449,37 +11035,37 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char initscr ();
 int
-main ()
+main (void)
 {
 initscr ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8460: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11046: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8463: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8466: \"$ac_try\"") >&5
+  echo "$as_me:11049: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11052: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8469: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11055: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_gpm_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_gpm_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:8480: result: $ac_cv_lib_gpm_initscr" >&5
+echo "$as_me:11066: result: $ac_cv_lib_gpm_initscr" >&5
 echo "${ECHO_T}$ac_cv_lib_gpm_initscr" >&6
-if test $ac_cv_lib_gpm_initscr = yes; then
+if test "$ac_cv_lib_gpm_initscr" = yes; then
   LIBS="$cf_ncurses_SAVE"
 else
   cf_ncurses_LIBS="-lgpm"
@@ -8487,20 +11073,20 @@ fi
 
 fi
 
-case $host_os in
+case "$host_os" in
 (freebsd*)
 	# This is only necessary if you are linking against an obsolete
-	# version of ncurses (but it should do no harm, since it's static).
+	# version of ncurses (but it should do no harm, since it is static).
 	if test "$cf_nculib_root" = ncurses ; then
-		echo "$as_me:8495: checking for tgoto in -lmytinfo" >&5
+		echo "$as_me:11081: checking for tgoto in -lmytinfo" >&5
 echo $ECHO_N "checking for tgoto in -lmytinfo... $ECHO_C" >&6
 if test "${ac_cv_lib_mytinfo_tgoto+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmytinfo  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 8503 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 11089 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -8511,37 +11097,37 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char tgoto ();
 int
-main ()
+main (void)
 {
 tgoto ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8522: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11108: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8525: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8528: \"$ac_try\"") >&5
+  echo "$as_me:11111: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11114: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8531: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11117: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_mytinfo_tgoto=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_mytinfo_tgoto=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:8542: result: $ac_cv_lib_mytinfo_tgoto" >&5
+echo "$as_me:11128: result: $ac_cv_lib_mytinfo_tgoto" >&5
 echo "${ECHO_T}$ac_cv_lib_mytinfo_tgoto" >&6
-if test $ac_cv_lib_mytinfo_tgoto = yes; then
+if test "$ac_cv_lib_mytinfo_tgoto" = yes; then
   cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"
 fi
 
@@ -8549,143 +11135,143 @@ fi
 	;;
 esac
 
-cf_add_libs="$cf_ncurses_LIBS"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in $cf_ncurses_LIBS; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
 then
 
-cf_add_libs="-l$cf_nculib_root"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -l$cf_nculib_root; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
 else
 
-	eval 'cf_cv_have_lib_'$cf_nculib_root'=no'
+	eval 'cf_cv_have_lib_'"$cf_nculib_root"'=no'
 	cf_libdir=""
-	echo "$as_me:8591: checking for initscr" >&5
+	echo "$as_me:11177: checking for initscr" >&5
 echo $ECHO_N "checking for initscr... $ECHO_C" >&6
 if test "${ac_cv_func_initscr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 8597 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 11183 "configure"
 #include "confdefs.h"
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char initscr (); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
+#define initscr autoconf_temporary
+#include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
+#undef initscr
+
 #ifdef __cplusplus
 extern "C"
 #endif
+
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char initscr ();
-char (*f) ();
+char initscr (void);
 
 int
-main ()
+main (void)
 {
-/* The GNU C library defines this for functions which it implements
+
+/* The GNU C library defines stubs for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
 #if defined (__stub_initscr) || defined (__stub___initscr)
-choke me
-#else
-f = initscr; /* workaround for ICC 12.0.3 */ if (f == 0) return 1;
+#error found stub for initscr
 #endif
 
+	return initscr ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8628: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11214: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8631: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8634: \"$ac_try\"") >&5
+  echo "$as_me:11217: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11220: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8637: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11223: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_initscr=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_initscr=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:8647: result: $ac_cv_func_initscr" >&5
+echo "$as_me:11233: result: $ac_cv_func_initscr" >&5
 echo "${ECHO_T}$ac_cv_func_initscr" >&6
-if test $ac_cv_func_initscr = yes; then
-  eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+if test "$ac_cv_func_initscr" = yes; then
+  eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 else
 
 		cf_save_LIBS="$LIBS"
-		echo "$as_me:8654: checking for initscr in -l$cf_nculib_root" >&5
+		echo "$as_me:11240: checking for initscr in -l$cf_nculib_root" >&5
 echo $ECHO_N "checking for initscr in -l$cf_nculib_root... $ECHO_C" >&6
 		LIBS="-l$cf_nculib_root $LIBS"
-		cat >conftest.$ac_ext <<_ACEOF
-#line 8658 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 11244 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
 initscr()
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8670: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11256: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8673: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8676: \"$ac_try\"") >&5
+  echo "$as_me:11259: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11262: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8679: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:8681: result: yes" >&5
+  echo "$as_me:11265: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:11267: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:8688: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:11274: result: no" >&5
 echo "${ECHO_T}no" >&6
 
 cf_search=
@@ -8693,7 +11279,7 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
 	for cf_library_path in $LDFLAGS $LIBS
 	do
-		case $cf_library_path in
+		case "$cf_library_path" in
 		(-L*)
 			cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
 
@@ -8701,11 +11287,11 @@ test "x$cf_library_path" != "xNONE" && \
 test -d "$cf_library_path" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_library_path"
-	test -d $cf_library_path/lib &&          cf_search="$cf_search $cf_library_path/lib"
-	test -d $cf_library_path/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
-	test -d $cf_library_path/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
-	test -d $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib" &&          cf_search="$cf_search $cf_library_path/lib"
+	test -d "$cf_library_path/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root"
+	test -d "$cf_library_path/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_library_path/lib/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib"
+	test -d "$cf_library_path/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_library_path/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 			cf_library_path_list="$cf_library_path_list $cf_search"
@@ -8720,11 +11306,11 @@ test "x$prefix" != "xNONE" && \
 test -d "$prefix" && \
  {
 	test -n "$verbose" && echo "	... testing for lib-directories under $prefix"
-	test -d $prefix/lib &&          cf_search="$cf_search $prefix/lib"
-	test -d $prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
-	test -d $prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
-	test -d $prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$prefix/lib" &&          cf_search="$cf_search $prefix/lib"
+	test -d "$prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $prefix/lib/$cf_nculib_root"
+	test -d "$prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $prefix/lib/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $prefix/$cf_nculib_root/lib"
+	test -d "$prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 for cf_subdir_prefix in \
@@ -8738,13 +11324,13 @@ do
 
 test "x$cf_subdir_prefix" != "x$prefix" && \
 test -d "$cf_subdir_prefix" && \
-(test -z "$prefix" || test x$prefix = xNONE || test "x$cf_subdir_prefix" != "x$prefix") && {
+{ test -z "$prefix" || test "x$prefix" = xNONE || test "x$cf_subdir_prefix" != "x$prefix"; } && {
 	test -n "$verbose" && echo "	... testing for lib-directories under $cf_subdir_prefix"
-	test -d $cf_subdir_prefix/lib &&          cf_search="$cf_search $cf_subdir_prefix/lib"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
-	test -d $cf_subdir_prefix/lib/$cf_nculib_root/lib &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
-	test -d $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib" &&          cf_search="$cf_search $cf_subdir_prefix/lib"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root" &&       cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root"
+	test -d "$cf_subdir_prefix/lib/$cf_nculib_root/lib" &&    cf_search="$cf_search $cf_subdir_prefix/lib/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib" &&       cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib"
+	test -d "$cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root" &&    cf_search="$cf_search $cf_subdir_prefix/$cf_nculib_root/lib/$cf_nculib_root"
 }
 
 done
@@ -8753,56 +11339,56 @@ cf_search="$cf_library_path_list $cf_search"
 
 			for cf_libdir in $cf_search
 			do
-				echo "$as_me:8756: checking for -l$cf_nculib_root in $cf_libdir" >&5
+				echo "$as_me:11342: checking for -l$cf_nculib_root in $cf_libdir" >&5
 echo $ECHO_N "checking for -l$cf_nculib_root in $cf_libdir... $ECHO_C" >&6
 				LIBS="-L$cf_libdir -l$cf_nculib_root $cf_save_LIBS"
-				cat >conftest.$ac_ext <<_ACEOF
-#line 8760 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 11346 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
 initscr()
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8772: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11358: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8775: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8778: \"$ac_try\"") >&5
+  echo "$as_me:11361: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11364: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8781: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:8783: result: yes" >&5
+  echo "$as_me:11367: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:11369: result: yes" >&5
 echo "${ECHO_T}yes" >&6
-			 		 eval 'cf_cv_have_lib_'$cf_nculib_root'=yes'
+			 		 eval 'cf_cv_have_lib_'"$cf_nculib_root"'=yes'
 					 break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:8790: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:11376: result: no" >&5
 echo "${ECHO_T}no" >&6
 					 LIBS="$cf_save_LIBS"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 			done
 
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 
 fi
 
-eval 'cf_found_library=$cf_cv_have_lib_'$cf_nculib_root
+eval 'cf_found_library="$cf_cv_have_lib_'"$cf_nculib_root"\"
 
-if test $cf_found_library = no ; then
-	{ { echo "$as_me:8805: error: Cannot link $cf_nculib_root library" >&5
+if test "$cf_found_library" = no ; then
+	{ { echo "$as_me:11391: error: Cannot link $cf_nculib_root library" >&5
 echo "$as_me: error: Cannot link $cf_nculib_root library" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -8810,49 +11396,49 @@ fi
 fi
 
 if test -n "$cf_ncurses_LIBS" ; then
-	echo "$as_me:8813: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
+	echo "$as_me:11399: checking if we can link $cf_nculib_root without $cf_ncurses_LIBS" >&5
 echo $ECHO_N "checking if we can link $cf_nculib_root without $cf_ncurses_LIBS... $ECHO_C" >&6
 	cf_ncurses_SAVE="$LIBS"
 	for p in $cf_ncurses_LIBS ; do
-		q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
+		q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
 		if test "$q" != "$LIBS" ; then
 			LIBS="$q"
 		fi
 	done
-	cat >conftest.$ac_ext <<_ACEOF
-#line 8823 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 11409 "configure"
 #include "confdefs.h"
 #include <${cf_cv_ncurses_header:-curses.h}>
 int
-main ()
+main (void)
 {
-initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);
+initscr(); mousemask(0,0); tigetstr((char *)0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:8835: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11421: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:8838: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:8841: \"$ac_try\"") >&5
+  echo "$as_me:11424: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11427: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:8844: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  echo "$as_me:8846: result: yes" >&5
+  echo "$as_me:11430: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  echo "$as_me:11432: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-echo "$as_me:8851: result: no" >&5
+cat "conftest.$ac_ext" >&5
+echo "$as_me:11437: result: no" >&5
 echo "${ECHO_T}no" >&6
 		 LIBS="$cf_ncurses_SAVE"
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
 
 cf_nculib_ROOT=`echo "HAVE_LIB$cf_nculib_root" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
@@ -8901,13 +11487,13 @@ else
 	AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
 CF_EOF
 		cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
-		{ (eval echo "$as_me:8904: \"$cf_try\"") >&5
+		{ (eval echo "$as_me:11490: \"$cf_try\"") >&5
   (eval $cf_try) 2>&5
   ac_status=$?
-  echo "$as_me:8907: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  echo "$as_me:11493: \$? = $ac_status" >&5
+  (exit "$ac_status"); }
 		if test -f conftest.out ; then
-			cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[ 	][ 	]*//"`
+			cf_result=`sed -e "s/^.*AUTOCONF_${cf_name}[ 	][ 	]*//" conftest.out`
 			eval NCURSES_$cf_name=\"$cf_result\"
 			# cat conftest.$ac_ext
 			# cat conftest.out
@@ -8922,10 +11508,10 @@ cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
 
 cf_cv_timestamp=`date`
 
-echo "$as_me:8925: result: Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp)" >&5
+echo "$as_me:11511: result: Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp)" >&5
 echo "${ECHO_T}Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp)" >&6
 
-echo "$as_me:8928: checking if you want to have a library-prefix" >&5
+echo "$as_me:11514: checking if you want to have a library-prefix" >&5
 echo $ECHO_N "checking if you want to have a library-prefix... $ECHO_C" >&6
 
 # Check whether --with-lib-prefix or --without-lib-prefix was given.
@@ -8935,14 +11521,21 @@ if test "${with_lib_prefix+set}" = set; then
 else
   with_lib_prefix=auto
 fi;
-echo "$as_me:8938: result: $with_lib_prefix" >&5
+echo "$as_me:11524: result: $with_lib_prefix" >&5
 echo "${ECHO_T}$with_lib_prefix" >&6
 
-if test $with_lib_prefix = auto
+if test "$with_lib_prefix" = auto
 then
 
-	case $cf_cv_system_name in
+	case "$cf_cv_system_name" in
 	(OS/2*|os2*)
+		if test "$DFT_LWR_MODEL" = libtool; then
+			LIB_PREFIX='lib'
+		else
+			LIB_PREFIX=''
+		fi
+		;;
+	(*-msvc*)
 		LIB_PREFIX=''
 		;;
 	(*)	LIB_PREFIX='lib'
@@ -8950,7 +11543,7 @@ then
 	esac
 cf_prefix=$LIB_PREFIX
 
-elif test $with_lib_prefix = no
+elif test "$with_lib_prefix" = no
 then
 	LIB_PREFIX=
 else
@@ -8966,7 +11559,7 @@ if test X"$CC_G_OPT" = X"" ; then
 	test -n "$GCC" && test "${ac_cv_prog_cc_g}" != yes && CC_G_OPT=''
 fi
 
-echo "$as_me:8969: checking for default loader flags" >&5
+echo "$as_me:11562: checking for default loader flags" >&5
 echo $ECHO_N "checking for default loader flags... $ECHO_C" >&6
 case $DFT_LWR_MODEL in
 (normal)  LD_MODEL=''   ;;
@@ -8974,103 +11567,106 @@ case $DFT_LWR_MODEL in
 (profile) LD_MODEL='-pg';;
 (shared)  LD_MODEL=''   ;;
 esac
-echo "$as_me:8977: result: $LD_MODEL" >&5
+echo "$as_me:11570: result: $LD_MODEL" >&5
 echo "${ECHO_T}$LD_MODEL" >&6
 
 LD_RPATH_OPT=
-echo "$as_me:8981: checking for an rpath option" >&5
+if test "x$cf_cv_enable_rpath" != xno
+then
+	echo "$as_me:11576: checking for an rpath option" >&5
 echo $ECHO_N "checking for an rpath option... $ECHO_C" >&6
-case $cf_cv_system_name in
-(irix*)
-	if test "$GCC" = yes; then
+	case "$cf_cv_system_name" in
+	(irix*)
+		if test "$GCC" = yes; then
+			LD_RPATH_OPT="-Wl,-rpath,"
+		else
+			LD_RPATH_OPT="-rpath "
+		fi
+		;;
+	(linux*|gnu*|k*bsd*-gnu|freebsd*)
 		LD_RPATH_OPT="-Wl,-rpath,"
-	else
+		;;
+	(openbsd[2-9].*|mirbsd*)
+		LD_RPATH_OPT="-Wl,-rpath,"
+		;;
+	(dragonfly*)
 		LD_RPATH_OPT="-rpath "
-	fi
-	;;
-(linux*|gnu*|k*bsd*-gnu)
-	LD_RPATH_OPT="-Wl,-rpath,"
-	;;
-(openbsd[2-9].*|mirbsd*)
-	LD_RPATH_OPT="-Wl,-rpath,"
-	;;
-(dragonfly*|freebsd*)
-	LD_RPATH_OPT="-rpath "
-	;;
-(netbsd*)
-	LD_RPATH_OPT="-Wl,-rpath,"
-	;;
-(osf*|mls+*)
-	LD_RPATH_OPT="-rpath "
-	;;
-(solaris2*)
-	LD_RPATH_OPT="-R"
-	;;
-(*)
-	;;
-esac
-echo "$as_me:9012: result: $LD_RPATH_OPT" >&5
+		;;
+	(netbsd*)
+		LD_RPATH_OPT="-Wl,-rpath,"
+		;;
+	(osf*|mls+*)
+		LD_RPATH_OPT="-rpath "
+		;;
+	(solaris2*)
+		LD_RPATH_OPT="-R"
+		;;
+	(*)
+		;;
+	esac
+	echo "$as_me:11607: result: $LD_RPATH_OPT" >&5
 echo "${ECHO_T}$LD_RPATH_OPT" >&6
 
-case "x$LD_RPATH_OPT" in
-(x-R*)
-	echo "$as_me:9017: checking if we need a space after rpath option" >&5
+	case "x$LD_RPATH_OPT" in
+	(x-R*)
+		echo "$as_me:11612: checking if we need a space after rpath option" >&5
 echo $ECHO_N "checking if we need a space after rpath option... $ECHO_C" >&6
-	cf_save_LIBS="$LIBS"
+		cf_save_LIBS="$LIBS"
 
-cf_add_libs="${LD_RPATH_OPT}$libdir"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in ${LD_RPATH_OPT}$libdir; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 9038 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 11633 "configure"
 #include "confdefs.h"
 
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9050: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11645: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9053: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9056: \"$ac_try\"") >&5
+  echo "$as_me:11648: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11651: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9059: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11654: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_rpath_space=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_rpath_space=yes
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
-	LIBS="$cf_save_LIBS"
-	echo "$as_me:9069: result: $cf_rpath_space" >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
+		LIBS="$cf_save_LIBS"
+		echo "$as_me:11664: result: $cf_rpath_space" >&5
 echo "${ECHO_T}$cf_rpath_space" >&6
-	test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
-	;;
-esac
+		test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
+		;;
+	esac
+fi
 
 	RM_SHARED_OPTS=
 	LOCAL_LDFLAGS=
@@ -9087,14 +11683,14 @@ esac
 	cf_ld_rpath_opt=
 	test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
 
-	echo "$as_me:9090: checking if release/abi version should be used for shared libs" >&5
+	echo "$as_me:11686: checking if release/abi version should be used for shared libs" >&5
 echo $ECHO_N "checking if release/abi version should be used for shared libs... $ECHO_C" >&6
 
 # Check whether --with-shlib-version or --without-shlib-version was given.
 if test "${with_shlib_version+set}" = set; then
   withval="$with_shlib_version"
   test -z "$withval" && withval=auto
-	case $withval in
+	case "$withval" in
 	(yes)
 		cf_cv_shlib_version=auto
 		;;
@@ -9102,9 +11698,9 @@ if test "${with_shlib_version+set}" = set; then
 		cf_cv_shlib_version=$withval
 		;;
 	(*)
-		echo "$as_me:9105: result: $withval" >&5
+		echo "$as_me:11701: result: $withval" >&5
 echo "${ECHO_T}$withval" >&6
-		{ { echo "$as_me:9107: error: option value must be one of: rel, abi, or auto" >&5
+		{ { echo "$as_me:11703: error: option value must be one of: rel, abi, or auto" >&5
 echo "$as_me: error: option value must be one of: rel, abi, or auto" >&2;}
    { (exit 1); exit 1; }; }
 		;;
@@ -9113,7 +11709,7 @@ echo "$as_me: error: option value must be one of: rel, abi, or auto" >&2;}
 else
   cf_cv_shlib_version=auto
 fi;
-	echo "$as_me:9116: result: $cf_cv_shlib_version" >&5
+	echo "$as_me:11712: result: $cf_cv_shlib_version" >&5
 echo "${ECHO_T}$cf_cv_shlib_version" >&6
 
 	cf_cv_rm_so_locs=no
@@ -9121,65 +11717,78 @@ echo "${ECHO_T}$cf_cv_shlib_version" >&6
 
 	# Some less-capable ports of gcc support only -fpic
 	CC_SHARED_OPTS=
+
+	cf_try_fPIC=no
 	if test "$GCC" = yes
 	then
-		echo "$as_me:9126: checking which $CC option to use" >&5
+		cf_try_fPIC=yes
+	else
+		case "$cf_cv_system_name" in
+		(*linux*)	# e.g., PGI compiler
+			cf_try_fPIC=yes
+			;;
+		esac
+	fi
+
+	if test "$cf_try_fPIC" = yes
+	then
+		echo "$as_me:11735: checking which $CC option to use" >&5
 echo $ECHO_N "checking which $CC option to use... $ECHO_C" >&6
 		cf_save_CFLAGS="$CFLAGS"
 		for CC_SHARED_OPTS in -fPIC -fpic ''
 		do
 			CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
-			cat >conftest.$ac_ext <<_ACEOF
-#line 9133 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 11742 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 int x = 1
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9145: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:11754: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9148: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9151: \"$ac_try\"") >&5
+  echo "$as_me:11757: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:11760: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9154: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11763: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 		done
-		echo "$as_me:9163: result: $CC_SHARED_OPTS" >&5
+		echo "$as_me:11772: result: $CC_SHARED_OPTS" >&5
 echo "${ECHO_T}$CC_SHARED_OPTS" >&6
 		CFLAGS="$cf_save_CFLAGS"
 	fi
 
 	cf_cv_shlib_version_infix=no
 
-	case $cf_cv_system_name in
+	case "$cf_cv_system_name" in
 	(aix4.3-9*|aix[5-7]*)
 		if test "$GCC" = yes; then
 			CC_SHARED_OPTS='-Wl,-brtl'
-			MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o $@'
 		else
 			CC_SHARED_OPTS='-brtl'
 			# as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
-			MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o $@'
 		fi
 		;;
 	(beos*)
-		MK_SHARED_LIB='${CC} ${CFLAGS} -o $@ -Xlinker -soname=`basename $@` -nostart -e 0'
+		MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $@ -Xlinker -soname=`basename $@` -nostart -e 0'
 		;;
 	(cygwin*)
 		CC_SHARED_OPTS=
@@ -9199,7 +11808,7 @@ echo "${ECHO_T}$CC_SHARED_OPTS" >&6
 		** SHARED_LIB \$SHARED_LIB
 		** IMPORT_LIB \$IMPORT_LIB
 EOF
-		exec \$* -shared -Wl,--out-implib=\${IMPORT_LIB} -Wl,--export-all-symbols -o \${SHARED_LIB}
+		exec \$* ${LDFLAGS} -shared -Wl,--out-implib=\${IMPORT_LIB} -Wl,--export-all-symbols -o \${SHARED_LIB}
 CF_EOF
 		chmod +x mk_shared_lib.sh
 		;;
@@ -9221,17 +11830,17 @@ CF_EOF
 		** SHARED_LIB \$SHARED_LIB
 		** IMPORT_LIB \$IMPORT_LIB
 EOF
-		exec \$* -shared -Wl,--out-implib=\${IMPORT_LIB} -Wl,--export-all-symbols -o \${SHARED_LIB}
+		exec \$* ${LDFLAGS} -shared -Wl,--out-implib=\${IMPORT_LIB} -Wl,--export-all-symbols -o \${SHARED_LIB}
 CF_EOF
 		chmod +x mk_shared_lib.sh
 		;;
 	(darwin*)
 		cf_try_cflags="no-cpp-precomp"
 		CC_SHARED_OPTS="-dynamic"
-		MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $@` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $@'
+		MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $@` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $@'
 		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
 		cf_cv_shlib_version_infix=yes
-		echo "$as_me:9234: checking if ld -search_paths_first works" >&5
+		echo "$as_me:11843: checking if ld -search_paths_first works" >&5
 echo $ECHO_N "checking if ld -search_paths_first works... $ECHO_C" >&6
 if test "${cf_cv_ldflags_search_paths_first+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -9239,51 +11848,62 @@ else
 
 			cf_save_LDFLAGS=$LDFLAGS
 			LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
-			cat >conftest.$ac_ext <<_ACEOF
-#line 9243 "configure"
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 11852 "configure"
 #include "confdefs.h"
 
 int
-main ()
+main (void)
 {
 int i;
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:9255: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:11864: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:9258: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:9261: \"$ac_try\"") >&5
+  echo "$as_me:11867: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:11870: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9264: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:11873: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_ldflags_search_paths_first=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_ldflags_search_paths_first=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 				LDFLAGS=$cf_save_LDFLAGS
 fi
-echo "$as_me:9275: result: $cf_cv_ldflags_search_paths_first" >&5
+echo "$as_me:11884: result: $cf_cv_ldflags_search_paths_first" >&5
 echo "${ECHO_T}$cf_cv_ldflags_search_paths_first" >&6
-		if test $cf_cv_ldflags_search_paths_first = yes; then
+		if test "$cf_cv_ldflags_search_paths_first" = yes; then
 			LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
 		fi
 		;;
+	(haiku*)
+
+	test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
+	if test "$cf_cv_shlib_version" = rel; then
+		cf_cv_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
+	else
+		cf_cv_shared_soname='`basename $@`'
+	fi
+
+		MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $@'
+		;;
 	(hpux[7-8]*)
 		# HP-UX 8.07 ld lacks "+b" option used for libdir search-list
 		if test "$GCC" != yes; then
 			CC_SHARED_OPTS='+Z'
 		fi
-		MK_SHARED_LIB='${LD} -b -o $@'
+		MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $@'
 		INSTALL_LIB="-m 555"
 		;;
 	(hpux*)
@@ -9294,7 +11914,7 @@ echo "${ECHO_T}$cf_cv_ldflags_search_paths_first" >&6
 			CC_SHARED_OPTS='+Z'
 			LD_SHARED_OPTS='-Wl,+b,${libdir}'
 		fi
-		MK_SHARED_LIB='${LD} +b ${libdir} -b -o $@'
+		MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $@'
 		# HP-UX shared libraries must be executable, and should be
 		# readonly to exploit a quirk in the memory manager.
 		INSTALL_LIB="-m 555"
@@ -9302,12 +11922,12 @@ echo "${ECHO_T}$cf_cv_ldflags_search_paths_first" >&6
 	(interix*)
 		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
 		if test "$cf_cv_shlib_version" = rel; then
-			cf_shared_soname='`basename  .${REL_VERSION}`.${ABI_VERSION}'
+			cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
 		else
-			cf_shared_soname='`basename `'
+			cf_shared_soname='`basename $@`'
 		fi
 		CC_SHARED_OPTS=
-		MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o '
+		MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
 		;;
 	(irix*)
 		if test "$cf_cv_enable_rpath" = yes ; then
@@ -9316,14 +11936,14 @@ echo "${ECHO_T}$cf_cv_ldflags_search_paths_first" >&6
 		# tested with IRIX 5.2 and 'cc'.
 		if test "$GCC" != yes; then
 			CC_SHARED_OPTS='-KPIC'
-			MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $@` -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $@` -o $@'
 		else
-			MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $@` -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $@` -o $@'
 		fi
 		cf_cv_rm_so_locs=yes
 		;;
 	(linux*|gnu*|k*bsd*-gnu)
-		if test "$DFT_LWR_MODEL" = "shared" ; then
+		if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
 			LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
 			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
 		fi
@@ -9338,7 +11958,113 @@ echo "${ECHO_T}$cf_cv_ldflags_search_paths_first" >&6
 		cf_cv_shared_soname='`basename $@`'
 	fi
 
