ncurses 6.0 - patch 20150919
[ncurses.git] / Ada95 / aclocal.m4
index 99976bdf7bc7725fa1bae7e8a0523ce169a8f010..49d733a612a9008b64bcb87ca623badd0deb070d 100644 (file)
@@ -1,5 +1,5 @@
 dnl***************************************************************************
-dnl Copyright (c) 2010-2013,2014 Free Software Foundation, Inc.              *
+dnl Copyright (c) 2010-2014,2015 Free Software Foundation, Inc.              *
 dnl                                                                          *
 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
 dnl copy of this software and associated documentation files (the            *
@@ -28,7 +28,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey
 dnl
-dnl $Id: aclocal.m4,v 1.90 2014/07/26 22:58:13 tom Exp $
+dnl $Id: aclocal.m4,v 1.106 2015/08/22 21:14:14 tom Exp $
 dnl Macros used in NCURSES Ada95 auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -97,7 +97,7 @@ AC_DEFUN([CF_ADD_ADAFLAGS],[
        AC_SUBST(ADAFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_CFLAGS version: 11 updated: 2014/07/22 05:32:57
+dnl CF_ADD_CFLAGS version: 12 updated: 2015/04/12 15:39:00
 dnl -------------
 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 dnl The second parameter if given makes this macro verbose.
@@ -115,11 +115,11 @@ cf_new_extra_cppflags=
 for cf_add_cflags in $1
 do
 case $cf_fix_cppflags in
-no)
-       case $cf_add_cflags in #(vi
-       -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
+(no)
+       case $cf_add_cflags in
+       (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
                case $cf_add_cflags in
-               -D*)
+               (-D*)
                        cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 
                        test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
@@ -136,11 +136,11 @@ no)
                        ;;
                esac
                case "$CPPFLAGS" in
-               *$cf_add_cflags) #(vi
+               (*$cf_add_cflags)
                        ;;
-               *) #(vi
-                       case $cf_add_cflags in #(vi
-                       -D*)
+               (*)
+                       case $cf_add_cflags in
+                       (-D*)
                                cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
                                CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
                                ;;
@@ -149,12 +149,12 @@ no)
                        ;;
                esac
                ;;
-       *)
+       (*)
                cf_new_cflags="$cf_new_cflags $cf_add_cflags"
                ;;
        esac
        ;;
-yes)
+(yes)
        cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 
        cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
@@ -185,7 +185,7 @@ AC_SUBST(EXTRA_CPPFLAGS)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
+dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
 dnl -------------
 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
@@ -236,6 +236,8 @@ if test -n "$1" ; then
                else
                  break
                fi
+         else
+               break
          fi
        done
   done
@@ -250,7 +252,7 @@ dnl $1 = library to add, without the "-l"
 dnl $2 = variable to update (default $LIBS)
 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
+dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
 dnl -------------
 dnl    Adds to the library-path
 dnl
@@ -262,27 +264,27 @@ dnl
 AC_DEFUN([CF_ADD_LIBDIR],
 [
 if test -n "$1" ; then
-  for cf_add_libdir in $1
-  do
-    if test $cf_add_libdir = /usr/lib ; then
-      :
-    elif test -d $cf_add_libdir
-    then
-      cf_have_libdir=no
-      if test -n "$LDFLAGS$LIBS" ; then
-        # a loop is needed to ensure we can add subdirs of existing dirs
-        for cf_test_libdir in $LDFLAGS $LIBS ; do
-          if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
-            cf_have_libdir=yes; break
-          fi
-        done
-      fi
-      if test "$cf_have_libdir" = no ; then
-        CF_VERBOSE(adding $cf_add_libdir to library-path)
-        ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
-      fi
-    fi
-  done
+       for cf_add_libdir in $1
+       do
+               if test $cf_add_libdir = /usr/lib ; then
+                       :
+               elif test -d $cf_add_libdir
+               then
+                       cf_have_libdir=no
+                       if test -n "$LDFLAGS$LIBS" ; then
+                               # a loop is needed to ensure we can add subdirs of existing dirs
+                               for cf_test_libdir in $LDFLAGS $LIBS ; do
+                                       if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
+                                               cf_have_libdir=yes; break
+                                       fi
+                               done
+                       fi
+                       if test "$cf_have_libdir" = no ; then
+                               CF_VERBOSE(adding $cf_add_libdir to library-path)
+                               ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
+                       fi
+               fi
+       done
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -340,7 +342,7 @@ dnl Allow user to disable a normally-on option.
 AC_DEFUN([CF_ARG_DISABLE],
 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
+dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 dnl -------------
 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 dnl values.
@@ -353,15 +355,15 @@ dnl $4 = action if perform if option is default
 dnl $5 = default option value (either 'yes' or 'no')
 AC_DEFUN([CF_ARG_OPTION],
 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
-  if test "$enableval" != "$5" ; then
+       if test "$enableval" != "$5" ; then
 ifelse([$3],,[    :]dnl
 ,[    $3]) ifelse([$4],,,[
-  else
-    $4])
-  fi],[enableval=$5 ifelse([$4],,,[
-  $4
+       else
+               $4])
+       fi],[enableval=$5 ifelse([$4],,,[
+       $4
 ])dnl
-  ])])dnl
+])])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 dnl -----------
@@ -508,7 +510,7 @@ AC_SUBST(BUILD_EXEEXT)
 AC_SUBST(BUILD_OBJEXT)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
+dnl CF_CC_ENV_FLAGS version: 2 updated: 2015/04/12 15:39:00
 dnl ---------------
 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 dnl into CC.  This will not help with broken scripts that wrap the compiler with
@@ -519,8 +521,8 @@ AC_DEFUN([CF_CC_ENV_FLAGS],
 : ${CC:=cc}
 