-		MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $@'
+		MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $@'
+		;;
+	(mingw*msvc*)
+		cf_cv_shlib_version=msvcdll
+		cf_cv_shlib_version_infix=msvcdll
+		shlibdir=$bindir
+		MAKE_DLLS=
+		if test "$DFT_LWR_MODEL" = "shared" ; then
+			LOCAL_LDFLAGS="-link -dll"
+			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+			EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
+		fi
+		CC_SHARED_OPTS=
+		MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh $@ ${LD} ${CFLAGS}'
+		RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
+		cat >mk_shared_lib.sh <<-CF_EOF
+		#!$SHELL
+		SHARED_LIB=\$1
+		IMPORT_LIB=\`echo "\$1" | sed -e 's/[0-9]*\.dll$/.dll.lib/'\`
+		shift
+		my_ld=\$1
+		shift
+		cat <<-EOF
+		Linking shared library
+		** SHARED LIB \$SHARED_LIB
+		** IMPORT_LIB \$IMPORT_LIB
+EOF
+		args=\$(echo \$* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
+		exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
+		mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
+CF_EOF
+		chmod +x mk_shared_lib.sh
+		cat >mk_prog.sh <<-CF_EOF
+		#!$SHELL
+		shift
+		# Ignore first argument (compiler) and use LD (link.exe) unconditionally
+		LD="$LD"
+		clopts=()
+		ldopts=("/subsystem:console")
+		libs=()
+		isdll=0
+		while test \$# -gt 0; do
+			case "\$1" in
+				-link)
+					# ignore -link argument
+					;;
+				-M[TD] | -M[TD]d)
+					# ignore runtime-library option
+					;;
+				-dll)
+					isdll=1
+					;;
+				-W* | -w*)
+					# ignore warnings
+					;;
+				-D*)
+					clopts+=("\$1")
+					;;
+				-I*)
+					clopts+=("\$1")
+					;;
+				-l*)
+					libs+=("\`echo \"\$1\" | sed \"s/^-l//\"\`")
+					;;
+				-L*)
+					ldopts+=("\`echo \"\$1\" | sed \"s/^-L/-LIBPATH:/\"\`")
+					;;
+				*.obj | *.o)
+					ldopts+=("\$1")
+					;;
+				-Wl,*)
+					for linkarg in \`echo '\$1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
+						ldopts+=("\${linkarg}")
+					done
+					;;
+				*.lib)
+					ldopts+=("\$1")
+					;;
+				-o)
+					shift
+					ldopts+=("-out:\$1")
+					;;
+				*)
+					clopts+=("\$1")
+					ldopts+=("\$1")
+					;;
+			esac
+			shift
+		done
+		if [ "\$isdll" -ne 0 ]; then
+			for lib in \${libs[*]}; do
+				ldopts+=("\$lib.dll.lib")
+			done
+		else
+			for lib in \${libs[*]}; do
+				ldopts+=("\$lib.lib")
+			done
+		fi
+		cat <<-EOF
+		Creating program
+		** ld options:   "\${ldopts[@]}"
+EOF
+		exec \$LD \${ldopts[@]}
+CF_EOF
+		chmod +x mk_prog.sh
+		LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
+		LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
 		;;
 	(mingw*)
 		cf_cv_shlib_version=mingw
@@ -9363,12 +12089,12 @@ echo "${ECHO_T}$cf_cv_ldflags_search_paths_first" >&6
 		** SHARED_LIB \$SHARED_LIB
 		** IMPORT_LIB \$IMPORT_LIB
 EOF
-		exec \$* -shared -Wl,--enable-auto-import,--out-implib=\${IMPORT_LIB} -Wl,--export-all-symbols -o \${SHARED_LIB}
+		exec \$* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\${IMPORT_LIB} -Wl,--export-all-symbols -o \${SHARED_LIB}
 CF_EOF
 		chmod +x mk_shared_lib.sh
 		;;
 	(openbsd[2-9].*|mirbsd*)
-		if test "$DFT_LWR_MODEL" = "shared" ; then
+		if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
 			LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
 			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
 		fi
@@ -9384,11 +12110,19 @@ CF_EOF
 		cf_cv_shared_soname='`basename $@`'
 	fi
 
-		MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $@'
+		MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $@'
+		;;
+	(nskJ*)
+		CC_SHARED_OPTS=
+		MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $@'
+		;;
+	(nskL*)
+		CC_SHARED_OPTS=
+		MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $@'
 		;;
 	(nto-qnx*|openbsd*|freebsd[12].*)
 		CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
-		MK_SHARED_LIB='${LD} -Bshareable -o $@'
+		MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $@'
 		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
 		;;
 	(dragonfly*|freebsd*)
@@ -9406,7 +12140,7 @@ CF_EOF
 		cf_cv_shared_soname='`basename $@`'
 	fi
 
-		MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $@'
+		MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $@'
 		;;
 	(netbsd*)
 		CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
@@ -9429,23 +12163,23 @@ CF_EOF
 		cf_cv_shared_soname='`basename $@`'
 	fi
 
-			MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $@'
 		else
-			MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $@'
 		fi
 		;;
 	(osf*|mls+*)
 		# tested with OSF/1 V3.2 and 'cc'
 		# tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
 		# link with shared libs).
-		MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $@`'
-		case $host_os in
+		MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $@`'
+		case "$host_os" in
 		(osf4*)
 			MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
 			;;
 		esac
 		MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $@'
-		if test "$DFT_LWR_MODEL" = "shared" ; then
+		if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
 			LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
 			LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
 		fi
@@ -9456,7 +12190,7 @@ CF_EOF
 		if test "$GCC" != yes; then
 			CC_SHARED_OPTS='-belf -KPIC'
 		fi
-		MK_SHARED_LIB='${LD} -dy -G -h `basename $@ .${REL_VERSION}`.${ABI_VERSION} -o $@'
+		MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $@ .${REL_VERSION}`.${ABI_VERSION} -o $@'
 		if test "$cf_cv_enable_rpath" = yes ; then
 			# only way is to set LD_RUN_PATH but no switch for it
 			RUN_PATH=$libdir
@@ -9470,7 +12204,7 @@ CF_EOF
 		if test "$GCC" != yes; then
 			CC_SHARED_OPTS='-KPIC'
 		fi
-		MK_SHARED_LIB='${LD} -assert pure-text -o $@'
+		MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $@'
 		test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
 		;;
 	(solaris2*)
@@ -9496,42 +12230,42 @@ CF_EOF
 			for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
 			do
 				CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
-				cat >conftest.$ac_ext <<_ACEOF
-#line 9500 "configure"
+				cat >"conftest.$ac_ext" <<_ACEOF
+#line 12234 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
-printf("Hello\n");
+printf("Hello\\n");
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9512: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12246: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9515: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9518: \"$ac_try\"") >&5
+  echo "$as_me:12249: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12252: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9521: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12255: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 			done
 			CFLAGS="$cf_save_CFLAGS"
 			CC_SHARED_OPTS=$cf_shared_opts
-			MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $@'
 		else
-			MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $@'
+			MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $@'
 		fi
 		;;
 	(sysv5uw7*|unix_sv*)
@@ -9539,7 +12273,7 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		if test "$GCC" != yes; then
 			CC_SHARED_OPTS='-KPIC'
 		fi
-		MK_SHARED_LIB='${LD} -d y -G -o $@'
+		MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o $@'
 		;;
 	(*)
 		CC_SHARED_OPTS='unknown'
@@ -9555,7 +12289,7 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 			test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
 			;;
 		(*)
-			{ echo "$as_me:9558: WARNING: ignored --with-shlib-version" >&5
+			{ echo "$as_me:12292: WARNING: ignored --with-shlib-version" >&5
 echo "$as_me: WARNING: ignored --with-shlib-version" >&2;}
 			;;
 		esac
@@ -9565,11 +12299,11 @@ echo "$as_me: WARNING: ignored --with-shlib-version" >&2;}
 	if test -n "$cf_try_cflags"
 	then
 cat > conftest.$ac_ext <<EOF
-#line 9568 "${as_me:-configure}"
+#line 12302 "${as_me:-configure}"
 #include <stdio.h>
 int main(int argc, char *argv[])
 {
-	printf("hello\n");
+	printf("hello\\n");
 	return (argv[argc-1] == 0) ;
 }
 EOF
@@ -9577,18 +12311,18 @@ EOF
 		for cf_opt in $cf_try_cflags
 		do
 			CFLAGS="$cf_save_CFLAGS -$cf_opt"
-			echo "$as_me:9580: checking if CFLAGS option -$cf_opt works" >&5
+			echo "$as_me:12314: checking if CFLAGS option -$cf_opt works" >&5
 echo $ECHO_N "checking if CFLAGS option -$cf_opt works... $ECHO_C" >&6
-			if { (eval echo "$as_me:9582: \"$ac_compile\"") >&5
+			if { (eval echo "$as_me:12316: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9585: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-				echo "$as_me:9587: result: yes" >&5
+  echo "$as_me:12319: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
+				echo "$as_me:12321: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 				cf_save_CFLAGS="$CFLAGS"
 			else
-				echo "$as_me:9591: result: no" >&5
+				echo "$as_me:12325: result: no" >&5
 echo "${ECHO_T}no" >&6
 			fi
 		done
@@ -9599,200 +12333,664 @@ echo "${ECHO_T}no" >&6
 	test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
 	test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
 
-	test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
+	test "$cf_cv_rm_so_locs" = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
+
+	test -n "$verbose" && echo "	CC_SHARED_OPTS: $CC_SHARED_OPTS" 1>&6
+
+echo "${as_me:-configure}:12340: testing CC_SHARED_OPTS: $CC_SHARED_OPTS ..." 1>&5
+
+	test -n "$verbose" && echo "	MK_SHARED_LIB:  $MK_SHARED_LIB" 1>&6
+
+echo "${as_me:-configure}:12344: testing MK_SHARED_LIB:  $MK_SHARED_LIB ..." 1>&5
+
+# The test/sample programs in the original tree link using rpath option.
+# Make it optional for packagers.
+if test -n "$LOCAL_LDFLAGS"
+then
+	echo "$as_me:12350: checking if you want to link sample programs with rpath option" >&5
+echo $ECHO_N "checking if you want to link sample programs with rpath option... $ECHO_C" >&6
+
+# Check whether --enable-rpath-link or --disable-rpath-link was given.
+if test "${enable_rpath_link+set}" = set; then
+  enableval="$enable_rpath_link"
+  with_rpath_link=$enableval
+else
+  with_rpath_link=yes
+fi;
+	echo "$as_me:12360: result: $with_rpath_link" >&5
+echo "${ECHO_T}$with_rpath_link" >&6
+	if test "$with_rpath_link" = no
+	then
+		LOCAL_LDFLAGS=
+		LOCAL_LDFLAGS2=
+	fi
+fi
+
+###############################################################################
+
+###   use option --enable-broken-linker to force on use of broken-linker support
+
+echo "$as_me:12373: checking if you want broken-linker support code" >&5
+echo $ECHO_N "checking if you want broken-linker support code... $ECHO_C" >&6
+
+# Check whether --enable-broken_linker or --disable-broken_linker was given.
+if test "${enable_broken_linker+set}" = set; then
+  enableval="$enable_broken_linker"
+  with_broken_linker=$enableval
+else
+  with_broken_linker=no
+fi;
+echo "$as_me:12383: result: $with_broken_linker" >&5
+echo "${ECHO_T}$with_broken_linker" >&6
+
+: "${BROKEN_LINKER:=0}"
+if test "x$with_broken_linker" = xyes ; then
+
+cat >>confdefs.h <<\EOF
+#define BROKEN_LINKER 1
+EOF
+
+	BROKEN_LINKER=1
+fi
+
+# Check to define _XOPEN_SOURCE "automatically"
+
+echo "$as_me:12398: checking if the POSIX test-macros are already defined" >&5
+echo $ECHO_N "checking if the POSIX test-macros are already defined... $ECHO_C" >&6
+if test "${cf_cv_posix_visible+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12405 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int
+main (void)
+{
+
+#if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
+	&& defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
+	&& defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
+	&& defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
+#error conflicting symbols found
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12424: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:12427: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12430: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:12433: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_posix_visible=no
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_posix_visible=yes
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+fi
+echo "$as_me:12444: result: $cf_cv_posix_visible" >&5
+echo "${ECHO_T}$cf_cv_posix_visible" >&6
+
+if test "$cf_cv_posix_visible" = no; then
+
+cf_XOPEN_SOURCE=600
+cf_POSIX_C_SOURCE=199506L
+cf_xopen_source=
+
+case "$host_os" in
+(aix[4-7]*)
+	cf_xopen_source="-D_ALL_SOURCE"
+	;;
+(msys)
+	cf_XOPEN_SOURCE=600
+	;;
+(darwin[0-8].*)
+	cf_xopen_source="-D_APPLE_C_SOURCE"
+	;;
+(darwin*)
+	cf_xopen_source="-D_DARWIN_C_SOURCE"
+	cf_XOPEN_SOURCE=
+	;;
+(freebsd*|dragonfly*|midnightbsd*)
+	# 5.x headers associate
+	#	_XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
+	#	_XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
+	cf_POSIX_C_SOURCE=200112L
+	cf_XOPEN_SOURCE=600
+	cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+	;;
+(hpux11*)
+	cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
+	;;
+(hpux*)
+	cf_xopen_source="-D_HPUX_SOURCE"
+	;;
+(irix[56].*)
+	cf_xopen_source="-D_SGI_SOURCE"
+	cf_XOPEN_SOURCE=
+	;;
+(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
+
+cf_gnu_xopen_source=$cf_XOPEN_SOURCE
+
+echo "$as_me:12489: checking if this is the GNU C library" >&5
+echo $ECHO_N "checking if this is the GNU C library... $ECHO_C" >&6
+if test "${cf_cv_gnu_library+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 12496 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+	#if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
+		return 0;
+	#elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
+		return 0;
+	#else
+	#	error not GNU C library
+	#endif
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12515: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:12518: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12521: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:12524: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_gnu_library=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_gnu_library=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+fi
+echo "$as_me:12535: result: $cf_cv_gnu_library" >&5
+echo "${ECHO_T}$cf_cv_gnu_library" >&6
+
+if test x$cf_cv_gnu_library = xyes; then
+
+	# With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
+	# was changed to help a little.  newlib incorporated the change about 4
+	# years later.
+	echo "$as_me:12543: checking if _DEFAULT_SOURCE can be used as a basis" >&5
+echo $ECHO_N "checking if _DEFAULT_SOURCE can be used as a basis... $ECHO_C" >&6
+if test "${cf_cv_gnu_library_219+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+		cf_save="$CPPFLAGS"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_DEFAULT_SOURCE"
+
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 12555 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+			#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
+				return 0;
+			#elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
+				return 0;
+			#else
+			#	error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
+			#endif
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12574: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:12577: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12580: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:12583: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_gnu_library_219=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_gnu_library_219=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+		CPPFLAGS="$cf_save"
+
+fi
+echo "$as_me:12595: result: $cf_cv_gnu_library_219" >&5
+echo "${ECHO_T}$cf_cv_gnu_library_219" >&6
+
+	if test "x$cf_cv_gnu_library_219" = xyes; then
+		cf_save="$CPPFLAGS"
+		echo "$as_me:12600: checking if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE" >&5
+echo $ECHO_N "checking if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_gnu_dftsrc_219+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
+
+				;;
+			esac
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
+			;;
+		esac
+		;;
+	(*)
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
+		;;
+	esac
+	;;
+(yes)
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
+
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
+fi
+
+if test -n "$cf_new_cppflags" ; then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 12705 "configure"
+#include "confdefs.h"
+
+				#include <limits.h>
+				#include <sys/types.h>
+
+int
+main (void)
+{
+
+				#if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
+					return 0;
+				#else
+				#	error GNU C library is too old
+				#endif
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12725: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:12728: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12731: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:12734: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_gnu_dftsrc_219=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_gnu_dftsrc_219=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+fi
+echo "$as_me:12745: result: $cf_cv_gnu_dftsrc_219" >&5
+echo "${ECHO_T}$cf_cv_gnu_dftsrc_219" >&6
+		test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
+	else
+		cf_cv_gnu_dftsrc_219=maybe
+	fi
+
+	if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
+
+		echo "$as_me:12754: checking if we must define _GNU_SOURCE" >&5
+echo $ECHO_N "checking if we must define _GNU_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_gnu_source+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 12761 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int
+main (void)
+{
+
+			#ifndef _XOPEN_SOURCE
+			#error	expected _XOPEN_SOURCE to be defined
+			#endif
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12776: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:12779: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12782: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:12785: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_gnu_source=no
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_save="$CPPFLAGS"
+
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in -D_GNU_SOURCE
+do
+case "$cf_fix_cppflags" in
+(no)
+	case "$cf_add_cflags" in
+	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
+		case "$cf_add_cflags" in
+		(-D*)
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+
+			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+				&& test -z "${cf_tst_cflags}" \
+				&& cf_fix_cppflags=yes
+
+			if test "$cf_fix_cppflags" = yes ; then
 
-	test -n "$verbose" && echo "	CC_SHARED_OPTS: $CC_SHARED_OPTS" 1>&6
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-echo "${as_me:-configure}:9606: testing CC_SHARED_OPTS: $CC_SHARED_OPTS ..." 1>&5
+				continue
+			elif test "${cf_tst_cflags}" = "\"'" ; then
 
-	test -n "$verbose" && echo "	MK_SHARED_LIB:  $MK_SHARED_LIB" 1>&6
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-echo "${as_me:-configure}:9610: testing MK_SHARED_LIB:  $MK_SHARED_LIB ..." 1>&5
+				continue
+			fi
+			;;
+		esac
+		case "$CPPFLAGS" in
+		(*$cf_add_cflags)
+			;;
+		(*)
+			case "$cf_add_cflags" in
+			(-D*)
+				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
-# The test/sample programs in the original tree link using rpath option.
-# Make it optional for packagers.
-if test -n "$LOCAL_LDFLAGS"
-then
-	echo "$as_me:9616: checking if you want to link sample programs with rpath option" >&5
-echo $ECHO_N "checking if you want to link sample programs with rpath option... $ECHO_C" >&6
+CPPFLAGS=`echo "$CPPFLAGS" | \
+	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
+		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
 
-# Check whether --enable-rpath-link or --disable-rpath-link was given.
-if test "${enable_rpath_link+set}" = set; then
-  enableval="$enable_rpath_link"
-  with_rpath_link=$enableval
-else
-  with_rpath_link=yes
-fi;
-	echo "$as_me:9626: result: $with_rpath_link" >&5
-echo "${ECHO_T}$with_rpath_link" >&6
-	if test "$with_rpath_link" = no
-	then
-		LOCAL_LDFLAGS=
-		LOCAL_LDFLAGS2=
-	fi
-fi
+				;;
+			esac
 
-###############################################################################
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
 
-###   use option --enable-broken-linker to force on use of broken-linker support
-echo "$as_me:9638: checking if you want broken-linker support code" >&5
-echo $ECHO_N "checking if you want broken-linker support code... $ECHO_C" >&6
+			;;
+		esac
+		;;
+	(*)
 
-# Check whether --enable-broken_linker or --disable-broken_linker was given.
-if test "${enable_broken_linker+set}" = set; then
-  enableval="$enable_broken_linker"
-  with_broken_linker=$enableval
-else
-  with_broken_linker=${BROKEN_LINKER:-no}
-fi;
-echo "$as_me:9648: result: $with_broken_linker" >&5
-echo "${ECHO_T}$with_broken_linker" >&6
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
 
-BROKEN_LINKER=0
-if test "$with_broken_linker" = yes ; then
-	cat >>confdefs.h <<\EOF
-#define BROKEN_LINKER 1
-EOF
+		;;
+	esac
+	;;
+(yes)
 
-	BROKEN_LINKER=1
-elif test "$DFT_LWR_MODEL" = shared ; then
-	case $cf_cv_system_name in
-	(cygwin*)
-		cat >>confdefs.h <<\EOF
-#define BROKEN_LINKER 1
-EOF
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
 
-		BROKEN_LINKER=1
-		test -n "$verbose" && echo "	cygwin linker is broken anyway" 1>&6
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
-echo "${as_me:-configure}:9668: testing cygwin linker is broken anyway ..." 1>&5
+	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
+		&& test -z "${cf_tst_cflags}" \
+		&& cf_fix_cppflags=no
+	;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
 
-		;;
-	esac
 fi
 
-# Check to define _XOPEN_SOURCE "automatically"
+if test -n "$cf_new_cppflags" ; then
 
-cf_XOPEN_SOURCE=500
-cf_POSIX_C_SOURCE=199506L
-cf_xopen_source=
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
 
-case $host_os in
-(aix[4-7]*)
-	cf_xopen_source="-D_ALL_SOURCE"
-	;;
-(cygwin|msys)
-	cf_XOPEN_SOURCE=600
-	;;
-(darwin[0-8].*)
-	cf_xopen_source="-D_APPLE_C_SOURCE"
-	;;
-(darwin*)
-	cf_xopen_source="-D_DARWIN_C_SOURCE"
-	cf_XOPEN_SOURCE=
-	;;
-(freebsd*|dragonfly*)
-	# 5.x headers associate
-	#	_XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
-	#	_XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
-	cf_POSIX_C_SOURCE=200112L
-	cf_XOPEN_SOURCE=600
-	cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
-	;;
-(hpux11*)
-	cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
-	;;
-(hpux*)
-	cf_xopen_source="-D_HPUX_SOURCE"
-	;;
-(irix[56].*)
-	cf_xopen_source="-D_SGI_SOURCE"
-	cf_XOPEN_SOURCE=
-	;;
-(linux*|gnu*|mint*|k*bsd*-gnu)
+fi
 
-echo "$as_me:9714: checking if we must define _GNU_SOURCE" >&5
-echo $ECHO_N "checking if we must define _GNU_SOURCE... $ECHO_C" >&6
-if test "${cf_cv_gnu_source+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 9721 "configure"
+			 cat >"conftest.$ac_ext" <<_ACEOF
+#line 12892 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
-#ifndef _XOPEN_SOURCE
-make an error
-#endif
+				#ifdef _XOPEN_SOURCE
+				#error	expected _XOPEN_SOURCE to be undefined
+				#endif
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9736: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12907: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9739: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9742: \"$ac_try\"") >&5
+  echo "$as_me:12910: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12913: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9745: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:12916: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_gnu_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-cf_save="$CPPFLAGS"
-	 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 9754 "configure"
+cat "conftest.$ac_ext" >&5
+cf_cv_gnu_source=yes
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+			CPPFLAGS="$cf_save"
+
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+fi
+echo "$as_me:12931: result: $cf_cv_gnu_source" >&5
+echo "${ECHO_T}$cf_cv_gnu_source" >&6
+
+		if test "$cf_cv_gnu_source" = yes
+		then
+		echo "$as_me:12936: checking if we should also define _DEFAULT_SOURCE" >&5
+echo $ECHO_N "checking if we should also define _DEFAULT_SOURCE... $ECHO_C" >&6
+if test "${cf_cv_default_source+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_GNU_SOURCE"
+
+			cat >"conftest.$ac_ext" <<_ACEOF
+#line 12946 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
-#ifdef _XOPEN_SOURCE
-make an error
-#endif
+				#ifdef _DEFAULT_SOURCE
+				#error	expected _DEFAULT_SOURCE to be undefined
+				#endif
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9769: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:12961: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9772: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9775: \"$ac_try\"") >&5
+  echo "$as_me:12964: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:12967: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9778: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  cf_cv_gnu_source=no
+  echo "$as_me:12970: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_default_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-cf_cv_gnu_source=yes
+cat "conftest.$ac_ext" >&5
+cf_cv_default_source=yes
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-	CPPFLAGS="$cf_save"
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:12981: result: $cf_cv_default_source" >&5
+echo "${ECHO_T}$cf_cv_default_source" >&6
+			if test "$cf_cv_default_source" = yes
+			then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_DEFAULT_SOURCE"
+
+			fi
+		fi
+	fi
 
 fi
-echo "$as_me:9793: result: $cf_cv_gnu_source" >&5
-echo "${ECHO_T}$cf_cv_gnu_source" >&6
-test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 
 	;;
 (minix*)
@@ -9802,6 +13000,8 @@ test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 	# setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
 	cf_XOPEN_SOURCE=
 