 AC_MSG_CHECKING(\$CC variable)
-case "$CC" in #(vi
-*[[\ \ ]]-[[IUD]]*)
+case "$CC" in
+(*[[\ \        ]]-[[IUD]]*)
        AC_MSG_RESULT(broken)
        AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
        # humor him...
@@ -528,13 +530,13 @@ case "$CC" in #(vi
        CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
        CF_ADD_CFLAGS($cf_flags)
        ;;
-*)
+(*)
        AC_MSG_RESULT(ok)
        ;;
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
+dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
 dnl ---------------
 dnl Determine the default configuration into which we'll install ncurses.  This
 dnl can be overridden by the user's command-line options.  There's two items to
@@ -552,10 +554,10 @@ AC_MSG_CHECKING(for prefix)
 if test "x$prefix" = "xNONE" ; then
        case "$cf_cv_system_name" in
                # non-vendor systems don't have a conflict
-       openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
+       (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
                prefix=/usr
                ;;
-       *)      prefix=$ac_default_prefix
+       (*)     prefix=$ac_default_prefix
                ;;
        esac
 fi
@@ -656,7 +658,7 @@ cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_HEADER version: 3 updated: 2011/05/01 19:47:45
+dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
 dnl ----------------
 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 dnl variations of ncurses' installs.
@@ -665,11 +667,9 @@ dnl $1 = ncurses when looking for ncurses, or is empty
 AC_DEFUN([CF_CURSES_HEADER],[
 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 cf_cv_ncurses_header=none
-for cf_header in ifelse($1,,,[ \
-    $1/ncurses.h \
-       $1/curses.h]) \
-       ncurses.h \
-       curses.h ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
+for cf_header in \
+       ncurses.h ifelse($1,,,[$1/ncurses.h]) \
+       curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
 do
 AC_TRY_COMPILE([#include <${cf_header}>],
        [initscr(); tgoto("?", 0,0)],
@@ -690,7 +690,7 @@ dnl ----------
 dnl "dirname" is not portable, so we fake it with a shell script.
 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
+dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
 dnl ---------------
 dnl You can always use "make -n" to see the actual options, but it's hard to
 dnl pick out/analyze warning messages when the compile-line is long.
@@ -707,17 +707,17 @@ AC_MSG_CHECKING(if you want to see long compiling messages)
 CF_ARG_DISABLE(echo,
        [  --disable-echo          do not display "compiling" commands],
        [
-    ECHO_LT='--silent'
-    ECHO_LD='@echo linking [$]@;'
-    RULE_CC='@echo compiling [$]<'
-    SHOW_CC='@echo compiling [$]@'
-    ECHO_CC='@'
+       ECHO_LT='--silent'
+       ECHO_LD='@echo linking [$]@;'
+       RULE_CC='@echo compiling [$]<'
+       SHOW_CC='@echo compiling [$]@'
+       ECHO_CC='@'
 ],[
-    ECHO_LT=''
-    ECHO_LD=''
-    RULE_CC=''
-    SHOW_CC=''
-    ECHO_CC=''
+       ECHO_LT=''
+       ECHO_LD=''
+       RULE_CC=''
+       SHOW_CC=''
+       ECHO_CC=''
 ])
 AC_MSG_RESULT($enableval)
 AC_SUBST(ECHO_LT)
@@ -738,7 +738,7 @@ CF_ARG_DISABLE(gnat-projects,
 AC_MSG_RESULT($enable_gnat_projects)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
+dnl CF_ENABLE_PC_FILES version: 12 updated: 2015/04/17 21:13:04
 dnl ------------------
 dnl This is the "--enable-pc-files" option, which is available if there is a
 dnl pkg-config configuration on the local machine.
@@ -746,20 +746,35 @@ AC_DEFUN([CF_ENABLE_PC_FILES],[
 AC_REQUIRE([CF_PKG_CONFIG])
 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
 