+if test "$cf_cv_posix_visible" = no; then
+
 cf_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE
 
 cf_save_CFLAGS="$CFLAGS"
@@ -9815,20 +13015,20 @@ cf_trim_CPPFLAGS=`echo "$cf_save_CPPFLAGS" | \
 	sed	-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
 		-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?$//g'`
 
-echo "$as_me:9818: checking if we should define _POSIX_C_SOURCE" >&5
+echo "$as_me:13018: checking if we should define _POSIX_C_SOURCE" >&5
 echo $ECHO_N "checking if we should define _POSIX_C_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_posix_c_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-echo "${as_me:-configure}:9824: testing if the symbol is already defined go no further ..." 1>&5
+echo "${as_me:-configure}:13024: testing if the symbol is already defined go no further ..." 1>&5
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 9827 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 13027 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
 #ifndef _POSIX_C_SOURCE
@@ -9838,22 +13038,22 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9842: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13042: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9845: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9848: \"$ac_try\"") >&5
+  echo "$as_me:13045: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13048: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9851: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13051: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_posix_c_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_want_posix_source=no
 	 case .$cf_POSIX_C_SOURCE in
 	 (.[12]??*)
@@ -9868,12 +13068,12 @@ cf_want_posix_source=no
 		;;
 	 esac
 	 if test "$cf_want_posix_source" = yes ; then
-		cat >conftest.$ac_ext <<_ACEOF
-#line 9872 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 13072 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
 #ifdef _POSIX_SOURCE
@@ -9883,40 +13083,43 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9887: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13087: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9890: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9893: \"$ac_try\"") >&5
+  echo "$as_me:13090: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13093: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9896: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13096: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE"
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 fi
 
-echo "${as_me:-configure}:9907: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
+echo "${as_me:-configure}:13107: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
 
 	 CFLAGS="$cf_trim_CFLAGS"
-	 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
+	 CPPFLAGS="$cf_trim_CPPFLAGS"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_cv_posix_c_source"
 
-echo "${as_me:-configure}:9912: testing if the second compile does not leave our definition intact error ..." 1>&5
+echo "${as_me:-configure}:13115: testing if the second compile does not leave our definition intact error ..." 1>&5
 
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 9915 "configure"
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 13118 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
 #ifndef _POSIX_C_SOURCE
@@ -9926,33 +13129,33 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:9930: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13133: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:9933: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:9936: \"$ac_try\"") >&5
+  echo "$as_me:13136: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13139: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:9939: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13142: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 CFLAGS="$cf_save_CFLAGS"
 	 CPPFLAGS="$cf_save_CPPFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:9955: result: $cf_cv_posix_c_source" >&5
+echo "$as_me:13158: result: $cf_cv_posix_c_source" >&5
 echo "${ECHO_T}$cf_cv_posix_c_source" >&6
 
 if test "$cf_cv_posix_c_source" != no ; then
@@ -9966,23 +13169,29 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_cv_posix_c_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			fi
 			;;
@@ -9991,7 +13200,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -10001,19 +13210,27 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 				;;
 			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
 			;;
 		esac
 		;;
 	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
 		;;
 	esac
 	;;
 (yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -10024,26 +13241,43 @@ done
 
 if test -n "$cf_new_cflags" ; then
 
-	CFLAGS="$CFLAGS $cf_new_cflags"
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
 fi
 
 if test -n "$cf_new_cppflags" ; then
 
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
 
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
 fi
 
 fi
 
+fi # cf_cv_posix_visible
+
 	;;
 (netbsd*)
 	cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
 	;;
-(openbsd[4-9]*)
+(openbsd[6-9]*)
+	# OpenBSD 6.x has broken locale support, both compile-time and runtime.
+	# see https://www.mail-archive.com/bugs@openbsd.org/msg13200.html
+	# Abusing the conformance level is a workaround.
+	{ echo "$as_me:13275: WARNING: this system does not provide usable locale support" >&5
+echo "$as_me: WARNING: this system does not provide usable locale support" >&2;}
+	cf_xopen_source="-D_BSD_SOURCE"
+	cf_XOPEN_SOURCE=700
+	;;
+(openbsd[4-5]*)
 	# setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
 	cf_xopen_source="-D_BSD_SOURCE"
 	cf_XOPEN_SOURCE=600
@@ -10070,14 +13304,14 @@ fi
 	;;
 (*)
 
-echo "$as_me:10073: checking if we should define _XOPEN_SOURCE" >&5
+echo "$as_me:13307: checking if we should define _XOPEN_SOURCE" >&5
 echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_xopen_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 10080 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 13314 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -10085,7 +13319,7 @@ else
 #include <sys/types.h>
 
 int
-main ()
+main (void)
 {
 
 #ifndef _XOPEN_SOURCE
@@ -10095,26 +13329,29 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10099: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13333: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10102: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10105: \"$ac_try\"") >&5
+  echo "$as_me:13336: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13339: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10108: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13342: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_save="$CPPFLAGS"
-	 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 10117 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 13354 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -10122,7 +13359,7 @@ cf_save="$CPPFLAGS"
 #include <sys/types.h>
 
 int
-main ()
+main (void)
 {
 
 #ifdef _XOPEN_SOURCE
@@ -10132,32 +13369,32 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10136: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13373: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10139: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10142: \"$ac_try\"") >&5
+  echo "$as_me:13376: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13379: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10145: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13382: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_xopen_source=$cf_XOPEN_SOURCE
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	CPPFLAGS="$cf_save"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:10160: result: $cf_cv_xopen_source" >&5
+echo "$as_me:13397: result: $cf_cv_xopen_source" >&5
 echo "${ECHO_T}$cf_cv_xopen_source" >&6
 
 if test "$cf_cv_xopen_source" != no ; then
@@ -10172,6 +13409,53 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 	cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
 
+for cf_add_cflags in $cf_temp_xopen_source
+do
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
+
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
+fi
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
 cf_fix_cppflags=no
 cf_new_cflags=
 cf_new_cppflags=
@@ -10179,23 +13463,29 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_temp_xopen_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			fi
 			;;
@@ -10204,7 +13494,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -10214,19 +13504,27 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 				;;
 			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
 			;;
 		esac
 		;;
 	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
 		;;
 	esac
 	;;
 (yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -10237,21 +13535,29 @@ done
 
 if test -n "$cf_new_cflags" ; then
 
-	CFLAGS="$CFLAGS $cf_new_cflags"
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
 fi
 
 if test -n "$cf_new_cppflags" ; then
 
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
 
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
 fi
 
 fi
 
+if test "$cf_cv_posix_visible" = no; then
+
 cf_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE
 
 cf_save_CFLAGS="$CFLAGS"
@@ -10265,20 +13571,20 @@ cf_trim_CPPFLAGS=`echo "$cf_save_CPPFLAGS" | \
 	sed	-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?[ 	]/ /g' \
 		-e 's/-[UD]'"_POSIX_C_SOURCE"'\(=[^ 	]*\)\?$//g'`
 
-echo "$as_me:10268: checking if we should define _POSIX_C_SOURCE" >&5
+echo "$as_me:13574: checking if we should define _POSIX_C_SOURCE" >&5
 echo $ECHO_N "checking if we should define _POSIX_C_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_posix_c_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-echo "${as_me:-configure}:10274: testing if the symbol is already defined go no further ..." 1>&5
+echo "${as_me:-configure}:13580: testing if the symbol is already defined go no further ..." 1>&5
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 10277 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 13583 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
 #ifndef _POSIX_C_SOURCE
@@ -10288,22 +13594,22 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10292: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13598: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10295: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10298: \"$ac_try\"") >&5
+  echo "$as_me:13601: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13604: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10301: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13607: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_posix_c_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_want_posix_source=no
 	 case .$cf_POSIX_C_SOURCE in
 	 (.[12]??*)
@@ -10318,12 +13624,12 @@ cf_want_posix_source=no
 		;;
 	 esac
 	 if test "$cf_want_posix_source" = yes ; then
-		cat >conftest.$ac_ext <<_ACEOF
-#line 10322 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 13628 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
 #ifdef _POSIX_SOURCE
@@ -10333,40 +13639,43 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10337: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13643: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10340: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10343: \"$ac_try\"") >&5
+  echo "$as_me:13646: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13649: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10346: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13652: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE"
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 fi
 
-echo "${as_me:-configure}:10357: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
+echo "${as_me:-configure}:13663: testing ifdef from value $cf_POSIX_C_SOURCE ..." 1>&5
 
 	 CFLAGS="$cf_trim_CFLAGS"
-	 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
+	 CPPFLAGS="$cf_trim_CPPFLAGS"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_cv_posix_c_source"
 
-echo "${as_me:-configure}:10362: testing if the second compile does not leave our definition intact error ..." 1>&5
+echo "${as_me:-configure}:13671: testing if the second compile does not leave our definition intact error ..." 1>&5
 
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 10365 "configure"
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 13674 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 int
-main ()
+main (void)
 {
 
 #ifndef _POSIX_C_SOURCE
@@ -10376,33 +13685,33 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10380: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:13689: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10383: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10386: \"$ac_try\"") >&5
+  echo "$as_me:13692: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:13695: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10389: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:13698: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_posix_c_source=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	 CFLAGS="$cf_save_CFLAGS"
 	 CPPFLAGS="$cf_save_CPPFLAGS"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:10405: result: $cf_cv_posix_c_source" >&5
+echo "$as_me:13714: result: $cf_cv_posix_c_source" >&5
 echo "${ECHO_T}$cf_cv_posix_c_source" >&6
 
 if test "$cf_cv_posix_c_source" != no ; then
@@ -10416,23 +13725,29 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_cv_posix_c_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			fi
 			;;
@@ -10441,7 +13756,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -10451,19 +13766,27 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 				;;
 			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
 			;;
 		esac
 		;;
 	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
 		;;
 	esac
 	;;
 (yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -10474,25 +13797,86 @@ done
 
 if test -n "$cf_new_cflags" ; then
 
-	CFLAGS="$CFLAGS $cf_new_cflags"
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
 fi
 
 if test -n "$cf_new_cppflags" ; then
 
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
+fi
+
+fi
+
+fi # cf_cv_posix_visible
+
+	;;
+esac
+
+if test -n "$cf_xopen_source" ; then
+
+for cf_add_cflags in $cf_xopen_source
+do
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
+
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+	test -n "$verbose" && echo "	removing old option $cf_add_cflags from CFLAGS" 1>&6
+
+echo "${as_me:-configure}:13850: testing removing old option $cf_add_cflags from CFLAGS ..." 1>&5
+
+	CFLAGS="$cf_new_cflag"
 fi
 
-if test -n "$cf_new_extra_cppflags" ; then
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+	test -n "$verbose" && echo "	removing old option $cf_add_cflags from CPPFLAGS" 1>&6
 
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
-fi
+echo "${as_me:-configure}:13874: testing removing old option $cf_add_cflags from CPPFLAGS ..." 1>&5
 
+	CPPFLAGS="$cf_new_cflag"
 fi
 
-	;;
-esac
-
-if test -n "$cf_xopen_source" ; then
+done
 
 cf_fix_cppflags=no
 cf_new_cflags=
@@ -10501,23 +13885,29 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_xopen_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			fi
 			;;
@@ -10526,7 +13916,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -10536,19 +13926,27 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 				;;
 			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
 			;;
 		esac
 		;;
 	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
 		;;
 	esac
 	;;
 (yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -10560,38 +13958,44 @@ done
 if test -n "$cf_new_cflags" ; then
 	test -n "$verbose" && echo "	add to \$CFLAGS $cf_new_cflags" 1>&6
 
-echo "${as_me:-configure}:10563: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
+echo "${as_me:-configure}:13961: testing add to \$CFLAGS $cf_new_cflags ..." 1>&5
+
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
 
-	CFLAGS="$CFLAGS $cf_new_cflags"
 fi
 
 if test -n "$cf_new_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$CPPFLAGS $cf_new_cppflags" 1>&6
 
-echo "${as_me:-configure}:10571: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
+echo "${as_me:-configure}:13971: testing add to \$CPPFLAGS $cf_new_cppflags ..." 1>&5
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
 
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
 	test -n "$verbose" && echo "	add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags" 1>&6
 
-echo "${as_me:-configure}:10579: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
+echo "${as_me:-configure}:13981: testing add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags ..." 1>&5
+
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
 
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 fi
 
 fi
 
 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
-	echo "$as_me:10587: checking if _XOPEN_SOURCE really is set" >&5
+	echo "$as_me:13991: checking if _XOPEN_SOURCE really is set" >&5
 echo $ECHO_N "checking if _XOPEN_SOURCE really is set... $ECHO_C" >&6
-	cat >conftest.$ac_ext <<_ACEOF
-#line 10590 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 13994 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int
-main ()
+main (void)
 {
 
 #ifndef _XOPEN_SOURCE
@@ -10601,35 +14005,35 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10605: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14009: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10608: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10611: \"$ac_try\"") >&5
+  echo "$as_me:14012: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14015: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10614: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14018: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_XOPEN_SOURCE_set=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_XOPEN_SOURCE_set=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-	echo "$as_me:10623: result: $cf_XOPEN_SOURCE_set" >&5
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+	echo "$as_me:14027: result: $cf_XOPEN_SOURCE_set" >&5
 echo "${ECHO_T}$cf_XOPEN_SOURCE_set" >&6
-	if test $cf_XOPEN_SOURCE_set = yes
+	if test "$cf_XOPEN_SOURCE_set" = yes
 	then
-		cat >conftest.$ac_ext <<_ACEOF
-#line 10628 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 14032 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int
-main ()
+main (void)
 {
 
 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
@@ -10639,40 +14043,40 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10643: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14047: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10646: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10649: \"$ac_try\"") >&5
+  echo "$as_me:14050: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14053: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10652: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14056: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_XOPEN_SOURCE_set_ok=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_XOPEN_SOURCE_set_ok=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-		if test $cf_XOPEN_SOURCE_set_ok = no
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+		if test "$cf_XOPEN_SOURCE_set_ok" = no
 		then
-			{ echo "$as_me:10663: WARNING: _XOPEN_SOURCE is lower than requested" >&5
+			{ echo "$as_me:14067: WARNING: _XOPEN_SOURCE is lower than requested" >&5
 echo "$as_me: WARNING: _XOPEN_SOURCE is lower than requested" >&2;}
 		fi
 	else
 
-echo "$as_me:10668: checking if we should define _XOPEN_SOURCE" >&5
+echo "$as_me:14072: checking if we should define _XOPEN_SOURCE" >&5
 echo $ECHO_N "checking if we should define _XOPEN_SOURCE... $ECHO_C" >&6
 if test "${cf_cv_xopen_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-	cat >conftest.$ac_ext <<_ACEOF
-#line 10675 "configure"
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 14079 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -10680,7 +14084,7 @@ else
 #include <sys/types.h>
 
 int
-main ()
+main (void)
 {
 
 #ifndef _XOPEN_SOURCE
@@ -10690,26 +14094,29 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10694: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14098: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10697: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10700: \"$ac_try\"") >&5
+  echo "$as_me:14101: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14104: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10703: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14107: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_save="$CPPFLAGS"
-	 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
-	 cat >conftest.$ac_ext <<_ACEOF
-#line 10712 "configure"
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+
+	 cat >"conftest.$ac_ext" <<_ACEOF
+#line 14119 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -10717,7 +14124,7 @@ cf_save="$CPPFLAGS"
 #include <sys/types.h>
 
 int
-main ()
+main (void)
 {
 
 #ifdef _XOPEN_SOURCE
@@ -10727,32 +14134,32 @@ make an error
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10731: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14138: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10734: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10737: \"$ac_try\"") >&5
+  echo "$as_me:14141: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14144: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10740: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14147: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_xopen_source=no
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_xopen_source=$cf_XOPEN_SOURCE
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 	CPPFLAGS="$cf_save"
 
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:10755: result: $cf_cv_xopen_source" >&5
+echo "$as_me:14162: result: $cf_cv_xopen_source" >&5
 echo "${ECHO_T}$cf_cv_xopen_source" >&6
 
 if test "$cf_cv_xopen_source" != no ; then
@@ -10767,6 +14174,53 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 	cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
 
+for cf_add_cflags in $cf_temp_xopen_source
+do
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CFLAGS"
+
+case "$CFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CFLAGS" != "$cf_old_cflag" ;
+then
+
+	CFLAGS="$cf_new_cflag"
+fi
+
+cf_tmp_cflag=`echo "x$cf_add_cflags" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="$CPPFLAGS"
+
+case "$CPPFLAGS" in
+(*$cf_add_cflags=*)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[^ 	]*%%g"`
+	;;
+(*$cf_add_cflags\ *)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+	;;
+(*$cf_add_cflags)
+	cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+	;;
+esac
+
+if test "$CPPFLAGS" != "$cf_old_cflag" ;
+then
+
+	CPPFLAGS="$cf_new_cflag"
+fi
+
+done
+
 cf_fix_cppflags=no
 cf_new_cflags=
 cf_new_cppflags=
@@ -10774,23 +14228,29 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in $cf_temp_xopen_source
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			fi
 			;;
@@ -10799,7 +14259,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -10809,19 +14269,27 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 				;;
 			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
 			;;
 		esac
 		;;
 	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
 		;;
 	esac
 	;;
 (yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -10832,23 +14300,30 @@ done
 
 if test -n "$cf_new_cflags" ; then
 
-	CFLAGS="$CFLAGS $cf_new_cflags"
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
 fi
 
 if test -n "$cf_new_cppflags" ; then
 
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
 
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
 fi
 
 fi
 
 	fi
 fi
+fi # cf_cv_posix_visible
 
 # Check whether --enable-largefile or --disable-largefile was given.
 if test "${enable_largefile+set}" = set; then
@@ -10857,7 +14332,7 @@ if test "${enable_largefile+set}" = set; then
 fi;
 if test "$enable_largefile" != no; then
 
-  echo "$as_me:10860: checking for special C compiler options needed for large files" >&5
+  echo "$as_me:14335: checking for special C compiler options needed for large files" >&5
 echo $ECHO_N "checking for special C compiler options needed for large files... $ECHO_C" >&6
 if test "${ac_cv_sys_largefile_CC+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -10868,8 +14343,8 @@ else
        while :; do
      	 # IRIX 6.2 and later do not support large files by default,
      	 # so use the C compiler's -n32 option if that helps.
-         cat >conftest.$ac_ext <<_ACEOF
-#line 10872 "configure"
+         cat >"conftest.$ac_ext" <<_ACEOF
+#line 14347 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -10881,71 +14356,71 @@ else
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-     	 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10892: \"$ac_compile\"") >&5
+     	 rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14367: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10895: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10898: \"$ac_try\"") >&5
+  echo "$as_me:14370: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14373: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10901: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14376: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext
+rm -f "conftest.$ac_objext"
      	 CC="$CC -n32"
-     	 rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10911: \"$ac_compile\"") >&5
+     	 rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14386: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10914: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10917: \"$ac_try\"") >&5
+  echo "$as_me:14389: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14392: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10920: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14395: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_sys_largefile_CC=' -n32'; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext
+rm -f "conftest.$ac_objext"
          break
        done
        CC=$ac_save_CC
-       rm -f conftest.$ac_ext
+       rm -f "conftest.$ac_ext"
     fi
 fi
-echo "$as_me:10934: result: $ac_cv_sys_largefile_CC" >&5
+echo "$as_me:14409: result: $ac_cv_sys_largefile_CC" >&5
 echo "${ECHO_T}$ac_cv_sys_largefile_CC" >&6
   if test "$ac_cv_sys_largefile_CC" != no; then
     CC=$CC$ac_cv_sys_largefile_CC
   fi
 
-  echo "$as_me:10940: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+  echo "$as_me:14415: checking for _FILE_OFFSET_BITS value needed for large files" >&5
 echo $ECHO_N "checking for _FILE_OFFSET_BITS value needed for large files... $ECHO_C" >&6
 if test "${ac_cv_sys_file_offset_bits+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   while :; do
   ac_cv_sys_file_offset_bits=no
-  cat >conftest.$ac_ext <<_ACEOF
-#line 10948 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14423 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -10957,33 +14432,33 @@ else
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:10968: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14443: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:10971: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:10974: \"$ac_try\"") >&5
+  echo "$as_me:14446: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14449: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:10977: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14452: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-#line 10986 "configure"
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14461 "configure"
 #include "confdefs.h"
 #define _FILE_OFFSET_BITS 64
 #include <sys/types.h>
@@ -10996,35 +14471,35 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11007: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14482: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11010: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11013: \"$ac_try\"") >&5
+  echo "$as_me:14485: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14488: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11016: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14491: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_sys_file_offset_bits=64; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
   break
 done
 fi
-echo "$as_me:11027: result: $ac_cv_sys_file_offset_bits" >&5
+echo "$as_me:14502: result: $ac_cv_sys_file_offset_bits" >&5
 echo "${ECHO_T}$ac_cv_sys_file_offset_bits" >&6
 if test "$ac_cv_sys_file_offset_bits" != no; then
 
@@ -11034,15 +14509,15 @@ EOF
 
 fi
 rm -rf conftest*
-  echo "$as_me:11037: checking for _LARGE_FILES value needed for large files" >&5
+  echo "$as_me:14512: checking for _LARGE_FILES value needed for large files" >&5
 echo $ECHO_N "checking for _LARGE_FILES value needed for large files... $ECHO_C" >&6
 if test "${ac_cv_sys_large_files+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   while :; do
   ac_cv_sys_large_files=no
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11045 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14520 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -11054,33 +14529,33 @@ else
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11065: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14540: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11068: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11071: \"$ac_try\"") >&5
+  echo "$as_me:14543: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14546: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11074: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14549: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11083 "configure"
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14558 "configure"
 #include "confdefs.h"
 #define _LARGE_FILES 1
 #include <sys/types.h>
@@ -11093,35 +14568,35 @@ rm -f conftest.$ac_objext conftest.$ac_ext
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
 int
-main ()
+main (void)
 {
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11104: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14579: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11107: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11110: \"$ac_try\"") >&5
+  echo "$as_me:14582: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14585: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11113: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14588: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_sys_large_files=1; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
   break
 done
 fi
-echo "$as_me:11124: result: $ac_cv_sys_large_files" >&5
+echo "$as_me:14599: result: $ac_cv_sys_large_files" >&5
 echo "${ECHO_T}$ac_cv_sys_large_files" >&6
 if test "$ac_cv_sys_large_files" != no; then
 
@@ -11134,78 +14609,78 @@ rm -rf conftest*
 fi
 
 	if test "$enable_largefile" != no ; then
-	echo "$as_me:11137: checking for _LARGEFILE_SOURCE value needed for large files" >&5
+	echo "$as_me:14612: checking for _LARGEFILE_SOURCE value needed for large files" >&5
 echo $ECHO_N "checking for _LARGEFILE_SOURCE value needed for large files... $ECHO_C" >&6
 if test "${ac_cv_sys_largefile_source+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   while :; do
   ac_cv_sys_largefile_source=no
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11145 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14620 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 return !fseeko;
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11157: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14632: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11160: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11163: \"$ac_try\"") >&5
+  echo "$as_me:14635: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14638: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11166: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14641: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11175 "configure"
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14650 "configure"
 #include "confdefs.h"
 #define _LARGEFILE_SOURCE 1
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 return !fseeko;
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11188: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14663: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11191: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11194: \"$ac_try\"") >&5
+  echo "$as_me:14666: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14669: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11197: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14672: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_sys_largefile_source=1; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
   break
 done
 fi
-echo "$as_me:11208: result: $ac_cv_sys_largefile_source" >&5
+echo "$as_me:14683: result: $ac_cv_sys_largefile_source" >&5
 echo "${ECHO_T}$ac_cv_sys_largefile_source" >&6
 if test "$ac_cv_sys_largefile_source" != no; then
 
@@ -11219,44 +14694,44 @@ rm -rf conftest*
 # We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
 # in glibc 2.1.3, but that breaks too many other things.
 # If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
-echo "$as_me:11222: checking for fseeko" >&5
+echo "$as_me:14697: checking for fseeko" >&5
 echo $ECHO_N "checking for fseeko... $ECHO_C" >&6
 if test "${ac_cv_func_fseeko+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11228 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14703 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 return fseeko && fseeko (stdin, 0, 0);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11240: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:14715: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11243: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11246: \"$ac_try\"") >&5
+  echo "$as_me:14718: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:14721: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11249: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14724: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_fseeko=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_fseeko=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:11259: result: $ac_cv_func_fseeko" >&5
+echo "$as_me:14734: result: $ac_cv_func_fseeko" >&5
 echo "${ECHO_T}$ac_cv_func_fseeko" >&6
 if test $ac_cv_func_fseeko = yes; then
 
@@ -11273,25 +14748,44 @@ fi
 	# header files by themselves before looking at the body files it is
 	# told to compile.  For ncurses, those header files do not include
 	# the config.h
-	test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
-	test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
-	test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
+	if test "$ac_cv_sys_large_files" != no
+	then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_LARGE_FILES"
+
+	fi
+	if test "$ac_cv_sys_largefile_source" != no
+	then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_LARGEFILE_SOURCE"
+
+	fi
+	if test "$ac_cv_sys_file_offset_bits" != no
+	then
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
+
+	fi
 
-	echo "$as_me:11280: checking whether to use struct dirent64" >&5
+	echo "$as_me:14773: checking whether to use struct dirent64" >&5
 echo $ECHO_N "checking whether to use struct dirent64... $ECHO_C" >&6
 if test "${cf_cv_struct_dirent64+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-		cat >conftest.$ac_ext <<_ACEOF
-#line 11287 "configure"
+		cat >"conftest.$ac_ext" <<_ACEOF
+#line 14780 "configure"
 #include "confdefs.h"
 
+#pragma GCC diagnostic error "-Wincompatible-pointer-types"
 #include <sys/types.h>
 #include <dirent.h>
 
 int
-main ()
+main (void)
 {
 
 		/* if transitional largefile support is setup, this is true */
@@ -11299,33 +14793,34 @@ main ()
 		struct dirent64 *x = readdir((DIR *)0);
 		struct dirent *y = readdir((DIR *)0);
 		int z = x - y;
+		(void)z;
 
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11308: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:14803: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11311: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11314: \"$ac_try\"") >&5
+  echo "$as_me:14806: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:14809: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11317: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:14812: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_struct_dirent64=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_struct_dirent64=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:11328: result: $cf_cv_struct_dirent64" >&5
+echo "$as_me:14823: result: $cf_cv_struct_dirent64" >&5
 echo "${ECHO_T}$cf_cv_struct_dirent64" >&6
 	test "$cf_cv_struct_dirent64" = yes &&
 cat >>confdefs.h <<\EOF
@@ -11335,7 +14830,7 @@ EOF
 	fi
 
 ### Enable compiling-in rcs id's
-echo "$as_me:11338: checking if RCS identifiers should be compiled-in" >&5
+echo "$as_me:14833: checking if RCS identifiers should be compiled-in" >&5
 echo $ECHO_N "checking if RCS identifiers should be compiled-in... $ECHO_C" >&6
 
 # Check whether --with-rcs-ids or --without-rcs-ids was given.
@@ -11345,7 +14840,7 @@ if test "${with_rcs_ids+set}" = set; then
 else
   with_rcs_ids=no
 fi;
-echo "$as_me:11348: result: $with_rcs_ids" >&5
+echo "$as_me:14843: result: $with_rcs_ids" >&5
 echo "${ECHO_T}$with_rcs_ids" >&6
 test "$with_rcs_ids" = yes &&
 cat >>confdefs.h <<\EOF
@@ -11355,7 +14850,7 @@ EOF
 ###############################################################################
 
 ### Note that some functions (such as const) are normally disabled anyway.
-echo "$as_me:11358: checking if you want to build with function extensions" >&5
+echo "$as_me:14853: checking if you want to build with function extensions" >&5
 echo $ECHO_N "checking if you want to build with function extensions... $ECHO_C" >&6
 
 # Check whether --enable-ext-funcs or --disable-ext-funcs was given.
@@ -11365,7 +14860,7 @@ if test "${enable_ext_funcs+set}" = set; then
 else
   with_ext_funcs=yes
 fi;
-echo "$as_me:11368: result: $with_ext_funcs" >&5
+echo "$as_me:14863: result: $with_ext_funcs" >&5
 echo "${ECHO_T}$with_ext_funcs" >&6
 if test "$with_ext_funcs" = yes ; then
 	NCURSES_EXT_FUNCS=1
@@ -11383,7 +14878,7 @@ else
 fi
 
 ###   use option --enable-const to turn on use of const beyond that in XSI.
-echo "$as_me:11386: checking for extended use of const keyword" >&5
+echo "$as_me:14881: checking for extended use of const keyword" >&5
 echo $ECHO_N "checking for extended use of const keyword... $ECHO_C" >&6
 
 # Check whether --enable-const or --disable-const was given.
@@ -11393,7 +14888,7 @@ if test "${enable_const+set}" = set; then
 else
   with_ext_const=no
 fi;
-echo "$as_me:11396: result: $with_ext_const" >&5
+echo "$as_me:14891: result: $with_ext_const" >&5
 echo "${ECHO_T}$with_ext_const" >&6
 NCURSES_CONST='/*nothing*/'
 if test "$with_ext_const" = yes ; then
@@ -11403,7 +14898,7 @@ fi
 ###############################################################################
 # These options are relatively safe to experiment with.
 