-if test "$PKG_CONFIG" != none ; then
+if test "x$PKG_CONFIG" != xnone
+then
        AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
-       AC_ARG_ENABLE(pc-files,
-               [  --enable-pc-files       generate and install .pc files for pkg-config],
-               [enable_pc_files=$enableval],
-               [enable_pc_files=no])
-       AC_MSG_RESULT($enable_pc_files)
-       if test "$enable_pc_files" != no
-       then
+else
+       AC_MSG_CHECKING(if we should install .pc files)
+fi
+
+AC_ARG_ENABLE(pc-files,
+       [  --enable-pc-files       generate and install .pc files for pkg-config],
+       [enable_pc_files=$enableval],
+       [enable_pc_files=no])
+AC_MSG_RESULT($enable_pc_files)
+
+if test "x$enable_pc_files" != xno
+then
+       case "x$PKG_CONFIG_LIBDIR" in
+       (xno|xyes)
+               AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
+               MAKE_PC_FILES="#"
+               ;;
+       (*)
                CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
-       fi
+               MAKE_PC_FILES=
+               ;;
+       esac
 else
-       enable_pc_files=no
+       MAKE_PC_FILES="#"
 fi
+AC_SUBST(MAKE_PC_FILES)
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
@@ -812,7 +827,7 @@ fi
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
+dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
 dnl ---------------
 dnl Find a library (specifically the linkage used in the code fragment),
 dnl searching for it if it is not already in the library path.
@@ -860,73 +875,73 @@ AC_TRY_LINK([$1],[$2],[
        cf_cv_find_linkage_$3=no
        LIBS="$cf_save_LIBS"
 
-    CF_VERBOSE(find linkage for $3 library)
-    CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
-
-    cf_save_CPPFLAGS="$CPPFLAGS"
-    cf_test_CPPFLAGS="$CPPFLAGS"
-
-    CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
-    for cf_cv_header_path_$3 in $cf_search
-    do
-      if test -d $cf_cv_header_path_$3 ; then
-        CF_VERBOSE(... testing $cf_cv_header_path_$3)
-        CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
-        AC_TRY_COMPILE([$1],[$2],[
-            CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
-            cf_cv_find_linkage_$3=maybe
-            cf_test_CPPFLAGS="$CPPFLAGS"
-            break],[
-            CPPFLAGS="$cf_save_CPPFLAGS"
-            ])
-      fi
-    done
-
-    if test "$cf_cv_find_linkage_$3" = maybe ; then
-
-      CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
-
-      cf_save_LIBS="$LIBS"
-      cf_save_LDFLAGS="$LDFLAGS"
-
-      ifelse([$6],,,[
-        CPPFLAGS="$cf_test_CPPFLAGS"
-        LIBS="-l$3 $7 $cf_save_LIBS"
-        AC_TRY_LINK([$1],[$2],[
-            CF_VERBOSE(... found $3 library in system)
-            cf_cv_find_linkage_$3=yes])
-            CPPFLAGS="$cf_save_CPPFLAGS"
-            LIBS="$cf_save_LIBS"
-            ])
-
-      if test "$cf_cv_find_linkage_$3" != yes ; then
-        CF_LIBRARY_PATH(cf_search,$3)
-        for cf_cv_library_path_$3 in $cf_search
-        do
-          if test -d $cf_cv_library_path_$3 ; then
-            CF_VERBOSE(... testing $cf_cv_library_path_$3)
-            CPPFLAGS="$cf_test_CPPFLAGS"
-            LIBS="-l$3 $7 $cf_save_LIBS"
-            LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
-            AC_TRY_LINK([$1],[$2],[
-                CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
-                cf_cv_find_linkage_$3=yes
-                cf_cv_library_file_$3="-l$3"
-                break],[
-                CPPFLAGS="$cf_save_CPPFLAGS"
-                LIBS="$cf_save_LIBS"
-                LDFLAGS="$cf_save_LDFLAGS"
-                ])
-          fi
-        done
-        CPPFLAGS="$cf_save_CPPFLAGS"
-        LDFLAGS="$cf_save_LDFLAGS"
-      fi
-
-    else
-      cf_cv_find_linkage_$3=no
-    fi
-    ],$7)
+       CF_VERBOSE(find linkage for $3 library)
+       CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
+
+       cf_save_CPPFLAGS="$CPPFLAGS"
+       cf_test_CPPFLAGS="$CPPFLAGS"
+
+       CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
+       for cf_cv_header_path_$3 in $cf_search
+       do
+               if test -d $cf_cv_header_path_$3 ; then
+                       CF_VERBOSE(... testing $cf_cv_header_path_$3)
+                       CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
+                       AC_TRY_COMPILE([$1],[$2],[
+                               CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
+                               cf_cv_find_linkage_$3=maybe
+                               cf_test_CPPFLAGS="$CPPFLAGS"
+                               break],[
+                               CPPFLAGS="$cf_save_CPPFLAGS"
+                               ])
+               fi
+       done
+
+       if test "$cf_cv_find_linkage_$3" = maybe ; then
+
+               CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
+
+               cf_save_LIBS="$LIBS"
+               cf_save_LDFLAGS="$LDFLAGS"
+
+               ifelse([$6],,,[
+               CPPFLAGS="$cf_test_CPPFLAGS"
+               LIBS="-l$3 $7 $cf_save_LIBS"
+               AC_TRY_LINK([$1],[$2],[
+                       CF_VERBOSE(... found $3 library in system)
+                       cf_cv_find_linkage_$3=yes])
+                       CPPFLAGS="$cf_save_CPPFLAGS"
+                       LIBS="$cf_save_LIBS"
+                       ])
+
+               if test "$cf_cv_find_linkage_$3" != yes ; then
+                       CF_LIBRARY_PATH(cf_search,$3)
+                       for cf_cv_library_path_$3 in $cf_search
+                       do
+                               if test -d $cf_cv_library_path_$3 ; then
+                                       CF_VERBOSE(... testing $cf_cv_library_path_$3)
+                                       CPPFLAGS="$cf_test_CPPFLAGS"
+                                       LIBS="-l$3 $7 $cf_save_LIBS"
+                                       LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
+                                       AC_TRY_LINK([$1],[$2],[
+                                       CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
+                                       cf_cv_find_linkage_$3=yes
+                                       cf_cv_library_file_$3="-l$3"
+                                       break],[
+                                       CPPFLAGS="$cf_save_CPPFLAGS"
+                                       LIBS="$cf_save_LIBS"
+                                       LDFLAGS="$cf_save_LDFLAGS"
+                                       ])
+                               fi
+                       done
+                       CPPFLAGS="$cf_save_CPPFLAGS"
+                       LDFLAGS="$cf_save_LDFLAGS"
+               fi
+
+       else
+               cf_cv_find_linkage_$3=no
+       fi
+       ],$7)
 ])
 
 LIBS="$cf_save_LIBS"
@@ -942,18 +957,18 @@ ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
+dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
 dnl -----------------
 dnl make ADAFLAGS consistent with CFLAGS
 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
        AC_MSG_CHECKING(optimization options for ADAFLAGS)
        case "$CFLAGS" in
-       *-g*)
+       (*-g*)
                CF_ADD_ADAFLAGS(-g)
                ;;
        esac
        case "$CFLAGS" in
-       *-O*)
+       (*-O*)
                cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
                CF_ADD_ADAFLAGS($cf_O_flag)
                ;;
@@ -961,7 +976,7 @@ AC_DEFUN([CF_FIXUP_ADAFLAGS],[
        AC_MSG_RESULT($ADAFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
+dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
 dnl -----------------
 dnl Test for availability of useful gcc __attribute__ directives to quiet
 dnl compiler warnings.  Though useful, not all are supported -- and contrary
@@ -1015,20 +1030,20 @@ EOF
                cf_directive="__attribute__(($cf_attribute))"
                echo "checking for $CC $cf_directive" 1>&AC_FD_CC
 