-echo "$as_me:11406: checking if you want all development code" >&5
+echo "$as_me:14901: checking if you want all development code" >&5
 echo $ECHO_N "checking if you want all development code... $ECHO_C" >&6
 
 # Check whether --with-develop or --without-develop was given.
@@ -11413,7 +14908,7 @@ if test "${with_develop+set}" = set; then
 else
   with_develop=no
 fi;
-echo "$as_me:11416: result: $with_develop" >&5
+echo "$as_me:14911: result: $with_develop" >&5
 echo "${ECHO_T}$with_develop" >&6
 
 ###############################################################################
@@ -11422,7 +14917,7 @@ echo "${ECHO_T}$with_develop" >&6
 # This is still experimental (20080329), but should ultimately be moved to
 # the script-block --with-normal, etc.
 
-echo "$as_me:11425: checking if you want to link with the pthread library" >&5
+echo "$as_me:14920: checking if you want to link with the pthread library" >&5
 echo $ECHO_N "checking if you want to link with the pthread library... $ECHO_C" >&6
 
 # Check whether --with-pthread or --without-pthread was given.
@@ -11432,28 +14927,28 @@ if test "${with_pthread+set}" = set; then
 else
   with_pthread=no
 fi;
-echo "$as_me:11435: result: $with_pthread" >&5
+echo "$as_me:14930: result: $with_pthread" >&5
 echo "${ECHO_T}$with_pthread" >&6
 
 if test "$with_pthread" != no ; then
-	echo "$as_me:11439: checking for pthread.h" >&5
+	echo "$as_me:14934: checking for pthread.h" >&5
 echo $ECHO_N "checking for pthread.h... $ECHO_C" >&6
 if test "${ac_cv_header_pthread_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11445 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 14940 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 _ACEOF
-if { (eval echo "$as_me:11449: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:14944: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:11455: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:14950: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -11466,14 +14961,14 @@ if test -z "$ac_cpp_err"; then
   ac_cv_header_pthread_h=yes
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   ac_cv_header_pthread_h=no
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 fi
-echo "$as_me:11474: result: $ac_cv_header_pthread_h" >&5
+echo "$as_me:14969: result: $ac_cv_header_pthread_h" >&5
 echo "${ECHO_T}$ac_cv_header_pthread_h" >&6
-if test $ac_cv_header_pthread_h = yes; then
+if test "$ac_cv_header_pthread_h" = yes; then
 
 cat >>confdefs.h <<\EOF
 #define HAVE_PTHREADS_H 1
@@ -11481,34 +14976,34 @@ EOF
 
 	for cf_lib_pthread in pthread c_r
 	do
-	    echo "$as_me:11484: checking if we can link with the $cf_lib_pthread library" >&5
+	    echo "$as_me:14979: checking if we can link with the $cf_lib_pthread library" >&5
 echo $ECHO_N "checking if we can link with the $cf_lib_pthread library... $ECHO_C" >&6
 	    cf_save_LIBS="$LIBS"
 
-cf_add_libs="-l$cf_lib_pthread"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -l$cf_lib_pthread; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
-	    cat >conftest.$ac_ext <<_ACEOF
-#line 11505 "configure"
+	    cat >"conftest.$ac_ext" <<_ACEOF
+#line 15000 "configure"
 #include "confdefs.h"
 
 #include <pthread.h>
 
 int
-main ()
+main (void)
 {
 
 		int rc = pthread_create(0,0,0,0);
@@ -11518,46 +15013,46 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11522: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15017: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11525: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11528: \"$ac_try\"") >&5
+  echo "$as_me:15020: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15023: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11531: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15026: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   with_pthread=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 with_pthread=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 	    LIBS="$cf_save_LIBS"
-	    echo "$as_me:11541: result: $with_pthread" >&5
+	    echo "$as_me:15036: result: $with_pthread" >&5
 echo "${ECHO_T}$with_pthread" >&6
 	    test "$with_pthread" = yes && break
 	done
 
 	if test "$with_pthread" = yes ; then
 
-cf_add_libs="-l$cf_lib_pthread"
-# Filter out duplicates - this happens with badly-designed ".pc" files...
-for cf_add_1lib in $LIBS
-do
-	for cf_add_2lib in $cf_add_libs
-	do
-		if test "x$cf_add_1lib" = "x$cf_add_2lib"
-		then
+cf_add_libs="$LIBS"
+# reverse order
+cf_add_0lib=
+for cf_add_1lib in -l$cf_lib_pthread; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
+# filter duplicates
+for cf_add_1lib in $cf_add_0lib; do
+	for cf_add_2lib in $cf_add_libs; do
+		if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
 			cf_add_1lib=
 			break
 		fi
 	done
-	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
+	test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
 done
 LIBS="$cf_add_libs"
 
@@ -11566,7 +15061,7 @@ cat >>confdefs.h <<\EOF
 EOF
 
 	else
-	    { { echo "$as_me:11569: error: Cannot link with pthread library" >&5
+	    { { echo "$as_me:15064: error: Cannot link with pthread library" >&5
 echo "$as_me: error: Cannot link with pthread library" >&2;}
    { (exit 1); exit 1; }; }
 	fi
@@ -11575,7 +15070,7 @@ fi
 
 fi
 
-echo "$as_me:11578: checking if you want to use weak-symbols for pthreads" >&5
+echo "$as_me:15073: checking if you want to use weak-symbols for pthreads" >&5
 echo $ECHO_N "checking if you want to use weak-symbols for pthreads... $ECHO_C" >&6
 
 # Check whether --enable-weak-symbols or --disable-weak-symbols was given.
@@ -11585,23 +15080,23 @@ if test "${enable_weak_symbols+set}" = set; then
 else
   use_weak_symbols=no
 fi;
-echo "$as_me:11588: result: $use_weak_symbols" >&5
+echo "$as_me:15083: result: $use_weak_symbols" >&5
 echo "${ECHO_T}$use_weak_symbols" >&6
 if test "$use_weak_symbols" = yes ; then
 
-echo "$as_me:11592: checking if $CC supports weak symbols" >&5
+echo "$as_me:15087: checking if $CC supports weak symbols" >&5
 echo $ECHO_N "checking if $CC supports weak symbols... $ECHO_C" >&6
 if test "${cf_cv_weak_symbols+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-cat >conftest.$ac_ext <<_ACEOF
-#line 11599 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 15094 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
 int
-main ()
+main (void)
 {
 
 #if defined(__GNUC__)
@@ -11621,28 +15116,28 @@ weak_symbol(fopen);
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11625: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:15120: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11628: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11631: \"$ac_try\"") >&5
+  echo "$as_me:15123: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:15126: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11634: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15129: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_weak_symbols=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_weak_symbols=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 
 fi
-echo "$as_me:11645: result: $cf_cv_weak_symbols" >&5
+echo "$as_me:15140: result: $cf_cv_weak_symbols" >&5
 echo "${ECHO_T}$cf_cv_weak_symbols" >&6
 
 else
@@ -11671,65 +15166,65 @@ EOF
 fi
 
 # OpenSUSE is installing ncurses6, using reentrant option.
-echo "$as_me:11674: checking for _nc_TABSIZE" >&5
+echo "$as_me:15169: checking for _nc_TABSIZE" >&5
 echo $ECHO_N "checking for _nc_TABSIZE... $ECHO_C" >&6
 if test "${ac_cv_func__nc_TABSIZE+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 11680 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 15175 "configure"
 #include "confdefs.h"
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char _nc_TABSIZE (); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
+#define _nc_TABSIZE autoconf_temporary
+#include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
+#undef _nc_TABSIZE
+
 #ifdef __cplusplus
 extern "C"
 #endif
+
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char _nc_TABSIZE ();
-char (*f) ();
+char _nc_TABSIZE (void);
 
 int
-main ()
+main (void)
 {
-/* The GNU C library defines this for functions which it implements
+
+/* The GNU C library defines stubs for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
 #if defined (__stub__nc_TABSIZE) || defined (__stub____nc_TABSIZE)
-choke me
-#else
-f = _nc_TABSIZE; /* workaround for ICC 12.0.3 */ if (f == 0) return 1;
+#error found stub for _nc_TABSIZE
 #endif
 
+	return _nc_TABSIZE ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:11711: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:15206: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:11714: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:11717: \"$ac_try\"") >&5
+  echo "$as_me:15209: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:15212: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11720: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:15215: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func__nc_TABSIZE=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func__nc_TABSIZE=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:11730: result: $ac_cv_func__nc_TABSIZE" >&5
+echo "$as_me:15225: result: $ac_cv_func__nc_TABSIZE" >&5
 echo "${ECHO_T}$ac_cv_func__nc_TABSIZE" >&6
-if test $ac_cv_func__nc_TABSIZE = yes; then
+if test "$ac_cv_func__nc_TABSIZE" = yes; then
   assume_reentrant=yes
 else
   assume_reentrant=no
@@ -11739,7 +15234,7 @@ fi
 # opaque outside of that, so there is no --enable-opaque option.  We can use
 # this option without --with-pthreads, but this will be always set for
 # pthreads.
-echo "$as_me:11742: checking if you want experimental reentrant code" >&5
+echo "$as_me:15237: checking if you want experimental reentrant code" >&5
 echo $ECHO_N "checking if you want experimental reentrant code... $ECHO_C" >&6
 
 # Check whether --enable-reentrant or --disable-reentrant was given.
@@ -11749,7 +15244,7 @@ if test "${enable_reentrant+set}" = set; then
 else
   with_reentrant=$assume_reentrant
 fi;
-echo "$as_me:11752: result: $with_reentrant" >&5
+echo "$as_me:15247: result: $with_reentrant" >&5
 echo "${ECHO_T}$with_reentrant" >&6
 if test "$with_reentrant" = yes ; then
 	cf_cv_enable_reentrant=1
@@ -11772,7 +15267,7 @@ fi
 
 ### Allow using a different wrap-prefix
 if test "$cf_cv_enable_reentrant" != 0 || test "$BROKEN_LINKER" = 1 ; then
-	echo "$as_me:11775: checking for prefix used to wrap public variables" >&5
+	echo "$as_me:15270: checking for prefix used to wrap public variables" >&5
 echo $ECHO_N "checking for prefix used to wrap public variables... $ECHO_C" >&6
 
 # Check whether --with-wrap-prefix or --without-wrap-prefix was given.
@@ -11782,7 +15277,7 @@ if test "${with_wrap_prefix+set}" = set; then
 else
   NCURSES_WRAP_PREFIX=_nc_
 fi;
-	echo "$as_me:11785: result: $NCURSES_WRAP_PREFIX" >&5
+	echo "$as_me:15280: result: $NCURSES_WRAP_PREFIX" >&5
 echo "${ECHO_T}$NCURSES_WRAP_PREFIX" >&6
 else
 	NCURSES_WRAP_PREFIX=_nc_
@@ -11796,7 +15291,7 @@ EOF
 
 ###	use option --disable-echo to suppress full display compiling commands
 
-echo "$as_me:11799: checking if you want to see long compiling messages" >&5
+echo "$as_me:15294: checking if you want to see long compiling messages" >&5
 echo $ECHO_N "checking if you want to see long compiling messages... $ECHO_C" >&6
 
 # Check whether --enable-echo or --disable-echo was given.
@@ -11830,132 +15325,362 @@ else
 	ECHO_CC=''
 
 fi;
-echo "$as_me:11833: result: $enableval" >&5
+echo "$as_me:15328: result: $enableval" >&5
 echo "${ECHO_T}$enableval" >&6
 
-###	use option --enable-warnings to turn on all gcc warnings
-echo "$as_me:11837: checking if you want to see compiler warnings" >&5
-echo $ECHO_N "checking if you want to see compiler warnings... $ECHO_C" >&6
+echo "$as_me:15331: checking if you want to use C11 _Noreturn feature" >&5
+echo $ECHO_N "checking if you want to use C11 _Noreturn feature... $ECHO_C" >&6
+
+# Check whether --enable-stdnoreturn or --disable-stdnoreturn was given.
+if test "${enable_stdnoreturn+set}" = set; then
+  enableval="$enable_stdnoreturn"
+  test "$enableval" != yes && enableval=no
+	if test "$enableval" != "no" ; then
+    enable_stdnoreturn=yes
+	else
+		enable_stdnoreturn=no
+	fi
+else
+  enableval=no
+	enable_stdnoreturn=no
+
+fi;
+echo "$as_me:15348: result: $enable_stdnoreturn" >&5
+echo "${ECHO_T}$enable_stdnoreturn" >&6
+
+if test $enable_stdnoreturn = yes; then
+echo "$as_me:15352: checking for C11 _Noreturn feature" >&5
+echo $ECHO_N "checking for C11 _Noreturn feature... $ECHO_C" >&6
+if test "${cf_cv_c11_noreturn+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 15358 "configure"
+#include "confdefs.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdnoreturn.h>
+static _Noreturn void giveup(void) { exit(0); }
+
+int
+main (void)
+{
+if (feof(stdin)) giveup()
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:15375: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:15378: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:15381: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:15384: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+  cf_cv_c11_noreturn=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_c11_noreturn=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+fi
+echo "$as_me:15395: result: $cf_cv_c11_noreturn" >&5
+echo "${ECHO_T}$cf_cv_c11_noreturn" >&6
+else
+	cf_cv_c11_noreturn=no,
+fi
+
+if test "$cf_cv_c11_noreturn" = yes; then
+
+cat >>confdefs.h <<\EOF
+#define HAVE_STDNORETURN_H 1
+EOF
+
+cat >>confdefs.h <<EOF
+#define STDC_NORETURN _Noreturn
+EOF
+
+	HAVE_STDNORETURN_H=1
+else
+	HAVE_STDNORETURN_H=0
+fi
+
+if test "$GCC" = yes || test "$GXX" = yes
+then
+
+if test "$GCC" = yes || test "$GXX" = yes
+then
+	case $CFLAGS in
+	(*-Werror=*)
+		test -n "$verbose" && echo "	repairing CFLAGS: $CFLAGS" 1>&6
+
+echo "${as_me:-configure}:15425: testing repairing CFLAGS: $CFLAGS ..." 1>&5
+
+		cf_temp_flags=
+		for cf_temp_scan in $CFLAGS
+		do
+			case "x$cf_temp_scan" in
+			(x-Werror=*)
+
+	test -n "$EXTRA_CFLAGS" && EXTRA_CFLAGS="$EXTRA_CFLAGS "
+	EXTRA_CFLAGS="${EXTRA_CFLAGS}$cf_temp_scan"
+
+				;;
+			(*)
+
+	test -n "$cf_temp_flags" && cf_temp_flags="$cf_temp_flags "
+	cf_temp_flags="${cf_temp_flags}$cf_temp_scan"
+
+				;;
+			esac
+		done
+		CFLAGS="$cf_temp_flags"
+		test -n "$verbose" && echo "	... fixed $CFLAGS" 1>&6
+
+echo "${as_me:-configure}:15448: testing ... fixed $CFLAGS ..." 1>&5
+
+		test -n "$verbose" && echo "	... extra $EXTRA_CFLAGS" 1>&6
+
+echo "${as_me:-configure}:15452: testing ... extra $EXTRA_CFLAGS ..." 1>&5
+
+		;;
+	esac
+fi
+
+if test "$GCC" = yes || test "$GXX" = yes
+then
+	case $CPPFLAGS in
+	(*-Werror=*)
+		test -n "$verbose" && echo "	repairing CPPFLAGS: $CPPFLAGS" 1>&6
+
+echo "${as_me:-configure}:15464: testing repairing CPPFLAGS: $CPPFLAGS ..." 1>&5
+
+		cf_temp_flags=
+		for cf_temp_scan in $CPPFLAGS
+		do
+			case "x$cf_temp_scan" in
+			(x-Werror=*)
+
+	test -n "$EXTRA_CFLAGS" && EXTRA_CFLAGS="$EXTRA_CFLAGS "
+	EXTRA_CFLAGS="${EXTRA_CFLAGS}$cf_temp_scan"
+
+				;;
+			(*)
+
+	test -n "$cf_temp_flags" && cf_temp_flags="$cf_temp_flags "
+	cf_temp_flags="${cf_temp_flags}$cf_temp_scan"
+
+				;;
+			esac
+		done
+		CPPFLAGS="$cf_temp_flags"
+		test -n "$verbose" && echo "	... fixed $CPPFLAGS" 1>&6
+
+echo "${as_me:-configure}:15487: testing ... fixed $CPPFLAGS ..." 1>&5
+
+		test -n "$verbose" && echo "	... extra $EXTRA_CFLAGS" 1>&6
+
+echo "${as_me:-configure}:15491: testing ... extra $EXTRA_CFLAGS ..." 1>&5
+
+		;;
+	esac
+fi
+
+if test "$GCC" = yes || test "$GXX" = yes
+then
+	case $LDFLAGS in
+	(*-Werror=*)
+		test -n "$verbose" && echo "	repairing LDFLAGS: $LDFLAGS" 1>&6
+
+echo "${as_me:-configure}:15503: testing repairing LDFLAGS: $LDFLAGS ..." 1>&5
+
+		cf_temp_flags=
+		for cf_temp_scan in $LDFLAGS
+		do
+			case "x$cf_temp_scan" in
+			(x-Werror=*)
+
+	test -n "$EXTRA_CFLAGS" && EXTRA_CFLAGS="$EXTRA_CFLAGS "
+	EXTRA_CFLAGS="${EXTRA_CFLAGS}$cf_temp_scan"
+
+				;;
+			(*)
+
+	test -n "$cf_temp_flags" && cf_temp_flags="$cf_temp_flags "
+	cf_temp_flags="${cf_temp_flags}$cf_temp_scan"
+
+				;;
+			esac
+		done
+		LDFLAGS="$cf_temp_flags"
+		test -n "$verbose" && echo "	... fixed $LDFLAGS" 1>&6
+
+echo "${as_me:-configure}:15526: testing ... fixed $LDFLAGS ..." 1>&5
+
+		test -n "$verbose" && echo "	... extra $EXTRA_CFLAGS" 1>&6
+
+echo "${as_me:-configure}:15530: testing ... extra $EXTRA_CFLAGS ..." 1>&5
+
+		;;
+	esac
+fi
+
+echo "$as_me:15536: checking if you want to turn on gcc warnings" >&5
+echo $ECHO_N "checking if you want to turn on gcc warnings... $ECHO_C" >&6
 
 # Check whether --enable-warnings or --disable-warnings was given.
 if test "${enable_warnings+set}" = set; then
   enableval="$enable_warnings"
-  with_warnings=$enableval
-fi;
-echo "$as_me:11845: result: $with_warnings" >&5
-echo "${ECHO_T}$with_warnings" >&6
+  test "$enableval" != yes && enableval=no
+	if test "$enableval" != "no" ; then
+    enable_warnings=yes
+	else
+		enable_warnings=no
+	fi
+else
+  enableval=no
+	enable_warnings=no
 
-if test "x$with_warnings" = "xyes"; then
+fi;
+echo "$as_me:15553: result: $enable_warnings" >&5
+echo "${ECHO_T}$enable_warnings" >&6
+if test "$enable_warnings" = "yes"
+then
 
- 	ADAFLAGS="$ADAFLAGS -gnatg"
+if test "x$have_x" = xyes; then
 
-INTEL_COMPILER=no
+cf_save_LIBS_CF_CONST_X_STRING="$LIBS"
+cf_save_CFLAGS_CF_CONST_X_STRING="$CFLAGS"
+cf_save_CPPFLAGS_CF_CONST_X_STRING="$CPPFLAGS"
+LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
+for cf_X_CFLAGS in $X_CFLAGS
+do
+	case "x$cf_X_CFLAGS" in
+	x-[IUD]*)
+		CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
+		;;
+	*)
+		CFLAGS="$CFLAGS $cf_X_CFLAGS"
+		;;
+	esac
+done
 
-if test "$GCC" = yes ; then
-	case $host_os in
-	(linux*|gnu*)
-		echo "$as_me:11857: checking if this is really Intel C compiler" >&5
-echo $ECHO_N "checking if this is really Intel C compiler... $ECHO_C" >&6
-		cf_save_CFLAGS="$CFLAGS"
-		CFLAGS="$CFLAGS -no-gcc"
-		cat >conftest.$ac_ext <<_ACEOF
-#line 11862 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 15577 "configure"
 #include "confdefs.h"
 
+#include <stdlib.h>
+#include <X11/Intrinsic.h>
+
 int
-main ()
+main (void)
 {
+String foo = malloc(1); free((void*)foo)
+  ;
+  return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:15592: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:15595: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:15598: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:15601: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
 
-#ifdef __INTEL_COMPILER
-#else
-make an error
-#endif
+echo "$as_me:15604: checking for X11/Xt const-feature" >&5
+echo $ECHO_N "checking for X11/Xt const-feature... $ECHO_C" >&6
+if test "${cf_cv_const_x_string+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+	cat >"conftest.$ac_ext" <<_ACEOF
+#line 15611 "configure"
+#include "confdefs.h"
+
+#define _CONST_X_STRING	/* X11R7.8 (perhaps) */
+#undef  XTSTRINGDEFINES	/* X11R5 and later */
+#include <stdlib.h>
+#include <X11/Intrinsic.h>
 
+int
+main (void)
+{
+String foo = malloc(1); *foo = 0
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11879: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:15628: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11882: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11885: \"$ac_try\"") >&5
+  echo "$as_me:15631: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:15634: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:11888: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  INTEL_COMPILER=yes
-cf_save_CFLAGS="$cf_save_CFLAGS -we147"
+  echo "$as_me:15637: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
+
+			cf_cv_const_x_string=no
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
+
+			cf_cv_const_x_string=yes
+
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-		CFLAGS="$cf_save_CFLAGS"
-		echo "$as_me:11899: result: $INTEL_COMPILER" >&5
-echo "${ECHO_T}$INTEL_COMPILER" >&6
-		;;
-	esac
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
 fi
+echo "$as_me:15652: result: $cf_cv_const_x_string" >&5
+echo "${ECHO_T}$cf_cv_const_x_string" >&6
 