-               case $cf_attribute in #(vi
-               printf) #(vi
+               case $cf_attribute in
+               (printf)
                        cf_printf_attribute=yes
                        cat >conftest.h <<EOF
 #define GCC_$cf_ATTRIBUTE 1
 EOF
                        ;;
-               scanf) #(vi
+               (scanf)
                        cf_scanf_attribute=yes
                        cat >conftest.h <<EOF
 #define GCC_$cf_ATTRIBUTE 1
 EOF
                        ;;
-               *) #(vi
+               (*)
                        cat >conftest.h <<EOF
 #define GCC_$cf_ATTRIBUTE $cf_directive
 EOF
@@ -1038,11 +1053,11 @@ EOF
                if AC_TRY_EVAL(ac_compile); then
                        test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
                        cat conftest.h >>confdefs.h
-                       case $cf_attribute in #(vi
-                       noreturn) #(vi
+                       case $cf_attribute in
+                       (noreturn)
                                AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
                                ;;
-                       printf) #(vi
+                       (printf)
                                cf_value='/* nothing */'
                                if test "$cf_printf_attribute" != no ; then
                                        cf_value='__attribute__((format(printf,fmt,var)))'
@@ -1050,7 +1065,7 @@ EOF
                                fi
                                AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
                                ;;
-                       scanf) #(vi
+                       (scanf)
                                cf_value='/* nothing */'
                                if test "$cf_scanf_attribute" != no ; then
                                        cf_value='__attribute__((format(scanf,fmt,var)))'
@@ -1058,7 +1073,7 @@ EOF
                                fi
                                AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
                                ;;
-                       unused) #(vi
+                       (unused)
                                AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
                                ;;
                        esac
@@ -1085,7 +1100,7 @@ if test "$GCC" = yes ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
+dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
 dnl ---------------
 dnl Check if the compiler supports useful warning options.  There's a few that
 dnl we don't use, simply because they're too noisy:
@@ -1177,20 +1192,20 @@ then
                CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
                if AC_TRY_EVAL(ac_compile); then
                        test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
-                       case $cf_opt in #(vi
-                       Wcast-qual) #(vi
+                       case $cf_opt in
+                       (Wcast-qual)
                                CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
                                ;;
-                       Winline) #(vi
+                       (Winline)
                                case $GCC_VERSION in
-                               [[34]].*)
+                               ([[34]].*)
                                        CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
                                        continue;;
                                esac
                                ;;
-                       Wpointer-arith) #(vi
+                       (Wpointer-arith)
                                case $GCC_VERSION in
-                               [[12]].*)
+                               ([[12]].*)
                                        CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
                                        continue;;
                                esac
@@ -1206,18 +1221,29 @@ rm -rf conftest*
 AC_SUBST(EXTRA_CFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
+dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
+dnl -----------------
+AC_DEFUN([CF_GNATPREP_OPT_T],[
+AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
+cf_cv_gnatprep_opt_t=no
+gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
+])
+test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
+AC_SUBST(GNATPREP_OPTS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
 dnl ----------------
 AC_DEFUN([CF_GNAT_GENERICS],
 [
 AC_REQUIRE([CF_GNAT_VERSION])
 
 AC_MSG_CHECKING(if GNAT supports generics)
-case $cf_gnat_version in #(vi
-3.[[1-9]]*|[[4-9]].*) #(vi
+case $cf_gnat_version in
+(3.[[1-9]]*|[[4-9]].*)
        cf_gnat_generics=yes
        ;;
-*)
+(*)
        cf_gnat_generics=no
        ;;
 esac
@@ -1236,7 +1262,7 @@ AC_SUBST(cf_compile_generics)
 AC_SUBST(cf_generic_objects)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
+dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
 dnl ----------------
 dnl GNAT projects are configured with ".gpr" project files.
 dnl GNAT libraries are a further development, using the project feature.
@@ -1250,14 +1276,14 @@ cf_gnat_projects=no
 
 if test "$enable_gnat_projects" != no ; then
 AC_MSG_CHECKING(if GNAT supports project files)
-case $cf_gnat_version in #(vi
-3.[[0-9]]*) #(vi
+case $cf_gnat_version in
+(3.[[0-9]]*)
        ;;
-*)
-       case $cf_cv_system_name in #(vi
-       cygwin*|msys*) #(vi
+(*)
+       case $cf_cv_system_name in
+       (cygwin*|msys*)
                ;;
-       *)
+       (*)
                mkdir conftest.src conftest.bin conftest.lib
                cd conftest.src
                rm -rf conftest* *~conftest*
@@ -1443,7 +1469,7 @@ fi
 rm -rf conftest* *~conftest*
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
+dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
 dnl ---------------
 dnl Verify version of GNAT.
 AC_DEFUN([CF_GNAT_VERSION],
@@ -1451,14 +1477,14 @@ AC_DEFUN([CF_GNAT_VERSION],
 AC_MSG_CHECKING(for gnat version)
 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
        grep '[[0-9]].[[0-9]][[0-9]]*' |\
-    sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
+       sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
 AC_MSG_RESULT($cf_gnat_version)
 