-CLANG_COMPILER=no
+LIBS="$cf_save_LIBS_CF_CONST_X_STRING"
+CFLAGS="$cf_save_CFLAGS_CF_CONST_X_STRING"
+CPPFLAGS="$cf_save_CPPFLAGS_CF_CONST_X_STRING"
 
-if test "$GCC" = yes ; then
-	echo "$as_me:11908: checking if this is really Clang C compiler" >&5
-echo $ECHO_N "checking if this is really Clang C compiler... $ECHO_C" >&6
-	cf_save_CFLAGS="$CFLAGS"
-	CFLAGS="$CFLAGS -Qunused-arguments"
-	cat >conftest.$ac_ext <<_ACEOF
-#line 11913 "configure"
-#include "confdefs.h"
+case "$cf_cv_const_x_string" in
+(no)
 
-int
-main ()
-{
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-DXTSTRINGDEFINES"
 
-#ifdef __clang__
-#else
-make an error
-#endif
+	;;
+(*)
+
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}-D_CONST_X_STRING"
 
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:11930: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>&5
-  ac_status=$?
-  echo "$as_me:11933: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:11936: \"$ac_try\"") >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  echo "$as_me:11939: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  CLANG_COMPILER=yes
-cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
+	;;
+esac
 
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-fi
-rm -f conftest.$ac_objext conftest.$ac_ext
-	CFLAGS="$cf_save_CFLAGS"
-	echo "$as_me:11950: result: $CLANG_COMPILER" >&5
-echo "${ECHO_T}$CLANG_COMPILER" >&6
+cat "conftest.$ac_ext" >&5
 fi
-
-cat > conftest.$ac_ext <<EOF
-#line 11955 "${as_me:-configure}"
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+ fi
+cat > "conftest.$ac_ext" <<EOF
+#line 15681 "${as_me:-configure}"
 int main(int argc, char *argv[]) { return (argv[argc-1] == 0) ; }
 EOF
-
 if test "$INTEL_COMPILER" = yes
 then
 # The "-wdXXX" options suppress warnings:
@@ -11969,10 +15694,10 @@ then
 # remark #981: operands are evaluated in unspecified order
 # warning #279: controlling expression is constant
 
-	{ echo "$as_me:11972: checking for $CC warning options..." >&5
+	{ echo "$as_me:15697: checking for $CC warning options..." >&5
 echo "$as_me: checking for $CC warning options..." >&6;}
 	cf_save_CFLAGS="$CFLAGS"
-	EXTRA_CFLAGS="-Wall"
+	EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
 	for cf_opt in \
 		wd1419 \
 		wd1683 \
@@ -11985,24 +15710,22 @@ echo "$as_me: checking for $CC warning options..." >&6;}
 		wd981
 	do
 		CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
-		if { (eval echo "$as_me:11988: \"$ac_compile\"") >&5
+		if { (eval echo "$as_me:15713: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:11991: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-			test -n "$verbose" && echo "$as_me:11993: result: ... -$cf_opt" >&5
+  echo "$as_me:15716: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
+			test -n "$verbose" && echo "$as_me:15718: result: ... -$cf_opt" >&5
 echo "${ECHO_T}... -$cf_opt" >&6
 			EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
 		fi
 	done
 	CFLAGS="$cf_save_CFLAGS"
-
-elif test "$GCC" = yes
+elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
 then
-	{ echo "$as_me:12002: checking for $CC warning options..." >&5
+	{ echo "$as_me:15726: checking for $CC warning options..." >&5
 echo "$as_me: checking for $CC warning options..." >&6;}
 	cf_save_CFLAGS="$CFLAGS"
-	EXTRA_CFLAGS=
 	cf_warn_CONST=""
 	test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
 	cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
@@ -12020,36 +15743,33 @@ echo "$as_me: checking for $CC warning options..." >&6;}
 		Wpointer-arith \
 		Wshadow \
 		Wstrict-prototypes \
-		Wundef $cf_gcc_warnings $cf_warn_CONST Wno-unknown-pragmas Wswitch-enum
+		Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST Wno-unknown-pragmas Wswitch-enum
 	do
 		CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
-		if { (eval echo "$as_me:12026: \"$ac_compile\"") >&5
+		if { (eval echo "$as_me:15749: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12029: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-			test -n "$verbose" && echo "$as_me:12031: result: ... -$cf_opt" >&5
+  echo "$as_me:15752: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
+			test -n "$verbose" && echo "$as_me:15754: result: ... -$cf_opt" >&5
 echo "${ECHO_T}... -$cf_opt" >&6
-			case $cf_opt in
-			(Wcast-qual)
-				CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
-				;;
+			case "$cf_opt" in
 			(Winline)
-				case $GCC_VERSION in
+				case "$GCC_VERSION" in
 				([34].*)
 					test -n "$verbose" && echo "	feature is broken in gcc $GCC_VERSION" 1>&6
 
-echo "${as_me:-configure}:12042: testing feature is broken in gcc $GCC_VERSION ..." 1>&5
+echo "${as_me:-configure}:15762: testing feature is broken in gcc $GCC_VERSION ..." 1>&5
 
 					continue;;
 				esac
 				;;
 			(Wpointer-arith)
-				case $GCC_VERSION in
+				case "$GCC_VERSION" in
 				([12].*)
 					test -n "$verbose" && echo "	feature is broken in gcc $GCC_VERSION" 1>&6
 
-echo "${as_me:-configure}:12052: testing feature is broken in gcc $GCC_VERSION ..." 1>&5
+echo "${as_me:-configure}:15772: testing feature is broken in gcc $GCC_VERSION ..." 1>&5
 
 					continue;;
 				esac
@@ -12060,11 +15780,11 @@ echo "${as_me:-configure}:12052: testing feature is broken in gcc $GCC_VERSION .
 	done
 	CFLAGS="$cf_save_CFLAGS"
 fi
-rm -rf conftest*
+rm -rf ./conftest*
 
 fi
 
-if test "$GCC" = yes
+if test "$GCC" = yes || test "$GXX" = yes
 then
 cat > conftest.i <<EOF
 #ifndef GCC_PRINTF
@@ -12082,10 +15802,10 @@ cat > conftest.i <<EOF
 EOF
 if test "$GCC" = yes
 then
-	{ echo "$as_me:12085: checking for $CC __attribute__ directives..." >&5
+	{ echo "$as_me:15805: checking for $CC __attribute__ directives..." >&5
 echo "$as_me: checking for $CC __attribute__ directives..." >&6;}
-cat > conftest.$ac_ext <<EOF
-#line 12088 "${as_me:-configure}"
+cat > "conftest.$ac_ext" <<EOF
+#line 15808 "${as_me:-configure}"
 #include "confdefs.h"
 #include "conftest.h"
 #include "conftest.i"
@@ -12100,9 +15820,9 @@ cat > conftest.$ac_ext <<EOF
 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
 #endif
 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
-extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
-extern void foo(void) GCC_NORETURN;
-int main(int argc GCC_UNUSED, char *argv[] GCC_UNUSED) { return 0; }
+extern GCC_NORETURN void oops(char *,...) GCC_PRINTFLIKE(1,2);
+extern GCC_NORETURN void foo(void);
+int main(int argc GCC_UNUSED, char *argv[] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
 EOF
 	cf_printf_attribute=no
 	cf_scanf_attribute=no
@@ -12114,7 +15834,7 @@ cf_ATTRIBUTE=`echo "$cf_attribute" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFG
 		cf_directive="__attribute__(($cf_attribute))"
 		echo "checking for $CC $cf_directive" 1>&5
 
-		case $cf_attribute in
+		case "$cf_attribute" in
 		(printf)
 			cf_printf_attribute=yes
 			cat >conftest.h <<EOF
@@ -12134,15 +15854,15 @@ EOF
 			;;
 		esac
 
-		if { (eval echo "$as_me:12137: \"$ac_compile\"") >&5
+		if { (eval echo "$as_me:15857: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12140: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
-			test -n "$verbose" && echo "$as_me:12142: result: ... $cf_attribute" >&5
+  echo "$as_me:15860: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
+			test -n "$verbose" && echo "$as_me:15862: result: ... $cf_attribute" >&5
 echo "${ECHO_T}... $cf_attribute" >&6
 			cat conftest.h >>confdefs.h
-			case $cf_attribute in
+			case "$cf_attribute" in
 			(noreturn)
 
 cat >>confdefs.h <<EOF
@@ -12193,13 +15913,21 @@ EOF
 		fi
 	done
 else
-	fgrep define conftest.i >>confdefs.h
+	${FGREP-fgrep} define conftest.i >>confdefs.h
 fi
-rm -rf conftest*
+rm -rf ./conftest*
+fi
+
+fi
+
+if test "x$enable_warnings" = "xyes"; then
+
+ 	ADAFLAGS="$ADAFLAGS -gnatg"
+
 fi
 
 ###	use option --enable-assertions to turn on generation of assertion code
-echo "$as_me:12202: checking if you want to enable runtime assertions" >&5
+echo "$as_me:15930: checking if you want to enable runtime assertions" >&5
 echo $ECHO_N "checking if you want to enable runtime assertions... $ECHO_C" >&6
 
 # Check whether --enable-assertions or --disable-assertions was given.
@@ -12209,7 +15937,7 @@ if test "${enable_assertions+set}" = set; then
 else
   with_assertions=no
 fi;
-echo "$as_me:12212: result: $with_assertions" >&5
+echo "$as_me:15940: result: $with_assertions" >&5
 echo "${ECHO_T}$with_assertions" >&6
 if test -n "$GCC"
 then
@@ -12262,7 +15990,7 @@ case "$CFLAGS $CPPFLAGS" in
 	;;
 esac
 
-echo "$as_me:12265: checking whether to add trace feature to all models" >&5
+echo "$as_me:15993: checking whether to add trace feature to all models" >&5
 echo $ECHO_N "checking whether to add trace feature to all models... $ECHO_C" >&6
 
 # Check whether --with-trace or --without-trace was given.
@@ -12272,7 +16000,7 @@ if test "${with_trace+set}" = set; then
 else
   cf_with_trace=$cf_all_traces
 fi;
-echo "$as_me:12275: result: $cf_with_trace" >&5
+echo "$as_me:16003: result: $cf_with_trace" >&5
 echo "${ECHO_T}$cf_with_trace" >&6
 
 if test "$cf_with_trace" = yes ; then
@@ -12285,23 +16013,29 @@ cf_new_extra_cppflags=
 
 for cf_add_cflags in -DTRACE
 do
-case $cf_fix_cppflags in
+case "$cf_fix_cppflags" in
 (no)
-	case $cf_add_cflags in
+	case "$cf_add_cflags" in
 	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
+		case "$cf_add_cflags" in
 		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
+			cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
 
 			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 				&& test -z "${cf_tst_cflags}" \
 				&& cf_fix_cppflags=yes
 
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+			if test "$cf_fix_cppflags" = yes ; then
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
 				continue
 			fi
 			;;
@@ -12310,7 +16044,7 @@ case $cf_fix_cppflags in
 		(*$cf_add_cflags)
 			;;
 		(*)
-			case $cf_add_cflags in
+			case "$cf_add_cflags" in
 			(-D*)
 				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 
@@ -12320,19 +16054,27 @@ CPPFLAGS=`echo "$CPPFLAGS" | \
 
 				;;
 			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+
+	test -n "$cf_new_cppflags" && cf_new_cppflags="$cf_new_cppflags "
+	cf_new_cppflags="${cf_new_cppflags}$cf_add_cflags"
+
 			;;
 		esac
 		;;
 	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+
+	test -n "$cf_new_cflags" && cf_new_cflags="$cf_new_cflags "
+	cf_new_cflags="${cf_new_cflags}$cf_add_cflags"
+
 		;;
 	esac
 	;;
 (yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
+	test -n "$cf_new_extra_cppflags" && cf_new_extra_cppflags="$cf_new_extra_cppflags "
+	cf_new_extra_cppflags="${cf_new_extra_cppflags}$cf_add_cflags"
+
+	cf_tst_cflags=`echo "${cf_add_cflags}" |sed -e 's/^[^"]*"'\''//'`
 
 	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 		&& test -z "${cf_tst_cflags}" \
@@ -12343,24 +16085,30 @@ done
 
 if test -n "$cf_new_cflags" ; then
 
-	CFLAGS="$CFLAGS $cf_new_cflags"
+	test -n "$CFLAGS" && CFLAGS="$CFLAGS "
+	CFLAGS="${CFLAGS}$cf_new_cflags"
+
 fi
 
 if test -n "$cf_new_cppflags" ; then
 
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
+	test -n "$CPPFLAGS" && CPPFLAGS="$CPPFLAGS "
+	CPPFLAGS="${CPPFLAGS}$cf_new_cppflags"
+
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
 
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+	test -n "$EXTRA_CPPFLAGS" && EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS "
+	EXTRA_CPPFLAGS="${EXTRA_CPPFLAGS}$cf_new_extra_cppflags"
+
 fi
 
 else
 	ADA_TRACE=FALSE
 fi
 
-echo "$as_me:12363: checking if we want to use GNAT projects" >&5
+echo "$as_me:16111: checking if we want to use GNAT projects" >&5
 echo $ECHO_N "checking if we want to use GNAT projects... $ECHO_C" >&6
 
 # Check whether --enable-gnat-projects or --disable-gnat-projects was given.
@@ -12377,7 +16125,7 @@ else
 	enable_gnat_projects=yes
 
 fi;
-echo "$as_me:12380: result: $enable_gnat_projects" >&5
+echo "$as_me:16128: result: $enable_gnat_projects" >&5
 echo "${ECHO_T}$enable_gnat_projects" >&6
 
 ###	Checks for libraries.
@@ -12385,80 +16133,80 @@ case $cf_cv_system_name in
 (*mingw32*)
 	;;
 (*)
-echo "$as_me:12388: checking for gettimeofday" >&5
+echo "$as_me:16136: checking for gettimeofday" >&5
 echo $ECHO_N "checking for gettimeofday... $ECHO_C" >&6
 if test "${ac_cv_func_gettimeofday+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12394 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16142 "configure"
 #include "confdefs.h"
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char gettimeofday (); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
+#define gettimeofday autoconf_temporary
+#include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
+#undef gettimeofday
+
 #ifdef __cplusplus
 extern "C"
 #endif
+
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char gettimeofday ();
-char (*f) ();
+char gettimeofday (void);
 
 int
-main ()
+main (void)
 {
-/* The GNU C library defines this for functions which it implements
+
+/* The GNU C library defines stubs for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
 #if defined (__stub_gettimeofday) || defined (__stub___gettimeofday)
-choke me
-#else
-f = gettimeofday; /* workaround for ICC 12.0.3 */ if (f == 0) return 1;
+#error found stub for gettimeofday
 #endif
 
+	return gettimeofday ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12425: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:16173: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12428: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12431: \"$ac_try\"") >&5
+  echo "$as_me:16176: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:16179: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12434: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16182: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_gettimeofday=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_gettimeofday=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:12444: result: $ac_cv_func_gettimeofday" >&5
+echo "$as_me:16192: result: $ac_cv_func_gettimeofday" >&5
 echo "${ECHO_T}$ac_cv_func_gettimeofday" >&6
-if test $ac_cv_func_gettimeofday = yes; then
+if test "$ac_cv_func_gettimeofday" = yes; then
   cat >>confdefs.h <<\EOF
 #define HAVE_GETTIMEOFDAY 1
 EOF
 
 else
 
-echo "$as_me:12453: checking for gettimeofday in -lbsd" >&5
+echo "$as_me:16201: checking for gettimeofday in -lbsd" >&5
 echo $ECHO_N "checking for gettimeofday in -lbsd... $ECHO_C" >&6
 if test "${ac_cv_lib_bsd_gettimeofday+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lbsd  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 12461 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 16209 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -12469,37 +16217,37 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char gettimeofday ();
 int
-main ()
+main (void)
 {
 gettimeofday ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:12480: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:16228: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12483: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:12486: \"$ac_try\"") >&5
+  echo "$as_me:16231: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:16234: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12489: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16237: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_bsd_gettimeofday=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_bsd_gettimeofday=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:12500: result: $ac_cv_lib_bsd_gettimeofday" >&5
+echo "$as_me:16248: result: $ac_cv_lib_bsd_gettimeofday" >&5
 echo "${ECHO_T}$ac_cv_lib_bsd_gettimeofday" >&6
-if test $ac_cv_lib_bsd_gettimeofday = yes; then
+if test "$ac_cv_lib_bsd_gettimeofday" = yes; then
 
 cat >>confdefs.h <<\EOF
 #define HAVE_GETTIMEOFDAY 1
@@ -12513,13 +16261,13 @@ fi
 esac
 
 ###	Checks for header files.
-echo "$as_me:12516: checking for ANSI C header files" >&5
+echo "$as_me:16264: checking for ANSI C header files" >&5
 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
 if test "${ac_cv_header_stdc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12522 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16270 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -12527,14 +16275,14 @@ else
 #include <float.h>
 
 _ACEOF
-if { (eval echo "$as_me:12530: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:16278: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:12536: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:16284: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -12547,21 +16295,21 @@ if test -z "$ac_cpp_err"; then
   ac_cv_header_stdc=yes
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   ac_cv_header_stdc=no
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12558 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16306 "configure"
 #include "confdefs.h"
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "memchr" >/dev/null 2>&1; then
+  $EGREP "memchr" >/dev/null 2>&1; then
   :
 else
   ac_cv_header_stdc=no
@@ -12572,14 +16320,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12576 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16324 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "free" >/dev/null 2>&1; then
+  $EGREP "free" >/dev/null 2>&1; then
   :
 else
   ac_cv_header_stdc=no
@@ -12593,8 +16341,8 @@ if test $ac_cv_header_stdc = yes; then
   if test "$cross_compiling" = yes; then
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12597 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16345 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #if ((' ' & 0x0FF) == 0x020)
@@ -12609,7 +16357,7 @@ else
 
 #define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
 int
-main ()
+main (void)
 {
   int i;
   for (i = 0; i < 256; i++)
@@ -12619,29 +16367,29 @@ main ()
   $ac_main_return (0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:12623: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:16371: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12626: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:12628: \"$ac_try\"") >&5
+  echo "$as_me:16374: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:16376: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12631: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16379: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_header_stdc=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 fi
 fi
-echo "$as_me:12644: result: $ac_cv_header_stdc" >&5
+echo "$as_me:16392: result: $ac_cv_header_stdc" >&5
 echo "${ECHO_T}$ac_cv_header_stdc" >&6
 if test $ac_cv_header_stdc = yes; then
 
@@ -12657,40 +16405,40 @@ for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
                   inttypes.h stdint.h unistd.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-echo "$as_me:12660: checking for $ac_header" >&5
+echo "$as_me:16408: checking for $ac_header" >&5
 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12666 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16414 "configure"
 #include "confdefs.h"
 $ac_includes_default
 #include <$ac_header>
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:12672: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:16420: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12675: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:12678: \"$ac_try\"") >&5
+  echo "$as_me:16423: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:16426: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12681: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16429: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 eval "$as_ac_Header=no"
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:12691: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:16439: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 EOF
@@ -12698,17 +16446,17 @@ EOF
 fi
 done
 
-echo "$as_me:12701: checking for signed char" >&5
+echo "$as_me:16449: checking for signed char" >&5
 echo $ECHO_N "checking for signed char... $ECHO_C" >&6
 if test "${ac_cv_type_signed_char+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12707 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16455 "configure"
 #include "confdefs.h"
 $ac_includes_default
 int
-main ()
+main (void)
 {
 if ((signed char *) 0)
   return 0;
@@ -12718,30 +16466,30 @@ if (sizeof (signed char))
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:12722: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:16470: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12725: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:12728: \"$ac_try\"") >&5
+  echo "$as_me:16473: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:16476: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12731: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16479: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_type_signed_char=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_type_signed_char=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:12741: result: $ac_cv_type_signed_char" >&5
+echo "$as_me:16489: result: $ac_cv_type_signed_char" >&5
 echo "${ECHO_T}$ac_cv_type_signed_char" >&6
 
-echo "$as_me:12744: checking size of signed char" >&5
+echo "$as_me:16492: checking size of signed char" >&5
 echo $ECHO_N "checking size of signed char... $ECHO_C" >&6
 if test "${ac_cv_sizeof_signed_char+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -12749,179 +16497,179 @@ else
   if test "$ac_cv_type_signed_char" = yes; then
   if test "$cross_compiling" = yes; then
   # Depending upon the size, compute the lo and hi bounds.
-cat >conftest.$ac_ext <<_ACEOF
-#line 12753 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 16501 "configure"
 #include "confdefs.h"
 $ac_includes_default
 int
-main ()
+main (void)
 {
 int _array_ [1 - 2 * !((sizeof (signed char)) >= 0)]
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:12765: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:16513: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12768: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:12771: \"$ac_try\"") >&5
+  echo "$as_me:16516: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:16519: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12774: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16522: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_lo=0 ac_mid=0
   while :; do
-    cat >conftest.$ac_ext <<_ACEOF
-#line 12779 "configure"
+    cat >"conftest.$ac_ext" <<_ACEOF
+#line 16527 "configure"
 #include "confdefs.h"
 $ac_includes_default
 int
-main ()
+main (void)
 {
 int _array_ [1 - 2 * !((sizeof (signed char)) <= $ac_mid)]
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:12791: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:16539: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12794: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:12797: \"$ac_try\"") >&5
+  echo "$as_me:16542: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:16545: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12800: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16548: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_hi=$ac_mid; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-ac_lo=`expr $ac_mid + 1`; ac_mid=`expr 2 '*' $ac_mid + 1`
+cat "conftest.$ac_ext" >&5
+ac_lo=`expr "$ac_mid" + 1`; ac_mid=`expr 2 '*' "$ac_mid" + 1`
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
   done
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_hi=-1 ac_mid=-1
   while :; do
-    cat >conftest.$ac_ext <<_ACEOF
-#line 12816 "configure"
+    cat >"conftest.$ac_ext" <<_ACEOF
+#line 16564 "configure"
 #include "confdefs.h"
 $ac_includes_default
 int
-main ()
+main (void)
 {
 int _array_ [1 - 2 * !((sizeof (signed char)) >= $ac_mid)]
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:12828: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:16576: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12831: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:12834: \"$ac_try\"") >&5
+  echo "$as_me:16579: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:16582: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12837: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16585: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_lo=$ac_mid; break
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-ac_hi=`expr $ac_mid - 1`; ac_mid=`expr 2 '*' $ac_mid`
+cat "conftest.$ac_ext" >&5
+ac_hi=`expr "$ac_mid" - 1`; ac_mid=`expr 2 '*' "$ac_mid"`
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
   done
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 # Binary search between lo and hi bounds.
 while test "x$ac_lo" != "x$ac_hi"; do
-  ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12853 "configure"
+  ac_mid=`expr '(' "$ac_hi" - "$ac_lo" ')' / 2 + "$ac_lo"`
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16601 "configure"
 #include "confdefs.h"
 $ac_includes_default
 int
-main ()
+main (void)
 {
 int _array_ [1 - 2 * !((sizeof (signed char)) <= $ac_mid)]
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:12865: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:16613: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:12868: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:12871: \"$ac_try\"") >&5
+  echo "$as_me:16616: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:16619: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12874: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16622: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_hi=$ac_mid
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
-ac_lo=`expr $ac_mid + 1`
+cat "conftest.$ac_ext" >&5
+ac_lo=`expr "$ac_mid" + 1`
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 done
 ac_cv_sizeof_signed_char=$ac_lo
 else
   if test "$cross_compiling" = yes; then
-  { { echo "$as_me:12887: error: cannot run test program while cross compiling" >&5
+  { { echo "$as_me:16635: error: cannot run test program while cross compiling" >&5
 echo "$as_me: error: cannot run test program while cross compiling" >&2;}
    { (exit 1); exit 1; }; }
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12892 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16640 "configure"
 #include "confdefs.h"
 $ac_includes_default
 int
-main ()
+main (void)
 {
 FILE *f = fopen ("conftest.val", "w");
 if (!f)
   $ac_main_return (1);
-fprintf (f, "%d", (sizeof (signed char)));
+fprintf (f, "%ld", (long)(sizeof (signed char)));
 fclose (f);
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:12908: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:16656: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:12911: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:12913: \"$ac_try\"") >&5
+  echo "$as_me:16659: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:16661: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:12916: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16664: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_sizeof_signed_char=`cat conftest.val`
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 fi
 rm -f conftest.val
@@ -12929,19 +16677,19 @@ else
   ac_cv_sizeof_signed_char=0
 fi
 fi
-echo "$as_me:12932: result: $ac_cv_sizeof_signed_char" >&5
+echo "$as_me:16680: result: $ac_cv_sizeof_signed_char" >&5
 echo "${ECHO_T}$ac_cv_sizeof_signed_char" >&6
 cat >>confdefs.h <<EOF
 #define SIZEOF_SIGNED_CHAR $ac_cv_sizeof_signed_char
 EOF
 
-echo "$as_me:12938: checking for ANSI C header files" >&5
+echo "$as_me:16686: checking for ANSI C header files" >&5
 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
 if test "${ac_cv_header_stdc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12944 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16692 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -12949,14 +16697,14 @@ else
 #include <float.h>
 