-case $cf_gnat_version in #(vi
-3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
+case $cf_gnat_version in
+(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
        cf_cv_prog_gnat_correct=yes
        ;;
-*)
+(*)
        AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
        cf_cv_prog_gnat_correct=no
        ;;
@@ -1495,7 +1521,7 @@ make an error
 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
+dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
 dnl --------------
 dnl Construct a search-list of directories for a nonstandard header-file
 dnl
@@ -1511,8 +1537,8 @@ cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
        for cf_header_path in $CPPFLAGS $CFLAGS
        do
-               case $cf_header_path in #(vi
-               -I*)
+               case $cf_header_path in
+               (-I*)
                        cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
                        CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
                        cf_header_path_list="$cf_header_path_list [$]$1"
@@ -1548,25 +1574,12 @@ AC_DEFUN([CF_HELP_MESSAGE],
 [AC_DIVERT_HELP([$1])dnl
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INCLUDE_DIRS version: 9 updated: 2014/07/26 18:54:28
+dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
 dnl ---------------
 dnl Construct the list of include-options according to whether we're building
-dnl in the source directory or using '--srcdir=DIR' option.  If we're building
-dnl with gcc, don't append the includedir if it happens to be /usr/include,
-dnl since that usually breaks gcc's shadow-includes.
+dnl in the source directory or using '--srcdir=DIR' option.
 AC_DEFUN([CF_INCLUDE_DIRS],
 [
-if test "$GCC" != yes; then
-       CPPFLAGS="-I\${includedir} $CPPFLAGS"
-elif test "$includedir" != "/usr/include"; then
-       if test "$includedir" = '${prefix}/include' ; then
-               if test x$prefix != x/usr ; then
-                       CPPFLAGS="-I\${includedir} $CPPFLAGS"
-               fi
-       else
-               CPPFLAGS="-I\${includedir} $CPPFLAGS"
-       fi
-fi
 if test "$srcdir" != "."; then
        CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
 fi
@@ -1578,7 +1591,7 @@ CPPFLAGS="-I. $CPPFLAGS"
 AC_SUBST(CPPFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
+dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
 dnl -----------------
 dnl Check if the given compiler is really the Intel compiler for Linux.  It
 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
@@ -1597,7 +1610,7 @@ ifelse([$2],,INTEL_COMPILER,[$2])=no
 
 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
        case $host_os in
-       linux*|gnu*)
+       (linux*|gnu*)
                AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
                cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
                ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
@@ -1616,13 +1629,13 @@ cf_save_CFLAGS="$cf_save_CFLAGS -we147"
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
+dnl CF_LARGEFILE version: 9 updated: 2015/04/18 08:56:57
 dnl ------------
 dnl Add checks for large file support.
 AC_DEFUN([CF_LARGEFILE],[
 ifdef([AC_FUNC_FSEEKO],[
-    AC_SYS_LARGEFILE
-    if test "$enable_largefile" != no ; then
+       AC_SYS_LARGEFILE
+       if test "$enable_largefile" != no ; then
        AC_FUNC_FSEEKO
 
        # Normally we would collect these definitions in the config.h,
@@ -1651,11 +1664,11 @@ ifdef([AC_FUNC_FSEEKO],[
                [cf_cv_struct_dirent64=no])
        ])
        test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
-    fi
+       fi
 ])
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
+dnl CF_LD_RPATH_OPT version: 6 updated: 2015/04/12 15:39:00
 dnl ---------------
 dnl For the given system and compiler, find the compiler flags to pass to the
 dnl loader to use the "rpath" feature.
@@ -1665,39 +1678,39 @@ AC_REQUIRE([CF_CHECK_CACHE])
 
 LD_RPATH_OPT=
 AC_MSG_CHECKING(for an rpath option)
-case $cf_cv_system_name in #(vi
-irix*) #(vi
+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) #(vi
+(linux*|gnu*|k*bsd*-gnu)
        LD_RPATH_OPT="-Wl,-rpath,"
        ;;
-openbsd[[2-9]].*|mirbsd*) #(vi
+(openbsd[[2-9]].*|mirbsd*)
        LD_RPATH_OPT="-Wl,-rpath,"
        ;;
-dragonfly*|freebsd*) #(vi
+(dragonfly*|freebsd*)
        LD_RPATH_OPT="-rpath "
        ;;
-netbsd*) #(vi
+(netbsd*)
        LD_RPATH_OPT="-Wl,-rpath,"
        ;;
-osf*|mls+*) #(vi
+(osf*|mls+*)
        LD_RPATH_OPT="-rpath "
        ;;
-solaris2*) #(vi
+(solaris2*)
        LD_RPATH_OPT="-R"
        ;;
-*)
+(*)
        ;;
 esac
 AC_MSG_RESULT($LD_RPATH_OPT)
 
-case "x$LD_RPATH_OPT" in #(vi
-x-R*)
+case "x$LD_RPATH_OPT" in
+(x-R*)
        AC_MSG_CHECKING(if we need a space after rpath option)
        cf_save_LIBS="$LIBS"
        CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
@@ -1709,7 +1722,7 @@ x-R*)
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
+dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
 dnl ---------------
 dnl Construct a search-list of directories for a nonstandard library-file
 dnl
@@ -1723,8 +1736,8 @@ cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
        for cf_library_path in $LDFLAGS $LIBS
        do
-               case $cf_library_path in #(vi
-               -L*)
+               case $cf_library_path in
+               (-L*)
                        cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
                        CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
                        cf_library_path_list="$cf_library_path_list [$]$1"
@@ -1738,24 +1751,24 @@ CF_SUBDIR_PATH($1,$2,lib)
 $1="$cf_library_path_list [$]$1"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
+dnl CF_LIB_PREFIX version: 11 updated: 2015/04/18 08:56:57
 dnl -------------
 dnl Compute the library-prefix for the given host system
 dnl $1 = variable to set
 define([CF_LIB_PREFIX],
 [
-       case $cf_cv_system_name in #(vi
-       OS/2*|os2*) #(vi
-        LIB_PREFIX=''
-        ;;
-       *)      LIB_PREFIX='lib'
-        ;;
+       case $cf_cv_system_name in
+       (OS/2*|os2*)
+               LIB_PREFIX=''
+               ;;
+       (*)     LIB_PREFIX='lib'
+               ;;
        esac
 ifelse($1,,,[$1=$LIB_PREFIX])
        AC_SUBST(LIB_PREFIX)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
+dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
 dnl -------------
 dnl Compute the library file-suffix from the given model name
 dnl $1 = model name
@@ -1764,61 +1777,64 @@ dnl $3 = dependency variable to set (actual filename)
 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
 AC_DEFUN([CF_LIB_SUFFIX],
 [
-       case X$1 in #(vi
-       Xlibtool) #(vi
+       case X$1 in
+       (Xlibtool)
                $2='.la'
                $3=[$]$2
                ;;
-       Xdebug) #(vi
+       (Xdebug)
                $2='_g.a'
                $3=[$]$2
                ;;
-       Xprofile) #(vi
+       (Xprofile)
                $2='_p.a'
                $3=[$]$2
                ;;
-       Xshared) #(vi
+       (Xshared)
                case $cf_cv_system_name in
-               aix[[5-7]]*) #(vi
+               (aix[[5-7]]*)
                        $2='.so'
                        $3=[$]$2
                        ;;
-               cygwin*|msys*|mingw*) #(vi
+               (cygwin*|msys*|mingw*)
                        $2='.dll'
                        $3='.dll.a'
                        ;;
-               darwin*) #(vi
+               (darwin*)
                        $2='.dylib'
                        $3=[$]$2
                        ;;
-               hpux*) #(vi
+               (hpux*)
                        case $target in
-                       ia64*) #(vi
+                       (ia64*)
                                $2='.so'
                                $3=[$]$2
                                ;;
-                       *) #(vi
+                       (*)
                                $2='.sl'
                                $3=[$]$2
                                ;;
                        esac
                        ;;
-               *) #(vi
+               (*)
                        $2='.so'
                        $3=[$]$2
                        ;;
                esac
                ;;
-       *)
+       (*)
                $2='.a'
                $3=[$]$2
                ;;
        esac
-       test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
-       test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
+       if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
+       then
+               $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
+               $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
+       fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
+dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
 dnl -----------
 dnl Compute the string to append to -library from the given model name
 dnl $1 = model name
@@ -1827,11 +1843,11 @@ dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
 AC_DEFUN([CF_LIB_TYPE],
 [
        case $1 in
-       libtool) $2=''   ;;
-       normal)  $2=''   ;;
-       debug)   $2='_g' ;;
-       profile) $2='_p' ;;
-       shared)  $2=''   ;;
+       (libtool) $2=''   ;;
+       (normal)  $2=''   ;;
+       (debug)   $2='_g' ;;
+       (profile) $2='_p' ;;
+       (shared)  $2=''   ;;
        esac
        test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
 ])dnl
@@ -1899,7 +1915,7 @@ fi
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
+dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28
 dnl ------------
 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
@@ -1912,24 +1928,24 @@ AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
        for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
        do
                cat >cf_makeflags.tmp <<CF_EOF
-SHELL = /bin/sh
+SHELL = $SHELL
 all :
        @ echo '.$cf_option'
 CF_EOF
                cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
                case "$cf_result" in
-               .*k|.*kw)
+               (.*k|.*kw)
                        cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
                        case "$cf_result" in
-                       .*CC=*) cf_cv_makeflags=
+                       (.*CC=*)        cf_cv_makeflags=
                                ;;
-                       *)      cf_cv_makeflags=$cf_option
+                       (*)     cf_cv_makeflags=$cf_option
                                ;;
                        esac
                        break
                        ;;
-               .-)     ;;
-               *)      echo "given option \"$cf_option\", no match \"$cf_result\""
+               (.-)    ;;
+               (*)     echo "given option \"$cf_option\", no match \"$cf_result\""
                        ;;
                esac
        done
@@ -1976,7 +1992,7 @@ AC_SUBST(MAKE_UPPER_TAGS)
 AC_SUBST(MAKE_LOWER_TAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
+dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
 dnl ----------------------
 dnl Check if the file-system supports mixed-case filenames.  If we're able to
 dnl create a lowercase name and see it as uppercase, it doesn't support that.
@@ -1984,11 +2000,11 @@ AC_DEFUN([CF_MIXEDCASE_FILENAMES],
 [
 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
 if test "$cross_compiling" = yes ; then
-       case $target_alias in #(vi
-       *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
+       case $target_alias in
+       (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
                cf_cv_mixedcase=no
                ;;
-       *)
+       (*)
                cf_cv_mixedcase=yes
                ;;
        esac
@@ -2066,10 +2082,11 @@ AC_DEFUN([CF_MSG_LOG],[
 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_ADDON version: 4 updated: 2011/03/27 17:10:13
+dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
 dnl ----------------
 dnl Configure an ncurses add-on, built outside the ncurses tree.
 AC_DEFUN([CF_NCURSES_ADDON],[
+AC_REQUIRE([CF_NCURSES_CONFIG])
 