 _ACEOF
-if { (eval echo "$as_me:12952: \"$ac_cpp conftest.$ac_ext\"") >&5
-  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+if { (eval echo "$as_me:16700: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
   ac_status=$?
-  egrep -v '^ *\+' conftest.er1 >conftest.err
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
   rm -f conftest.er1
   cat conftest.err >&5
-  echo "$as_me:12958: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null; then
+  echo "$as_me:16706: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
   if test -s conftest.err; then
     ac_cpp_err=$ac_c_preproc_warn_flag
   else
@@ -12969,21 +16717,21 @@ if test -z "$ac_cpp_err"; then
   ac_cv_header_stdc=yes
 else
   echo "$as_me: failed program was:" >&5
-  cat conftest.$ac_ext >&5
+  cat "conftest.$ac_ext" >&5
   ac_cv_header_stdc=no
 fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err "conftest.$ac_ext"
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12980 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16728 "configure"
 #include "confdefs.h"
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "memchr" >/dev/null 2>&1; then
+  $EGREP "memchr" >/dev/null 2>&1; then
   :
 else
   ac_cv_header_stdc=no
@@ -12994,14 +16742,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-#line 12998 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16746 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "free" >/dev/null 2>&1; then
+  $EGREP "free" >/dev/null 2>&1; then
   :
 else
   ac_cv_header_stdc=no
@@ -13015,8 +16763,8 @@ if test $ac_cv_header_stdc = yes; then
   if test "$cross_compiling" = yes; then
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 13019 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16767 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #if ((' ' & 0x0FF) == 0x020)
@@ -13031,7 +16779,7 @@ else
 
 #define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
 int
-main ()
+main (void)
 {
   int i;
   for (i = 0; i < 256; i++)
@@ -13041,29 +16789,29 @@ main ()
   $ac_main_return (0);
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:13045: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:16793: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13048: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:13050: \"$ac_try\"") >&5
+  echo "$as_me:16796: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:16798: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13053: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16801: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   :
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_header_stdc=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 fi
 fi
-echo "$as_me:13066: result: $ac_cv_header_stdc" >&5
+echo "$as_me:16814: result: $ac_cv_header_stdc" >&5
 echo "${ECHO_T}$ac_cv_header_stdc" >&6
 if test $ac_cv_header_stdc = yes; then
 
@@ -13076,19 +16824,19 @@ fi
 ac_header_dirent=no
 for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
   as_ac_Header=`echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
-echo "$as_me:13079: checking for $ac_hdr that defines DIR" >&5
+echo "$as_me:16827: checking for $ac_hdr that defines DIR" >&5
 echo $ECHO_N "checking for $ac_hdr that defines DIR... $ECHO_C" >&6
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 13085 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16833 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
 
 int
-main ()
+main (void)
 {
 if ((DIR *) 0)
 return 0;
@@ -13096,29 +16844,29 @@ return 0;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:13100: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:16848: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:13103: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:13106: \"$ac_try\"") >&5
+  echo "$as_me:16851: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:16854: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13109: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16857: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 eval "$as_ac_Header=no"
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:13119: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
+echo "$as_me:16867: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
   cat >>confdefs.h <<EOF
 #define `echo "HAVE_$ac_hdr" | $as_tr_cpp` 1
 EOF
@@ -13129,15 +16877,15 @@ fi
 done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
-  echo "$as_me:13132: checking for opendir in -ldir" >&5
+  echo "$as_me:16880: checking for opendir in -ldir" >&5
 echo $ECHO_N "checking for opendir in -ldir... $ECHO_C" >&6
 if test "${ac_cv_lib_dir_opendir+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldir  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 13140 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 16888 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -13148,50 +16896,50 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char opendir ();
 int
-main ()
+main (void)
 {
 opendir ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:13159: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:16907: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13162: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:13165: \"$ac_try\"") >&5
+  echo "$as_me:16910: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:16913: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13168: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16916: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_dir_opendir=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_dir_opendir=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:13179: result: $ac_cv_lib_dir_opendir" >&5
+echo "$as_me:16927: result: $ac_cv_lib_dir_opendir" >&5
 echo "${ECHO_T}$ac_cv_lib_dir_opendir" >&6
-if test $ac_cv_lib_dir_opendir = yes; then
+if test "$ac_cv_lib_dir_opendir" = yes; then
   LIBS="$LIBS -ldir"
 fi
 
 else
-  echo "$as_me:13186: checking for opendir in -lx" >&5
+  echo "$as_me:16934: checking for opendir in -lx" >&5
 echo $ECHO_N "checking for opendir in -lx... $ECHO_C" >&6
 if test "${ac_cv_lib_x_opendir+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lx  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#line 13194 "configure"
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 16942 "configure"
 #include "confdefs.h"
 
 /* Override any gcc2 internal prototype to avoid an error.  */
@@ -13202,56 +16950,56 @@ extern "C"
    builtin and then its argument prototype would still apply.  */
 char opendir ();
 int
-main ()
+main (void)
 {
 opendir ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:13213: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:16961: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13216: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:13219: \"$ac_try\"") >&5
+  echo "$as_me:16964: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:16967: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13222: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:16970: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_lib_x_opendir=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_lib_x_opendir=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:13233: result: $ac_cv_lib_x_opendir" >&5
+echo "$as_me:16981: result: $ac_cv_lib_x_opendir" >&5
 echo "${ECHO_T}$ac_cv_lib_x_opendir" >&6
-if test $ac_cv_lib_x_opendir = yes; then
+if test "$ac_cv_lib_x_opendir" = yes; then
   LIBS="$LIBS -lx"
 fi
 
 fi
 
-echo "$as_me:13241: checking whether time.h and sys/time.h may both be included" >&5
+echo "$as_me:16989: checking whether time.h and sys/time.h may both be included" >&5
 echo $ECHO_N "checking whether time.h and sys/time.h may both be included... $ECHO_C" >&6
 if test "${ac_cv_header_time+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 13247 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 16995 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
 #include <time.h>
 
 int
-main ()
+main (void)
 {
 if ((struct tm *) 0)
 return 0;
@@ -13259,27 +17007,27 @@ return 0;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:13263: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:17011: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:13266: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:13269: \"$ac_try\"") >&5
+  echo "$as_me:17014: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:17017: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13272: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:17020: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_header_time=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_header_time=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:13282: result: $ac_cv_header_time" >&5
+echo "$as_me:17030: result: $ac_cv_header_time" >&5
 echo "${ECHO_T}$ac_cv_header_time" >&6
 if test $ac_cv_header_time = yes; then
 
@@ -13292,22 +17040,22 @@ fi
 ###	checks for compiler characteristics
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CC -o "conftest$ac_exeext" $CFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-ac_main_return=return
+ac_main_return="return"
 
-echo "$as_me:13300: checking for an ANSI C-conforming const" >&5
+echo "$as_me:17048: checking for an ANSI C-conforming const" >&5
 echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6
 if test "${ac_cv_c_const+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 13306 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 17054 "configure"
 #include "confdefs.h"
 
 int
-main ()
+main (void)
 {
 /* FIXME: Include the comments suggested by Paul. */
 #ifndef __cplusplus
@@ -13360,27 +17108,27 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:13364: \"$ac_compile\"") >&5
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:17112: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:13367: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest.$ac_objext'
-  { (eval echo "$as_me:13370: \"$ac_try\"") >&5
+  echo "$as_me:17115: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest.$ac_objext"'
+  { (eval echo "$as_me:17118: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13373: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:17121: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_c_const=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_c_const=no
 fi
-rm -f conftest.$ac_objext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
 fi
-echo "$as_me:13383: result: $ac_cv_c_const" >&5
+echo "$as_me:17131: result: $ac_cv_c_const" >&5
 echo "${ECHO_T}$ac_cv_c_const" >&6
 if test $ac_cv_c_const = no; then
 
@@ -13392,7 +17140,7 @@ fi
 
 ###	Checks for external-data
 
-echo "$as_me:13395: checking if data-only library module links" >&5
+echo "$as_me:17143: checking if data-only library module links" >&5
 echo $ECHO_N "checking if data-only library module links... $ECHO_C" >&6
 if test "${cf_cv_link_dataonly+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -13400,21 +17148,21 @@ else
 
 	rm -f conftest.a
 	cat >conftest.$ac_ext <<EOF
-#line 13403 "configure"
+#line 17151 "configure"
 int	testdata[3] = { 123, 456, 789 };
 EOF
-	if { (eval echo "$as_me:13406: \"$ac_compile\"") >&5
+	if { (eval echo "$as_me:17154: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:13409: \$? = $ac_status" >&5
-  (exit $ac_status); } ; then
+  echo "$as_me:17157: \$? = $ac_status" >&5
+  (exit "$ac_status"); } ; then
 		mv conftest.o data.o && \
 		( $AR $ARFLAGS conftest.a data.o ) 2>&5 1>/dev/null
 	fi
 	rm -f conftest.$ac_ext data.o
 	cat >conftest.$ac_ext <<EOF
-#line 13416 "configure"
-int	testfunc()
+#line 17164 "configure"
+int	testfunc(void)
 {
 #if defined(NeXT)
 	${cf_cv_main_return:-return}(1);	/* I'm told this linker is broken */
@@ -13426,11 +17174,11 @@ int	testfunc()
 #endif
 }
 EOF
-	if { (eval echo "$as_me:13429: \"$ac_compile\"") >&5
+	if { (eval echo "$as_me:17177: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  echo "$as_me:13432: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  echo "$as_me:17180: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; then
 		mv conftest.o func.o && \
 		( $AR $ARFLAGS conftest.a func.o ) 2>&5 1>/dev/null
 	fi
@@ -13441,42 +17189,42 @@ EOF
 	if test "$cross_compiling" = yes; then
   cf_cv_link_dataonly=unknown
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 13445 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 17193 "configure"
 #include "confdefs.h"
 
-	int main()
+	int main(void)
 	{
 		extern int testfunc();
 		${cf_cv_main_return:-return} (!testfunc());
 	}
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:13456: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:17204: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13459: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:13461: \"$ac_try\"") >&5
+  echo "$as_me:17207: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:17209: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13464: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:17212: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_link_dataonly=yes
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_link_dataonly=no
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 	LIBS="$cf_saveLIBS"
 
 fi
 
-echo "$as_me:13479: result: $cf_cv_link_dataonly" >&5
+echo "$as_me:17227: result: $cf_cv_link_dataonly" >&5
 echo "${ECHO_T}$cf_cv_link_dataonly" >&6
 
 if test "$cf_cv_link_dataonly" = no ; then
@@ -13490,26 +17238,79 @@ fi
 
 ###	Checks for library functions.
 
-echo "$as_me:13493: checking for working mkstemp" >&5
+for ac_header in \
+unistd.h \
+
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:17246: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 17252 "configure"
+#include "confdefs.h"
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:17256: \"$ac_cpp "conftest.$ac_ext"\"") >&5
+  (eval $ac_cpp "conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  $EGREP -v '^ *\+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:17262: \$? = $ac_status" >&5
+  (exit "$ac_status"); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+  cat "conftest.$ac_ext" >&5
+  eval "$as_ac_Header=no"
+fi
+rm -f conftest.err "conftest.$ac_ext"
+fi
+echo "$as_me:17281: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${ECHO_T}`eval echo '${'"$as_ac_Header"'}'`" >&6
+if test "`eval echo '${'"$as_ac_Header"'}'`" = yes; then
+  cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+EOF
+
+fi
+done
+
+echo "$as_me:17291: checking for working mkstemp" >&5
 echo $ECHO_N "checking for working mkstemp... $ECHO_C" >&6
 if test "${cf_cv_func_mkstemp+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-rm -rf conftest*
+rm -rf ./conftest*
 if test "$cross_compiling" = yes; then
   cf_cv_func_mkstemp=maybe
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 13504 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 17302 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/stat.h>
-int main()
+int main(void)
 {
 	char *tmpl = "conftestXXXXXX";
 	char name[2][80];
@@ -13538,90 +17339,90 @@ int main()
 }
 
 _ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:13542: \"$ac_link\"") >&5
+rm -f "conftest$ac_exeext"
+if { (eval echo "$as_me:17343: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13545: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (eval echo "$as_me:13547: \"$ac_try\"") >&5
+  echo "$as_me:17346: \$? = $ac_status" >&5
+  (exit "$ac_status"); } && { ac_try='"./conftest$ac_exeext"'
+  { (eval echo "$as_me:17348: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13550: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:17351: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   cf_cv_func_mkstemp=yes
 
 else
   echo "$as_me: program exited with status $ac_status" >&5
 echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 cf_cv_func_mkstemp=no
 
 fi
-rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core ./core.* ./*.core "conftest$ac_exeext" "conftest.$ac_objext" "conftest.$ac_ext"
 fi
 
 fi
-echo "$as_me:13565: result: $cf_cv_func_mkstemp" >&5
+echo "$as_me:17366: result: $cf_cv_func_mkstemp" >&5
 echo "${ECHO_T}$cf_cv_func_mkstemp" >&6
 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
-	echo "$as_me:13568: checking for mkstemp" >&5
+	echo "$as_me:17369: checking for mkstemp" >&5
 echo $ECHO_N "checking for mkstemp... $ECHO_C" >&6
 if test "${ac_cv_func_mkstemp+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-#line 13574 "configure"
+  cat >"conftest.$ac_ext" <<_ACEOF
+#line 17375 "configure"
 #include "confdefs.h"
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char mkstemp (); below.  */
-#include <assert.h>
-/* Override any gcc2 internal prototype to avoid an error.  */
+#define mkstemp autoconf_temporary
+#include <limits.h>	/* least-intrusive standard header which defines gcc2 __stub macros */
+#undef mkstemp
+
 #ifdef __cplusplus
 extern "C"
 #endif
+
 /* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
-char mkstemp ();
-char (*f) ();
+char mkstemp (void);
 
 int
-main ()
+main (void)
 {
-/* The GNU C library defines this for functions which it implements
+
+/* The GNU C library defines stubs for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
 #if defined (__stub_mkstemp) || defined (__stub___mkstemp)
-choke me
-#else
-f = mkstemp; /* workaround for ICC 12.0.3 */ if (f == 0) return 1;
+#error found stub for mkstemp
 #endif
 
+	return mkstemp ();
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (eval echo "$as_me:13605: \"$ac_link\"") >&5
+rm -f "conftest.$ac_objext" "conftest$ac_exeext"
+if { (eval echo "$as_me:17406: \"$ac_link\"") >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  echo "$as_me:13608: \$? = $ac_status" >&5
-  (exit $ac_status); } &&
-         { ac_try='test -s conftest$ac_exeext'
-  { (eval echo "$as_me:13611: \"$ac_try\"") >&5
+  echo "$as_me:17409: \$? = $ac_status" >&5
+  (exit "$ac_status"); } &&
+         { ac_try='test -s "conftest$ac_exeext"'
+  { (eval echo "$as_me:17412: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  echo "$as_me:13614: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  echo "$as_me:17415: \$? = $ac_status" >&5
+  (exit "$ac_status"); }; }; then
   ac_cv_func_mkstemp=yes
 else
   echo "$as_me: failed program was:" >&5
-cat conftest.$ac_ext >&5
+cat "conftest.$ac_ext" >&5
 ac_cv_func_mkstemp=no
 fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f "conftest.$ac_objext" "conftest$ac_exeext" "conftest.$ac_ext"
 fi
-echo "$as_me:13624: result: $ac_cv_func_mkstemp" >&5
+echo "$as_me:17425: result: $ac_cv_func_mkstemp" >&5
 echo "${ECHO_T}$ac_cv_func_mkstemp" >&6
 
 fi
@@ -13634,74 +17435,168 @@ EOF
 fi
 
 if test -z "$cf_user_CFLAGS" && test "$with_no_leaks" = no ; then
-	CFLAGS=`echo ${CFLAGS} | sed -e 's%-g %%' -e 's%-g$%%'`
-	CXXFLAGS=`echo ${CXXFLAGS} | sed -e 's%-g %%' -e 's%-g$%%'`
+	CFLAGS=`echo "${CFLAGS}" | sed -e 's%-g %%' -e 's%-g$%%' -e 's%[	]% %g' -e 's% [ ]*% %g' -e 's%^ %%' -e 's% $%%'`
+	CXXFLAGS=`echo "${CXXFLAGS}" | sed -e 's%-g %%' -e 's%-g$%%' -e 's%[	]% %g' -e 's% [ ]*% %g' -e 's%^ %%' -e 's% $%%'`
 fi
 
 cf_with_ada=yes
 if test "$cf_with_ada" != "no" ; then
 
-cf_ada_make=gnatmake
-# Extract the first word of "$cf_ada_make", so it can be a program name with args.
-set dummy $cf_ada_make; ac_word=$2
-echo "$as_me:13647: checking for $ac_word" >&5
+for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
+do
+
+cf_upper_prog_gnat=`echo "${cf_prog_gnat}" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
+
+	unset ac_cv_path_cf_TEMP_gnat
+	unset cf_TEMP_gnat
+	# Extract the first word of "$cf_prog_gnat", so it can be a program name with args.
+set dummy $cf_prog_gnat; ac_word=$2
+echo "$as_me:17454: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_gnat_exists+set}" = set; then
+if test "${ac_cv_path_cf_TEMP_gnat+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  if test -n "$gnat_exists"; then
-  ac_cv_prog_gnat_exists="$gnat_exists" # Let the user override the test.
-else
+  case $cf_TEMP_gnat in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_cf_TEMP_gnat="$cf_TEMP_gnat" # Let the user override the test with a path.
+  ;;
+  *)
   ac_save_IFS=$IFS; IFS=$ac_path_separator
 ac_dummy="$PATH"
 for ac_dir in $ac_dummy; do
   IFS=$ac_save_IFS
   test -z "$ac_dir" && ac_dir=.
-  $as_executable_p "$ac_dir/$ac_word" || continue
-ac_cv_prog_gnat_exists="yes"
-echo "$as_me:13662: found $ac_dir/$ac_word" >&5
-break
+  if $as_executable_p "$ac_dir/$ac_word"; then
+   ac_cv_path_cf_TEMP_gnat="$ac_dir/$ac_word"
+   echo "$as_me:17471: found $ac_dir/$ac_word" >&5
+   break
+fi
 done
 
-  test -z "$ac_cv_prog_gnat_exists" && ac_cv_prog_gnat_exists="no"
-fi
+  test -z "$ac_cv_path_cf_TEMP_gnat" && ac_cv_path_cf_TEMP_gnat="no"
+  ;;
+esac
 fi
-gnat_exists=$ac_cv_prog_gnat_exists
-if test -n "$gnat_exists"; then
-  echo "$as_me:13671: result: $gnat_exists" >&5
-echo "${ECHO_T}$gnat_exists" >&6
+cf_TEMP_gnat=$ac_cv_path_cf_TEMP_gnat
+
+if test -n "$cf_TEMP_gnat"; then
+  echo "$as_me:17483: result: $cf_TEMP_gnat" >&5
+echo "${ECHO_T}$cf_TEMP_gnat" >&6
 else
-  echo "$as_me:13674: result: no" >&5
+  echo "$as_me:17486: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
-if test "$ac_cv_prog_gnat_exists" = no; then
+	eval "cf_cv_PATH_$cf_upper_prog_gnat=$ac_cv_path_cf_TEMP_gnat"
+
+	if test "x$cf_TEMP_gnat" != xno; then
+		unset cf_cv_gnat_version
+		unset cf_TEMP_gnat
+
+echo "$as_me:17496: checking for $cf_prog_gnat version" >&5
+echo $ECHO_N "checking for $cf_prog_gnat version... $ECHO_C" >&6
+if test "${cf_cv_gnat_version+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_gnat_version=`$cf_prog_gnat --version 2>&1 | \
+	grep '[0-9].[0-9][0-9]*' |\
+	sed -e '2,$d' -e 's/[^0-9 \.]//g' -e 's/^[ ]*//' -e 's/ .*//'`
+
+fi
+echo "$as_me:17507: result: $cf_cv_gnat_version" >&5
+echo "${ECHO_T}$cf_cv_gnat_version" >&6
+test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
+eval cf_TEMP_gnat=$cf_cv_gnat_version; unset cf_cv_gnat_version
+
+	fi
+	eval "cf_cv_VERSION_$cf_upper_prog_gnat=$cf_TEMP_gnat"
+
+	unset cf_TEMP_gnat
+	unset cf_cv_gnat_version
+	unset ac_cv_path_cf_TEMP_gnat
+done
+
+if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
 	cf_ada_make=
 	cf_cv_prog_gnat_correct=no
 else
+	cf_ada_make=gnatmake
+	if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
+		# gprconfig is newer than gnatmake; we can continue...
+		cf_ada_config="##"
+	else
+		rm -rf ./conftest* ./*~conftest*
+		if mkdir conftest.src
+		then
+			cf_ada_config=""
+			cd conftest.src
+			for cf_gprconfig in Ada C
+			do
+				echo "$as_me:17536: checking for gprconfig name for $cf_gprconfig" >&5
+echo $ECHO_N "checking for gprconfig name for $cf_gprconfig... $ECHO_C" >&6
+				if test "$cf_gprconfig" = C
+				then
+					for cf_gprconfig_param in \
+						"$cf_gprconfig,,,,GNATGCC" \
+						"$cf_gprconfig,,,,GCC" \
+						"$cf_gprconfig"
+					do
+						cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&5 | ${AWK:-awk} '/^\*/{print $3;}' | head -n 1`
+						test -n "$cf_gprconfig_value" && break
+					done
+				else
+					cf_gprconfig_param=$cf_gprconfig
+					cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&5 | ${AWK:-awk} '/^\*/{print $3;}' | head -n 1`
+				fi
+				if test -n "$cf_gprconfig_value"
+				then
+					eval "cf_ada_config_$cf_gprconfig=$cf_gprconfig_value"
+					echo "$as_me:17555: result: $cf_gprconfig_value" >&5
+echo "${ECHO_T}$cf_gprconfig_value" >&6
+				else
+					echo "$as_me:17558: result: missing" >&5
+echo "${ECHO_T}missing" >&6
+					cf_ada_config="#"
+					break
+				fi
+			done
+			cd ..
+			rm -rf ./conftest* ./*~conftest*
+		fi
+	fi
+	if test "x$cf_ada_config" != "x#"
+	then
 
-echo "$as_me:13683: checking for gnat version" >&5
+echo "$as_me:17571: checking for gnat version" >&5
 echo $ECHO_N "checking for gnat version... $ECHO_C" >&6
-cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
+if test "${cf_cv_gnat_version+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_gnat_version=`${cf_ada_make:-gnatmake} --version 2>&1 | \
 	grep '[0-9].[0-9][0-9]*' |\
 	sed -e '2,$d' -e 's/[^0-9 \.]//g' -e 's/^[ ]*//' -e 's/ .*//'`
-echo "$as_me:13688: result: $cf_gnat_version" >&5
-echo "${ECHO_T}$cf_gnat_version" >&6
 
-case $cf_gnat_version in
-(3.1[1-9]*|3.[2-9]*|[4-9].*|20[0-9][0-9])
+fi
+echo "$as_me:17582: result: $cf_cv_gnat_version" >&5
+echo "${ECHO_T}$cf_cv_gnat_version" >&6
+test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
+
+case "$cf_cv_gnat_version" in
+(3.1[1-9]*|3.[2-9]*|[4-9].*|[1-9][0-9].[0-9]*|20[0-9][0-9])
 	cf_cv_prog_gnat_correct=yes
 	;;
 (*)
-	{ echo "$as_me:13696: WARNING: Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding." >&5
-echo "$as_me: WARNING: Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding." >&2;}
+	{ echo "$as_me:17591: WARNING: Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding." >&5
+echo "$as_me: WARNING: Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding." >&2;}
 	cf_cv_prog_gnat_correct=no
 	;;
 esac
 
-	# Extract the first word of "m4", so it can be a program name with args.
+		# Extract the first word of "m4", so it can be a program name with args.
 set dummy m4; ac_word=$2
-echo "$as_me:13704: checking for $ac_word" >&5
+echo "$as_me:17599: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_M4_exists+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -13716,7 +17611,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_M4_exists="yes"
-echo "$as_me:13719: found $ac_dir/$ac_word" >&5
+echo "$as_me:17614: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -13725,22 +17620,23 @@ fi
 fi
 M4_exists=$ac_cv_prog_M4_exists
 if test -n "$M4_exists"; then
-  echo "$as_me:13728: result: $M4_exists" >&5
+  echo "$as_me:17623: result: $M4_exists" >&5
 echo "${ECHO_T}$M4_exists" >&6
 else
-  echo "$as_me:13731: result: no" >&5
+  echo "$as_me:17626: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
-	if test "$ac_cv_prog_M4_exists" = no; then
-		cf_cv_prog_gnat_correct=no
-		echo Ada95 binding required program m4 not found. Ada95 binding disabled.
-	fi
-	if test "$cf_cv_prog_gnat_correct" = yes; then
-		echo "$as_me:13740: checking if GNAT works" >&5
+		if test "$ac_cv_prog_M4_exists" = no; then
+			cf_cv_prog_gnat_correct=no
+			{ echo "$as_me:17632: WARNING: Ada95 binding required program m4 not found. Ada95 binding disabled" >&5
+echo "$as_me: WARNING: Ada95 binding required program m4 not found. Ada95 binding disabled" >&2;}
+		fi
+		if test "$cf_cv_prog_gnat_correct" = yes; then
+			echo "$as_me:17636: checking if GNAT works" >&5
 echo $ECHO_N "checking if GNAT works... $ECHO_C" >&6
 
-rm -rf conftest* *~conftest*
+rm -rf ./conftest* ./*~conftest*
 cat >>conftest.ads <<CF_EOF
 procedure conftest;
 CF_EOF
@@ -13754,7 +17650,7 @@ begin
    GNAT.OS_Lib.OS_Exit (0);
 end conftest;
 CF_EOF
-if ( $cf_ada_make $ADAFLAGS conftest 1>&5 2>&1 ) ; then
+if ( "$cf_ada_make" $ADAFLAGS conftest 1>&5 2>&1 ) ; then
    if ( ./conftest 1>&5 2>&1 ) ; then
       cf_cv_prog_gnat_correct=yes
    else
@@ -13763,16 +17659,19 @@ if ( $cf_ada_make $ADAFLAGS conftest 1>&5 2>&1 ) ; then
 else
    cf_cv_prog_gnat_correct=no
 fi
-rm -rf conftest* *~conftest*
+rm -rf ./conftest* ./*~conftest*
 
-		echo "$as_me:13768: result: $cf_cv_prog_gnat_correct" >&5
+			echo "$as_me:17664: result: $cf_cv_prog_gnat_correct" >&5
 echo "${ECHO_T}$cf_cv_prog_gnat_correct" >&6
+		fi
+	else
+		cf_cv_prog_gnat_correct=no
 	fi
 fi
 
 	if test	"$cf_cv_prog_gnat_correct" = yes; then
 
-	echo "$as_me:13775: checking optimization options for ADAFLAGS" >&5
+	echo "$as_me:17674: checking optimization options for ADAFLAGS" >&5
 echo $ECHO_N "checking optimization options for ADAFLAGS... $ECHO_C" >&6
 	case "$CFLAGS" in
 	(*-g*)
@@ -13789,10 +17688,10 @@ echo $ECHO_N "checking optimization options for ADAFLAGS... $ECHO_C" >&6
 
 		;;
 	esac
-	echo "$as_me:13792: result: $ADAFLAGS" >&5
+	echo "$as_me:17691: result: $ADAFLAGS" >&5
 echo "${ECHO_T}$ADAFLAGS" >&6
 
-echo "$as_me:13795: checking if GNATPREP supports -T option" >&5
+echo "$as_me:17694: checking if GNATPREP supports -T option" >&5
 echo $ECHO_N "checking if GNATPREP supports -T option... $ECHO_C" >&6
 if test "${cf_cv_gnatprep_opt_t+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -13802,21 +17701,21 @@ cf_cv_gnatprep_opt_t=no
 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
 
 fi
-echo "$as_me:13805: result: $cf_cv_gnatprep_opt_t" >&5
+echo "$as_me:17704: result: $cf_cv_gnatprep_opt_t" >&5
 echo "${ECHO_T}$cf_cv_gnatprep_opt_t" >&6
 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
 
-echo "$as_me:13809: checking if GNAT supports generics" >&5
+echo "$as_me:17708: checking if GNAT supports generics" >&5
 echo $ECHO_N "checking if GNAT supports generics... $ECHO_C" >&6
-case $cf_gnat_version in
-(3.[1-9]*|[4-9].*)
+case "$cf_cv_gnat_version" in
+(3.1[1-9]*|3.[2-9]*|[4-9].*|[1-9][0-9].[0-9]*|20[0-9][0-9])
 	cf_gnat_generics=yes
 	;;
 (*)
 	cf_gnat_generics=no
 	;;
 esac
-echo "$as_me:13819: result: $cf_gnat_generics" >&5
+echo "$as_me:17718: result: $cf_gnat_generics" >&5
 echo "${ECHO_T}$cf_gnat_generics" >&6
 
 if test "$cf_gnat_generics" = yes
@@ -13828,13 +17727,13 @@ else
 	cf_generic_objects=
 fi
 
-echo "$as_me:13831: checking if GNAT supports SIGINT" >&5
+echo "$as_me:17730: checking if GNAT supports SIGINT" >&5
 echo $ECHO_N "checking if GNAT supports SIGINT... $ECHO_C" >&6
 if test "${cf_cv_gnat_sigint+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
 
-rm -rf conftest* *~conftest*
+rm -rf ./conftest* ./*~conftest*
 cat >>conftest.ads <<CF_EOF
 with Ada.Interrupts.Names;
 
@@ -13868,18 +17767,18 @@ package body ConfTest is
    end Process;
 end ConfTest;
 CF_EOF
-if ( $cf_ada_make $ADAFLAGS conftest 1>&5 2>&1 ) ; then
+if ( "$cf_ada_make" $ADAFLAGS conftest 1>&5 2>&1 ) ; then
       cf_cv_gnat_sigint=yes
 else
    cf_cv_gnat_sigint=no
 fi
-rm -rf conftest* *~conftest*
+rm -rf ./conftest* ./*~conftest*
 
 fi
-echo "$as_me:13879: result: $cf_cv_gnat_sigint" >&5
+echo "$as_me:17778: result: $cf_cv_gnat_sigint" >&5
 echo "${ECHO_T}$cf_cv_gnat_sigint" >&6
 
-if test $cf_cv_gnat_sigint = yes ; then
+if test "$cf_cv_gnat_sigint" = yes ; then
 	USE_GNAT_SIGINT=""
 else
 	USE_GNAT_SIGINT="#"
@@ -13889,20 +17788,22 @@ cf_gnat_libraries=no
 cf_gnat_projects=no
 
 if test "$enable_gnat_projects" != no ; then
-echo "$as_me:13892: checking if GNAT supports project files" >&5
+echo "$as_me:17791: checking if GNAT supports project files" >&5
 echo $ECHO_N "checking if GNAT supports project files... $ECHO_C" >&6
-case $cf_gnat_version in
+case "$cf_cv_gnat_version" in
 (3.[0-9]*)
 	;;
 (*)
-	case $cf_cv_system_name in
+	case "$cf_cv_system_name" in
 	(cygwin*|msys*)
 		;;
 	(*)
-		mkdir conftest.src conftest.bin conftest.lib
-		cd conftest.src
-		rm -rf conftest* *~conftest*
-		cat >>library.gpr <<CF_EOF
+		rm -rf ./conftest* ./*~conftest*
+		if mkdir conftest.src conftest.bin conftest.lib
+		then
+			cd conftest.src
+			rm -rf ./conftest* ./*~conftest*
+			cat >>library.gpr <<CF_EOF
 project Library is
   Kind := External ("LIB_KIND");
   for Library_Name use "ConfTest";
@@ -13915,12 +17816,12 @@ project Library is
   for Source_Dirs use (Source_Dir);
 end Library;
 CF_EOF
-		cat >>confpackage.ads <<CF_EOF
+			cat >>confpackage.ads <<CF_EOF
 package ConfPackage is
    procedure conftest;
 end ConfPackage;
 CF_EOF
-		cat >>confpackage.adb <<CF_EOF
+			cat >>confpackage.adb <<CF_EOF
 with Text_IO;
 package body ConfPackage is
    procedure conftest is
@@ -13930,44 +17831,57 @@ package body ConfPackage is
    end conftest;
 end ConfPackage;
 CF_EOF
-		if ( $cf_ada_make $ADAFLAGS \
-				-Plibrary.gpr \
-				-XBUILD_DIR=`cd ../conftest.bin;pwd` \
-				-XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
-				-XSOURCE_DIR=`pwd` \
-				-XSONAME=libConfTest.so.1 \
-				-XLIB_KIND=static 1>&5 2>&1 ) ; then
-			cf_gnat_projects=yes
+			if ( "$cf_ada_make" $ADAFLAGS \
+					-Plibrary.gpr \
+					-XBUILD_DIR="`cd ../conftest.bin;pwd`" \
+					-XLIBRARY_DIR="`cd ../conftest.lib;pwd`" \
+					-XSOURCE_DIR="`pwd`" \
+					-XSONAME=libConfTest.so.1 \
+					-XLIB_KIND=static 1>&5 2>&1 ) ; then
+				cf_gnat_projects=yes
+			fi
+			cd ..
 		fi
-		cd ..
 		if test -f conftest.lib/confpackage.ali
 		then
 			cf_gnat_libraries=yes
 		fi
-		rm -rf conftest* *~conftest*
+		rm -rf ./conftest* ./*~conftest*
 		;;
 	esac
 	;;
 esac
-echo "$as_me:13952: result: $cf_gnat_projects" >&5
+echo "$as_me:17854: result: $cf_gnat_projects" >&5
 echo "${ECHO_T}$cf_gnat_projects" >&6
 fi # enable_gnat_projects
 
-if test $cf_gnat_projects = yes
+if test "$cf_gnat_projects" = yes
 then
-	echo "$as_me:13958: checking if GNAT supports libraries" >&5
+	echo "$as_me:17860: checking if GNAT supports libraries" >&5
 echo $ECHO_N "checking if GNAT supports libraries... $ECHO_C" >&6
-	echo "$as_me:13960: result: $cf_gnat_libraries" >&5
+	echo "$as_me:17862: result: $cf_gnat_libraries" >&5
 echo "${ECHO_T}$cf_gnat_libraries" >&6
 fi
 
+USE_OLD_MAKERULES=""
+USE_GNAT_PROJECTS="#"
+USE_GNAT_MAKE_GPR="#"
+USE_GNAT_GPRBUILD="#"
+
 if test "$cf_gnat_projects" = yes
 then
 	USE_OLD_MAKERULES="#"
 	USE_GNAT_PROJECTS=""
-else
-	USE_OLD_MAKERULES=""
-	USE_GNAT_PROJECTS="#"
+	if test "$cf_cv_VERSION_GPRBUILD" != no
+	then
+		USE_GNAT_GPRBUILD=""
+	elif test "$cf_cv_VERSION_GNATMAKE" != no
+	then
+		USE_GNAT_MAKE_GPR=""
+	else
+		{ echo "$as_me:17882: WARNING: use old makefile rules since tools are missing" >&5
+echo "$as_me: WARNING: use old makefile rules since tools are missing" >&2;}
+	fi
 fi
 
 if test "$cf_gnat_libraries" = yes
@@ -13977,7 +17891,7 @@ else
 	USE_GNAT_LIBRARIES="#"
 fi
 
-echo "$as_me:13980: checking for ada-compiler" >&5
+echo "$as_me:17894: checking for ada-compiler" >&5
 echo $ECHO_N "checking for ada-compiler... $ECHO_C" >&6
 
 # Check whether --with-ada-compiler or --without-ada-compiler was given.
@@ -13988,12 +17902,12 @@ else
   cf_ada_compiler=gnatmake
 fi;
 
-echo "$as_me:13991: result: $cf_ada_compiler" >&5
+echo "$as_me:17905: result: $cf_ada_compiler" >&5
 echo "${ECHO_T}$cf_ada_compiler" >&6
 
 		cf_ada_package=terminal_interface
 
-echo "$as_me:13996: checking for ada-include" >&5
+echo "$as_me:17910: checking for ada-include" >&5
 echo $ECHO_N "checking for ada-include... $ECHO_C" >&6
 
 # Check whether --with-ada-include or --without-ada-include was given.
@@ -14017,19 +17931,19 @@ case ".$withval" in
 	;;
 (.[a-zA-Z]:[\\/]*) # OS/2 EMX
 	;;
-(.\${*prefix}*|.\${*dir}*)
+(.\$\{*prefix\}*|.\$\{*dir\}*)
 	eval withval="$withval"
 	case ".$withval" in
 	(.NONE/*)
-		withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+		withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+	withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
-	{ { echo "$as_me:14032: error: expected a pathname, not \"$withval\"" >&5
+	{ { echo "$as_me:17946: error: expected a pathname, not \"$withval\"" >&5
 echo "$as_me: error: expected a pathname, not \"$withval\"" >&2;}
    { (exit 1); exit 1; }; }
 	;;
@@ -14038,10 +17952,10 @@ esac
 fi
 eval ADA_INCLUDE="$withval"
 
-echo "$as_me:14041: result: $ADA_INCLUDE" >&5
+echo "$as_me:17955: result: $ADA_INCLUDE" >&5
 echo "${ECHO_T}$ADA_INCLUDE" >&6
 
-echo "$as_me:14044: checking for ada-objects" >&5
+echo "$as_me:17958: checking for ada-objects" >&5
 echo $ECHO_N "checking for ada-objects... $ECHO_C" >&6
 
 # Check whether --with-ada-objects or --without-ada-objects was given.
@@ -14065,19 +17979,19 @@ case ".$withval" in
 	;;
 (.[a-zA-Z]:[\\/]*) # OS/2 EMX
 	;;
-(.\${*prefix}*|.\${*dir}*)
+(.\$\{*prefix\}*|.\$\{*dir\}*)
 	eval withval="$withval"
 	case ".$withval" in
 	(.NONE/*)
-		withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+		withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 		;;
 	esac
 	;;
 (.no|.NONE/*)
-	withval=`echo $withval | sed -e s%NONE%$cf_path_syntax%`
+	withval=`echo "$withval" | sed -e s%NONE%$cf_path_syntax%`
 	;;
 (*)
-	{ { echo "$as_me:14080: error: expected a pathname, not \"$withval\"" >&5
+	{ { echo "$as_me:17994: error: expected a pathname, not \"$withval\"" >&5
 echo "$as_me: error: expected a pathname, not \"$withval\"" >&2;}
    { (exit 1); exit 1; }; }
 	;;
@@ -14086,10 +18000,10 @@ esac
 fi
 eval ADA_OBJECTS="$withval"
 
-echo "$as_me:14089: result: $ADA_OBJECTS" >&5
+echo "$as_me:18003: result: $ADA_OBJECTS" >&5
 echo "${ECHO_T}$ADA_OBJECTS" >&6
 
-echo "$as_me:14092: checking if an Ada95 shared-library should be built" >&5
+echo "$as_me:18006: checking if an Ada95 shared-library should be built" >&5
 echo $ECHO_N "checking if an Ada95 shared-library should be built... $ECHO_C" >&6
 
 # Check whether --with-ada-sharedlib or --without-ada-sharedlib was given.
@@ -14099,9 +18013,19 @@ if test "${with_ada_sharedlib+set}" = set; then
 else
   with_ada_sharedlib=no
 fi;
-echo "$as_me:14102: result: $with_ada_sharedlib" >&5
+echo "$as_me:18016: result: $with_ada_sharedlib" >&5
 echo "${ECHO_T}$with_ada_sharedlib" >&6
 
+if test "x$with_ada_sharedlib" != xno
+then
+	if test "x$cf_gnat_projects" != xyes
+	then
+		{ echo "$as_me:18023: WARNING: disabling shared-library since GNAT projects are not supported" >&5
+echo "$as_me: WARNING: disabling shared-library since GNAT projects are not supported" >&2;}
+		with_ada_sharedlib=no
+	fi
+fi
+
 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
 MAKE_ADA_SHAREDLIB="#"
 
@@ -14114,13 +18038,34 @@ then
 	fi
 fi
 
+		# allow the Ada binding to be renamed
+
+echo "$as_me:18043: checking for ada-libname" >&5
+echo $ECHO_N "checking for ada-libname... $ECHO_C" >&6
+
+# Check whether --with-ada-libname or --without-ada-libname was given.
+if test "${with_ada_libname+set}" = set; then
+  withval="$with_ada_libname"
+  ADA_LIBNAME=$withval
+else
+  ADA_LIBNAME=AdaCurses
+fi;
+case "x$ADA_LIBNAME" in
+(x|xyes|xno)
+	ADA_LIBNAME=AdaCurses
+	;;
+esac
+
+echo "$as_me:18059: result: $ADA_LIBNAME" >&5
+echo "${ECHO_T}$ADA_LIBNAME" >&6
+
 	else
-		{ { echo "$as_me:14118: error: No usable Ada compiler found" >&5
+		{ { echo "$as_me:18063: error: No usable Ada compiler found" >&5
 echo "$as_me: error: No usable Ada compiler found" >&2;}
    { (exit 1); exit 1; }; }
 	fi
 else
-	{ { echo "$as_me:14123: error: The Ada compiler is needed for this package" >&5
+	{ { echo "$as_me:18068: error: The Ada compiler is needed for this package" >&5
 echo "$as_me: error: The Ada compiler is needed for this package" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -14160,7 +18105,7 @@ elif test "$includedir" != "/usr/include"; then
 fi
 
 ### Build up pieces for makefile rules
-echo "$as_me:14163: checking default library suffix" >&5
+echo "$as_me:18108: checking default library suffix" >&5
 echo $ECHO_N "checking default library suffix... $ECHO_C" >&6
 
 	case $DFT_LWR_MODEL in
@@ -14171,10 +18116,10 @@ echo $ECHO_N "checking default library suffix... $ECHO_C" >&6
 	(shared)  DFT_ARG_SUFFIX=''   ;;
 	esac
 	test -n "$LIB_SUFFIX" && DFT_ARG_SUFFIX="${LIB_SUFFIX}${DFT_ARG_SUFFIX}"
-echo "$as_me:14174: result: $DFT_ARG_SUFFIX" >&5
+echo "$as_me:18119: result: $DFT_ARG_SUFFIX" >&5
 echo "${ECHO_T}$DFT_ARG_SUFFIX" >&6
 
-echo "$as_me:14177: checking default library-dependency suffix" >&5
+echo "$as_me:18122: checking default library-dependency suffix" >&5
 echo $ECHO_N "checking default library-dependency suffix... $ECHO_C" >&6
 
 	case X$DFT_LWR_MODEL in
@@ -14183,19 +18128,37 @@ echo $ECHO_N "checking default library-dependency suffix... $ECHO_C" >&6
 		DFT_DEP_SUFFIX=$DFT_LIB_SUFFIX
 		;;
 	(Xdebug)
-		DFT_LIB_SUFFIX='_g.a'
+		case "$cf_cv_system_name" in
+		(*-msvc*)
+			DFT_LIB_SUFFIX='_g.lib'
+			;;
+		(*)
+			DFT_LIB_SUFFIX='_g.a'
+			;;
+		esac
 		DFT_DEP_SUFFIX=$DFT_LIB_SUFFIX
 		;;
 	(Xprofile)
-		DFT_LIB_SUFFIX='_p.a'
+		case "$cf_cv_system_name" in
+		(*-msvc*)
+			DFT_LIB_SUFFIX='_p.lib'
+			;;
+		(*)
+			DFT_LIB_SUFFIX='_p.a'
+			;;
+		esac
 		DFT_DEP_SUFFIX=$DFT_LIB_SUFFIX
 		;;
 	(Xshared)
-		case $cf_cv_system_name in
+		case "$cf_cv_system_name" in
 		(aix[5-7]*)
 			DFT_LIB_SUFFIX='.so'
 			DFT_DEP_SUFFIX=$DFT_LIB_SUFFIX
 			;;
+		(*-msvc*)
+			DFT_LIB_SUFFIX='.dll'
+			DFT_DEP_SUFFIX='.dll.lib'
+			;;
 		(cygwin*|msys*|mingw*)
 			DFT_LIB_SUFFIX='.dll'
 			DFT_DEP_SUFFIX='.dll.a'
@@ -14205,7 +18168,7 @@ echo $ECHO_N "checking default library-dependency suffix... $ECHO_C" >&6
 			DFT_DEP_SUFFIX=$DFT_LIB_SUFFIX
 			;;
 		(hpux*)
-			case $target in
+			case "$target" in
 			(ia64*)
 				DFT_LIB_SUFFIX='.so'
 				DFT_DEP_SUFFIX=$DFT_LIB_SUFFIX
@@ -14223,7 +18186,14 @@ echo $ECHO_N "checking default library-dependency suffix... $ECHO_C" >&6
 		esac
 		;;
 	(*)
-		DFT_LIB_SUFFIX='.a'
+		case "$target" in
+		(*-msvc*)
+			DFT_LIB_SUFFIX='.lib'
+			;;
+		(*)
+			DFT_LIB_SUFFIX='.a'
+			;;
+		esac
 		DFT_DEP_SUFFIX=$DFT_LIB_SUFFIX
 		;;
 	esac
@@ -14232,10 +18202,10 @@ echo $ECHO_N "checking default library-dependency suffix... $ECHO_C" >&6
 		DFT_LIB_SUFFIX="${LIB_SUFFIX}${EXTRA_SUFFIX}${DFT_LIB_SUFFIX}"
 		DFT_DEP_SUFFIX="${LIB_SUFFIX}${EXTRA_SUFFIX}${DFT_DEP_SUFFIX}"
 	fi
-echo "$as_me:14235: result: $DFT_DEP_SUFFIX" >&5
+echo "$as_me:18205: result: $DFT_DEP_SUFFIX" >&5
 echo "${ECHO_T}$DFT_DEP_SUFFIX" >&6
 
-echo "$as_me:14238: checking default object directory" >&5
+echo "$as_me:18208: checking default object directory" >&5
 echo $ECHO_N "checking default object directory... $ECHO_C" >&6
 
 	case $DFT_LWR_MODEL in
@@ -14244,14 +18214,14 @@ echo $ECHO_N "checking default object directory... $ECHO_C" >&6
 	(debug)   DFT_OBJ_SUBDIR='obj_g' ;;
 	(profile) DFT_OBJ_SUBDIR='obj_p' ;;
 	(shared)
-		case $cf_cv_system_name in
+		case "$cf_cv_system_name" in
 		(cygwin|msys)
 			DFT_OBJ_SUBDIR='objects' ;;
 		(*)
 			DFT_OBJ_SUBDIR='obj_s' ;;
 		esac
 	esac
-echo "$as_me:14254: result: $DFT_OBJ_SUBDIR" >&5
+echo "$as_me:18224: result: $DFT_OBJ_SUBDIR" >&5
 echo "${ECHO_T}$DFT_OBJ_SUBDIR" >&6
 
 ### Set up low-level terminfo dependencies for makefiles.
@@ -14267,6 +18237,10 @@ if test "$DFT_LWR_MODEL" = shared ; then
 	esac
 fi
 
+USE_ARG_SUFFIX=${DFT_ARG_SUFFIX}
+
+USE_LIB_SUFFIX=${DFT_ARG_SUFFIX}
+
 USE_CFG_SUFFIX=${DFT_ARG_SUFFIX}
 
 ### Construct the list of subdirectories for which we'll customize makefiles
@@ -14278,86 +18252,6 @@ cat >>confdefs.h <<EOF
 #define NCURSES_PATHSEP '$PATH_SEPARATOR'
 EOF
 
-### Now that we're done running tests, add the compiler-warnings, if any
-
-cf_fix_cppflags=no
-cf_new_cflags=
-cf_new_cppflags=
-cf_new_extra_cppflags=
-
-for cf_add_cflags in $EXTRA_CFLAGS
-do
-case $cf_fix_cppflags in
-(no)
-	case $cf_add_cflags in
-	(-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
-		case $cf_add_cflags in
-		(-D*)
-			cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[^=]*='\''\"[^"]*//'`
-
-			test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
-				&& test -z "${cf_tst_cflags}" \
-				&& cf_fix_cppflags=yes
-
-			if test $cf_fix_cppflags = yes ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
-				continue
-			elif test "${cf_tst_cflags}" = "\"'" ; then
-				cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
-				continue
-			fi
-			;;
-		esac
-		case "$CPPFLAGS" in
-		(*$cf_add_cflags)
-			;;
-		(*)
-			case $cf_add_cflags in
-			(-D*)
-				cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
-
-CPPFLAGS=`echo "$CPPFLAGS" | \
-	sed	-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?[ 	]/ /g' \
-		-e 's/-[UD]'"$cf_tst_cppflags"'\(=[^ 	]*\)\?$//g'`
-
-				;;
-			esac
-			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
-			;;
-		esac
-		;;
-	(*)
-		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
-		;;
-	esac
-	;;
-(yes)
-	cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
-
-	cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[^"]*"'\''//'`
-
-	test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
-		&& test -z "${cf_tst_cflags}" \
-		&& cf_fix_cppflags=no
-	;;
-esac
-done
-
-if test -n "$cf_new_cflags" ; then
-
-	CFLAGS="$CFLAGS $cf_new_cflags"
-fi
-
-if test -n "$cf_new_cppflags" ; then
-
-	CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
-fi
-
-if test -n "$cf_new_extra_cppflags" ; then
-
-	EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
-fi
-
 ################################################################################
 
 TEST_ARG2=
@@ -14388,7 +18282,7 @@ else
 	ADAGEN_LDFLAGS='$(NATIVE_LDFLAGS)'
 fi
 
-ac_config_files="$ac_config_files $SUB_MAKEFILES doc/adacurses${DFT_ARG_SUFFIX}-config.1:doc/MKada_config.in Makefile"
+ac_config_files="$ac_config_files $SUB_MAKEFILES src/library.gpr:src/library.gpr.in doc/adacurses${DFT_ARG_SUFFIX}-config.1:doc/MKada_config.in Makefile"
 ac_config_commands="$ac_config_commands default"
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -14466,12 +18360,12 @@ fi
 
 DEFS=-DHAVE_CONFIG_H
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ echo "$as_me:14472: creating $CONFIG_STATUS" >&5
+{ echo "$as_me:18366: creating $CONFIG_STATUS" >&5
 echo "$as_me: creating $CONFIG_STATUS" >&6;}
-cat >$CONFIG_STATUS <<_ACEOF
+cat >"$CONFIG_STATUS" <<_ACEOF
 #! $SHELL
 # Generated automatically by configure.
 # Run this file to recreate the current configuration.
@@ -14482,9 +18376,11 @@ debug=false
 SHELL=\${CONFIG_SHELL-$SHELL}
 ac_cs_invocation="\$0 \$@"
 
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF
+cat >>"$CONFIG_STATUS" <<\_ACEOF
 # Be Bourne compatible
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
@@ -14524,9 +18420,9 @@ as_executable_p="test -f"
 
 # Support unset when possible.
 if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
-  as_unset=unset
+  as_unset="unset"
 else
-  as_unset=false
+  as_unset="false"
 fi
 
 # NLS nuisances.
@@ -14554,22 +18450,22 @@ _ACEOF
 
 # Files that config.status was made for.
 if test -n "$ac_config_files"; then
-  echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS
+  echo "config_files=\"$ac_config_files\"" >>"$CONFIG_STATUS"
 fi
 
 if test -n "$ac_config_headers"; then
-  echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS
+  echo "config_headers=\"$ac_config_headers\"" >>"$CONFIG_STATUS"
 fi
 
 if test -n "$ac_config_links"; then
-  echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS
+  echo "config_links=\"$ac_config_links\"" >>"$CONFIG_STATUS"
 fi
 
 if test -n "$ac_config_commands"; then
-  echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS
+  echo "config_commands=\"$ac_config_commands\"" >>"$CONFIG_STATUS"
 fi
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 
 ac_cs_usage="\
 \`$as_me' instantiates files from templates according to the
@@ -14598,21 +18494,22 @@ $config_commands
 Report bugs to <dickey@invisible-island.net>."
 EOF
 
-cat >>$CONFIG_STATUS <<EOF
+cat >>"$CONFIG_STATUS" <<EOF
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.52.20150926,
+configured by $0, generated by GNU Autoconf 2.52.20210509,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
+Copyright 2003-2020,2021	Thomas E. Dickey
 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
-srcdir=$srcdir
+srcdir="$srcdir"
 INSTALL="$INSTALL"
 EOF
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 # If no file are specified by the user, then we need to provide default
 # value.  By we need to know if files were specified by the user.
 ac_need_defaults=:
@@ -14635,17 +18532,17 @@ do
   case $1 in
   # Handling of the options.
 EOF
-cat >>$CONFIG_STATUS <<EOF
+cat >>"$CONFIG_STATUS" <<EOF
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     echo "running $SHELL $0 " $ac_configure_args " --no-create --no-recursion"
     exec $SHELL $0 $ac_configure_args --no-create --no-recursion ;;
 EOF
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
   --version | --vers* | -V )
     echo "$ac_cs_version"; exit 0 ;;
   --he | --h)
     # Conflict between --help and --header
-    { { echo "$as_me:14648: error: ambiguous option: $1
+    { { echo "$as_me:18545: error: ambiguous option: $1
 Try \`$0 --help' for more information." >&5
 echo "$as_me: error: ambiguous option: $1
 Try \`$0 --help' for more information." >&2;}
@@ -14664,7 +18561,7 @@ Try \`$0 --help' for more information." >&2;}
     ac_need_defaults=false;;
 
   # This is an error.
-  -*) { { echo "$as_me:14667: error: unrecognized option: $1
+  -*) { { echo "$as_me:18564: error: unrecognized option: $1
 Try \`$0 --help' for more information." >&5
 echo "$as_me: error: unrecognized option: $1
 Try \`$0 --help' for more information." >&2;}
@@ -14683,18 +18580,18 @@ cat >&5 << _ACEOF
 ## Running config.status.  ##
 ## ----------------------- ##
 
-This file was extended by $as_me 2.52.20150926, executed with
+This file was extended by $as_me 2.52.20210509, executed with
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
   CONFIG_LINKS    = $CONFIG_LINKS
   CONFIG_COMMANDS = $CONFIG_COMMANDS
-  > $ac_cs_invocation
+  > "$ac_cs_invocation"
 on `(hostname || uname -n) 2>/dev/null | sed 1q`
 
 _ACEOF
 EOF
 
-cat >>$CONFIG_STATUS <<EOF
+cat >>"$CONFIG_STATUS" <<EOF
 #
 # INIT-COMMANDS section.
 #
@@ -14713,6 +18610,8 @@ NCURSES_MAJOR="$NCURSES_MAJOR"
 NCURSES_MINOR="$NCURSES_MINOR"
 NCURSES_PATCH="$NCURSES_PATCH"
 USE_OLD_MAKERULES="$USE_OLD_MAKERULES"
+cf_cv_VERSION_GNATMAKE=$cf_cv_VERSION_GNATMAKE
+cf_cv_VERSION_GPRBUILD=$cf_cv_VERSION_GPRBUILD
 cf_cv_abi_version="$cf_cv_abi_version"
 cf_cv_rel_version="$cf_cv_rel_version"
 cf_cv_rm_so_locs="$cf_cv_rm_so_locs"
@@ -14725,17 +18624,18 @@ target="$target"
 
 EOF
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 for ac_config_target in $ac_config_targets
 do
   case "$ac_config_target" in
   # Handling of arguments.
   "$SUB_MAKEFILES" ) CONFIG_FILES="$CONFIG_FILES $SUB_MAKEFILES" ;;
+  "src/library.gpr" ) CONFIG_FILES="$CONFIG_FILES src/library.gpr:src/library.gpr.in" ;;
   "doc/adacurses${DFT_ARG_SUFFIX}-config.1" ) CONFIG_FILES="$CONFIG_FILES doc/adacurses${DFT_ARG_SUFFIX}-config.1:doc/MKada_config.in" ;;
   "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
   "default" ) CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
   "include/ncurses_cfg.h" ) CONFIG_HEADERS="$CONFIG_HEADERS include/ncurses_cfg.h:include/ncurses_cfg.hin" ;;
-  *) { { echo "$as_me:14738: error: invalid argument: $ac_config_target" >&5
+  *) { { echo "$as_me:18638: error: invalid argument: $ac_config_target" >&5
 echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
    { (exit 1); exit 1; }; };;
   esac
@@ -14745,7 +18645,7 @@ done
 # then the envvar interface is used.  Set only those that are not.
 # We use the long form for the default assignment because of an extremely
 # bizarre bug on SunOS 4.1.3.
-if $ac_need_defaults; then
+if "$ac_need_defaults"; then
   test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
   test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
   test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
@@ -14775,7 +18675,7 @@ $debug ||
 
 EOF
 
-cat >>$CONFIG_STATUS <<EOF
+cat >>"$CONFIG_STATUS" <<EOF
 
 #
 # CONFIG_FILES section.
@@ -14799,6 +18699,7 @@ s,@datadir@,$datadir,;t t
 s,@sysconfdir@,$sysconfdir,;t t
 s,@sharedstatedir@,$sharedstatedir,;t t
 s,@localstatedir@,$localstatedir,;t t
+s,@runstatedir@,$runstatedir,;t t
 s,@libdir@,$libdir,;t t
 s,@includedir@,$includedir,;t t
 s,@oldincludedir@,$oldincludedir,;t t
@@ -14831,6 +18732,8 @@ s,@target@,$target,;t t
 s,@target_cpu@,$target_cpu,;t t
 s,@target_vendor@,$target_vendor,;t t
 s,@target_os@,$target_os,;t t
+s,@GREP@,$GREP,;t t
+s,@FGREP@,$FGREP,;t t
 s,@CC@,$CC,;t t
 s,@CFLAGS@,$CFLAGS,;t t
 s,@LDFLAGS@,$LDFLAGS,;t t
@@ -14840,16 +18743,20 @@ s,@EXEEXT@,$EXEEXT,;t t
 s,@OBJEXT@,$OBJEXT,;t t
 s,@EXTRA_CPPFLAGS@,$EXTRA_CPPFLAGS,;t t
 s,@CPP@,$CPP,;t t
-s,@AWK@,$AWK,;t t
 s,@EGREP@,$EGREP,;t t
+s,@AWK@,$AWK,;t t
 s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
 s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
 s,@INSTALL_DATA@,$INSTALL_DATA,;t t
 s,@LN_S@,$LN_S,;t t
+s,@INSTALL_OPT_S@,$INSTALL_OPT_S,;t t
+s,@INSTALL_OPT_O@,$INSTALL_OPT_O,;t t
 s,@PKG_CONFIG@,$PKG_CONFIG,;t t
 s,@ac_pt_PKG_CONFIG@,$ac_pt_PKG_CONFIG,;t t
 s,@PKG_CONFIG_LIBDIR@,$PKG_CONFIG_LIBDIR,;t t
 s,@SET_MAKE@,$SET_MAKE,;t t
+s,@MAKE_NO_PHONY@,$MAKE_NO_PHONY,;t t
+s,@MAKE_PHONY@,$MAKE_PHONY,;t t
 s,@CTAGS@,$CTAGS,;t t
 s,@ETAGS@,$ETAGS,;t t
 s,@MAKE_LOWER_TAGS@,$MAKE_LOWER_TAGS,;t t
@@ -14912,12 +18819,17 @@ s,@ECHO_LD@,$ECHO_LD,;t t
 s,@RULE_CC@,$RULE_CC,;t t
 s,@SHOW_CC@,$SHOW_CC,;t t
 s,@ECHO_CC@,$ECHO_CC,;t t
-s,@ADAFLAGS@,$ADAFLAGS,;t t
 s,@EXTRA_CFLAGS@,$EXTRA_CFLAGS,;t t
+s,@HAVE_STDNORETURN_H@,$HAVE_STDNORETURN_H,;t t
+s,@STDC_NORETURN@,$STDC_NORETURN,;t t
+s,@ADAFLAGS@,$ADAFLAGS,;t t
 s,@ADA_TRACE@,$ADA_TRACE,;t t
-s,@gnat_exists@,$gnat_exists,;t t
+s,@cf_TEMP_gnat@,$cf_TEMP_gnat,;t t
 s,@M4_exists@,$M4_exists,;t t
 s,@cf_ada_make@,$cf_ada_make,;t t
+s,@cf_ada_config@,$cf_ada_config,;t t
+s,@cf_ada_config_Ada@,$cf_ada_config_Ada,;t t
+s,@cf_ada_config_C@,$cf_ada_config_C,;t t
 s,@GNATPREP_OPTS@,$GNATPREP_OPTS,;t t
 s,@cf_compile_generics@,$cf_compile_generics,;t t
 s,@cf_generic_objects@,$cf_generic_objects,;t t
@@ -14925,18 +18837,23 @@ s,@USE_GNAT_SIGINT@,$USE_GNAT_SIGINT,;t t
 s,@USE_OLD_MAKERULES@,$USE_OLD_MAKERULES,;t t
 s,@USE_GNAT_PROJECTS@,$USE_GNAT_PROJECTS,;t t
 s,@USE_GNAT_LIBRARIES@,$USE_GNAT_LIBRARIES,;t t
+s,@USE_GNAT_MAKE_GPR@,$USE_GNAT_MAKE_GPR,;t t
+s,@USE_GNAT_GPRBUILD@,$USE_GNAT_GPRBUILD,;t t
 s,@cf_ada_compiler@,$cf_ada_compiler,;t t
 s,@cf_ada_package@,$cf_ada_package,;t t
 s,@ADA_INCLUDE@,$ADA_INCLUDE,;t t
 s,@ADA_OBJECTS@,$ADA_OBJECTS,;t t
 s,@ADA_SHAREDLIB@,$ADA_SHAREDLIB,;t t
 s,@MAKE_ADA_SHAREDLIB@,$MAKE_ADA_SHAREDLIB,;t t
+s,@ADA_LIBNAME@,$ADA_LIBNAME,;t t
 s,@TINFO_LDFLAGS2@,$TINFO_LDFLAGS2,;t t
 s,@TINFO_LIBS@,$TINFO_LIBS,;t t
 s,@ACPPFLAGS@,$ACPPFLAGS,;t t
 s,@DFT_ARG_SUFFIX@,$DFT_ARG_SUFFIX,;t t
 s,@DFT_DEP_SUFFIX@,$DFT_DEP_SUFFIX,;t t
 s,@DFT_OBJ_SUBDIR@,$DFT_OBJ_SUBDIR,;t t
+s,@USE_ARG_SUFFIX@,$USE_ARG_SUFFIX,;t t
+s,@USE_LIB_SUFFIX@,$USE_LIB_SUFFIX,;t t
 s,@USE_CFG_SUFFIX@,$USE_CFG_SUFFIX,;t t
 s,@TEST_ARG2@,$TEST_ARG2,;t t
 s,@TEST_LIBS2@,$TEST_LIBS2,;t t
@@ -14950,7 +18867,7 @@ CEOF
 
 EOF
 
-  cat >>$CONFIG_STATUS <<\EOF
+  cat >>"$CONFIG_STATUS" <<\EOF
   # Split the substitutions into bite-sized pieces for seds with
   # small command number limits, like on Digital OSF/1 and HP-UX.
   ac_max_sed_lines=48
@@ -14959,8 +18876,8 @@ EOF
   ac_end=$ac_max_sed_lines # Line after last line for current file.
   ac_more_lines=:
   ac_sed_cmds=
-  while $ac_more_lines; do
-    if test $ac_beg -gt 1; then
+  while "$ac_more_lines"; do
+    if test "$ac_beg" -gt 1; then
       sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
     else
       sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
@@ -14977,15 +18894,15 @@ EOF
       # It is possible to make a multiline substitution using escaped newlines.
       # Ensure that we do not split the substitution between script fragments.
       ac_BEG=$ac_end
-      ac_END=`expr $ac_end + $ac_max_sed_lines`
+      ac_END=`expr "$ac_end" + "$ac_max_sed_lines"`
       sed "1,${ac_BEG}d; ${ac_END}p; q" $tmp/subs.sed >$tmp/subs.next
       if test -s $tmp/subs.next; then
         grep '^s,@[^@,][^@,]*@,.*\\$' $tmp/subs.next >$tmp/subs.edit
         if test ! -s $tmp/subs.edit; then
           grep "^s,@[^@,][^@,]*@,.*,;t t$" $tmp/subs.next >$tmp/subs.edit
           if test ! -s $tmp/subs.edit; then
-            if test $ac_beg -gt 1; then
-              ac_end=`expr $ac_end - 1`
+            if test "$ac_beg" -gt 1; then
+              ac_end=`expr "$ac_end" - 1`
               continue
             fi
           fi
@@ -14997,9 +18914,9 @@ EOF
       else
         ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
       fi
-      ac_sed_frag=`expr $ac_sed_frag + 1`
+      ac_sed_frag=`expr "$ac_sed_frag" + 1`
       ac_beg=$ac_end
-      ac_end=`expr $ac_end + $ac_max_sed_lines`
+      ac_end=`expr "$ac_end" + "$ac_max_sed_lines"`
     fi
   done
   if test -z "$ac_sed_cmds"; then
@@ -15008,10 +18925,10 @@ EOF
 fi # test -n "$CONFIG_FILES"
 
 EOF
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
   # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case $ac_file in
+  case "$ac_file" in
   - | *:- | *:-:* ) # input from stdin
         cat >$tmp/stdin
         ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
@@ -15057,19 +18974,19 @@ done; }
     ac_dir_suffix= ac_dots=
   fi
 
-  case $srcdir in
+  case "$srcdir" in
   .)  ac_srcdir=.
       if test -z "$ac_dots"; then
          ac_top_srcdir=.
       else
-         ac_top_srcdir=`echo $ac_dots | sed 's,/$,,'`
+         ac_top_srcdir=`echo "$ac_dots" | sed 's,/$,,'`
       fi ;;
   [\\/]* | ?:[\\/]* )
-      ac_srcdir=$srcdir$ac_dir_suffix;
-      ac_top_srcdir=$srcdir ;;
+      ac_srcdir="$srcdir$ac_dir_suffix";
+      ac_top_srcdir="$srcdir" ;;
   *) # Relative path.
-    ac_srcdir=$ac_dots$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_dots$srcdir ;;
+    ac_srcdir="$ac_dots$srcdir$ac_dir_suffix"
+    ac_top_srcdir="$ac_dots$srcdir" ;;
   esac
 
   case $INSTALL in
@@ -15078,7 +18995,7 @@ done; }
   esac
 
   if test x"$ac_file" != x-; then
-    { echo "$as_me:15081: creating $ac_file" >&5
+    { echo "$as_me:18998: creating $ac_file" >&5
 echo "$as_me: creating $ac_file" >&6;}
     rm -f "$ac_file"
   fi
@@ -15096,7 +19013,7 @@ echo "$as_me: creating $ac_file" >&6;}
       -) echo $tmp/stdin ;;
       [\\/$]*)
          # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:15099: error: cannot find input file: $f" >&5
+         test -f "$f" || { { echo "$as_me:19016: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          echo $f;;
@@ -15106,35 +19023,35 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
            echo $f
          elif test -f "$srcdir/$f"; then
            # Source tree
-           echo $srcdir/$f
+           echo "$srcdir/$f"
          else
            # /dev/null tree
-           { { echo "$as_me:15112: error: cannot find input file: $f" >&5
+           { { echo "$as_me:19029: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          fi;;
       esac
     done` || { (exit 1); exit 1; }
 EOF
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
   ac_warn_datarootdir=no
   if test x"$ac_file" != x-; then
     for ac_item in $ac_file_inputs
     do
-      ac_seen=`grep '@\(datadir\|mandir\|infodir\)@' $ac_item`
+      ac_seen=`grep '@\(datadir\|mandir\|infodir\)@' "$ac_item"`
       if test -n "$ac_seen"; then
-        ac_used=`grep '@datarootdir@' $ac_item`
+        ac_used=`grep '@datarootdir@' "$ac_item"`
         if test -z "$ac_used"; then
-          { echo "$as_me:15128: WARNING: datarootdir was used implicitly but not set:
+          { echo "$as_me:19045: WARNING: datarootdir was used implicitly but not set:
 $ac_seen" >&5
 echo "$as_me: WARNING: datarootdir was used implicitly but not set:
 $ac_seen" >&2;}
           ac_warn_datarootdir=yes
         fi
       fi
-      ac_seen=`grep '${datarootdir}' $ac_item`
+      ac_seen=`grep '${datarootdir}' "$ac_item"`
       if test -n "$ac_seen"; then
-        { echo "$as_me:15137: WARNING: datarootdir was used explicitly but not set:
+        { echo "$as_me:19054: WARNING: datarootdir was used explicitly but not set:
 $ac_seen" >&5
 echo "$as_me: WARNING: datarootdir was used explicitly but not set:
 $ac_seen" >&2;}
@@ -15148,11 +19065,11 @@ if test "x$ac_warn_datarootdir" = xyes; then
 fi
 
 EOF
-cat >>$CONFIG_STATUS <<EOF
+cat >>"$CONFIG_STATUS" <<EOF
   sed "$ac_vpsub
 $extrasub
 EOF
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
 s,@configure_input@,$configure_input,;t t
@@ -15162,27 +19079,27 @@ s,@INSTALL@,$ac_INSTALL,;t t
 " $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
   rm -f $tmp/stdin
   if test x"$ac_file" != x-; then
-    cp $tmp/out $ac_file
+    cp "$tmp/out" "$ac_file"
 
     for ac_name in prefix exec_prefix datarootdir
     do
-        ac_seen=`fgrep -n '${'$ac_name'[:=].*}' $ac_file`
+        ac_seen=`${FGREP-fgrep} -n '${'$ac_name'[:=].*}' "$ac_file"`
         if test -n "$ac_seen"; then
-            ac_init=`egrep '[ 	]*'$ac_name'[ 	]*=' $ac_file`
+            ac_init=`${EGREP-egrep} '[ 	]*'$ac_name'[ 	]*=' "$ac_file"`
             if test -z "$ac_init"; then
               ac_seen=`echo "$ac_seen" |sed -e 's,^,'$ac_file':,'`
-              { echo "$as_me:15174: WARNING: Variable $ac_name is used but was not set:
+              { echo "$as_me:19091: WARNING: Variable $ac_name is used but was not set:
 $ac_seen" >&5
 echo "$as_me: WARNING: Variable $ac_name is used but was not set:
 $ac_seen" >&2;}
             fi
         fi
     done
-    egrep -n '@[a-z_][a-z_0-9]+@' $ac_file >$tmp/out
-    egrep -n '@[A-Z_][A-Z_0-9]+@' $ac_file >>$tmp/out
+    ${EGREP-egrep} -n '@[a-z_][a-z_0-9]+@' "$ac_file" >$tmp/out
+    ${EGREP-egrep} -n '@[A-Z_][A-Z_0-9]+@' "$ac_file" >>$tmp/out
     if test -s $tmp/out; then
       ac_seen=`sed -e 's,^,'$ac_file':,' < $tmp/out`
-      { echo "$as_me:15185: WARNING: Some variables may not be substituted:
+      { echo "$as_me:19102: WARNING: Some variables may not be substituted:
 $ac_seen" >&5
 echo "$as_me: WARNING: Some variables may not be substituted:
 $ac_seen" >&2;}
@@ -15194,7 +19111,7 @@ $ac_seen" >&2;}
 
 done
 EOF
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 
 #
 # CONFIG_HEADER section.
@@ -15221,7 +19138,7 @@ ac_uD=',;t'
 
 for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
   # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case $ac_file in
+  case "$ac_file" in
   - | *:- | *:-:* ) # input from stdin
         cat >$tmp/stdin
         ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
@@ -15231,7 +19148,7 @@ for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
   * )   ac_file_in=$ac_file.in ;;
   esac
 
-  test x"$ac_file" != x- && { echo "$as_me:15234: creating $ac_file" >&5
+  test x"$ac_file" != x- && { echo "$as_me:19151: creating $ac_file" >&5
 echo "$as_me: creating $ac_file" >&6;}
 
   # First look for the input files in the build tree, otherwise in the
@@ -15242,7 +19159,7 @@ echo "$as_me: creating $ac_file" >&6;}
       -) echo $tmp/stdin ;;
       [\\/$]*)
          # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:15245: error: cannot find input file: $f" >&5
+         test -f "$f" || { { echo "$as_me:19162: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          echo $f;;
@@ -15252,10 +19169,10 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
            echo $f
          elif test -f "$srcdir/$f"; then
            # Source tree
-           echo $srcdir/$f
+           echo "$srcdir/$f"
          else
            # /dev/null tree
-           { { echo "$as_me:15258: error: cannot find input file: $f" >&5
+           { { echo "$as_me:19175: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          fi;;
@@ -15275,14 +19192,14 @@ cat confdefs.h | uniq >conftest.vals
 # the size of here documents, and old seds have small limits too.
 
 rm -f conftest.tail
-echo '  rm -f conftest.frag' >> $CONFIG_STATUS
+echo '  rm -f conftest.frag' >> "$CONFIG_STATUS"
 while grep . conftest.vals >/dev/null
 do
   # Write chunks of a limited-size here document to conftest.frag.
-  echo '  cat >> conftest.frag <<CEOF' >> $CONFIG_STATUS
-  sed ${ac_max_here_lines}q conftest.vals | sed -e 's/#ifdef.*/#if 0/' >> $CONFIG_STATUS
-  echo 'CEOF' >> $CONFIG_STATUS
-  sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
+  echo '  cat >> conftest.frag <<CEOF' >> "$CONFIG_STATUS"
+  sed "${ac_max_here_lines}q" conftest.vals | sed -e 's/#ifdef.*/#if 0/' >> "$CONFIG_STATUS"
+  echo 'CEOF' >> "$CONFIG_STATUS"
+  sed "1,${ac_max_here_lines}d" conftest.vals > conftest.tail
   rm -f conftest.vals
   mv conftest.tail conftest.vals
 done
@@ -15298,9 +19215,9 @@ sed -f conftest.edit $tmp/in > $tmp/out
 rm -f $tmp/in
 mv $tmp/out $tmp/in
 rm -f conftest.edit conftest.frag
-' >> $CONFIG_STATUS
+' >> "$CONFIG_STATUS"
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
   # Let's still pretend it is `configure' which instantiates (i.e., don't
   # use $as_me), people would be surprised to read:
   #    /* config.h.  Generated automatically by config.status.  */
@@ -15312,8 +19229,8 @@ cat >>$CONFIG_STATUS <<\EOF
   cat $tmp/in >>$tmp/config.h
   rm -f $tmp/in
   if test x"$ac_file" != x-; then
-    if cmp -s $ac_file $tmp/config.h 2>/dev/null; then
-      { echo "$as_me:15316: $ac_file is unchanged" >&5
+    if cmp -s "$ac_file" "$tmp/config.h" 2>/dev/null; then
+      { echo "$as_me:19233: $ac_file is unchanged" >&5
 echo "$as_me: $ac_file is unchanged" >&6;}
     else
       ac_dir=`$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
@@ -15345,8 +19262,8 @@ for as_mkdir_dir in `IFS='/\\'; set X $as_dummy; shift; echo "$@"`; do
 done; }
 
       fi
-      rm -f $ac_file
-      mv $tmp/config.h $ac_file
+      rm -f "$ac_file"
+      mv "$tmp/config.h" "$ac_file"
     fi
   else
     cat $tmp/config.h
@@ -15354,7 +19271,7 @@ done; }
   fi
 done
 EOF
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 #
 # CONFIG_COMMANDS section.
 #
@@ -15362,7 +19279,7 @@ for ac_file in : $CONFIG_COMMANDS; do test "x$ac_file" = x: && continue
   ac_dest=`echo "$ac_file" | sed 's,:.*,,'`
   ac_source=`echo "$ac_file" | sed 's,[^:]*:,,'`
 
-  case $ac_dest in
+  case "$ac_dest" in
     default )
 if test -z "$USE_OLD_MAKERULES" ; then
 	$AWK -f $srcdir/mk-1st.awk <$srcdir/src/modules >>src/Makefile
@@ -15372,11 +19289,11 @@ fi
 done
 EOF
 
-cat >>$CONFIG_STATUS <<\EOF
+cat >>"$CONFIG_STATUS" <<\EOF
 
 { (exit 0); exit 0; }
 EOF
-chmod +x $CONFIG_STATUS
+chmod +x "$CONFIG_STATUS"
 ac_clean_files=$ac_clean_files_save
 
 # configure is writing to config.log, and then calls config.status.
@@ -15390,10 +19307,10 @@ ac_clean_files=$ac_clean_files_save
 if test "$no_create" != yes; then
   ac_cs_success=:
   exec 5>/dev/null
-  $SHELL $CONFIG_STATUS || ac_cs_success=false
+  $SHELL "$CONFIG_STATUS" || ac_cs_success=false
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || { (exit 1); exit 1; }
+  "$ac_cs_success" || { (exit 1); exit 1; }
 fi
 ${MAKE:-make} preinstall