 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
 
@@ -2080,42 +2097,55 @@ AC_ARG_ENABLE(widec,
        [with_widec=no])
 AC_MSG_RESULT($with_widec)
 if test "$with_widec" = yes ; then
-       CF_UTF8_LIB 
+       CF_UTF8_LIB
        CF_NCURSES_CONFIG(ncursesw)
 else
        CF_NCURSES_CONFIG(ncurses)
 fi
 
-if test "$NCURSES_CONFIG" != none ; then
+if test "$NCURSES_CONFIG_PKG" != none ; then
+       cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
+
+       NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
+       NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
+       NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
+
+       cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
+       if test -z "$cf_cv_abi_version"
+       then
+               cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
+       fi
+
+elif test "$NCURSES_CONFIG" != none ; then
 
-cf_version=`$NCURSES_CONFIG --version`
+       cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
 
-NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
-NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
-NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
+       NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
+       NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
+       NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
 
-# ABI version is not available from headers
-cf_cv_abi_version=`$NCURSES_CONFIG --abi-version`
+       # ABI version is not available from headers
+       cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
 
 else
 
-for cf_name in MAJOR MINOR PATCH
-do
-cat >conftest.$ac_ext <<CF_EOF
-#include <${cf_cv_ncurses_header:-curses.h}>
-AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
+       for cf_name in MAJOR MINOR PATCH
+       do
+       cat >conftest.$ac_ext <<CF_EOF
+       #include <${cf_cv_ncurses_header:-curses.h}>
+       AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
 CF_EOF
-       cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
-       AC_TRY_EVAL(cf_try)
-       if test -f conftest.out ; then
-               cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
-               eval NCURSES_$cf_name=\"$cf_result\"
-               # cat conftest.$ac_ext
-               # cat conftest.out
-       fi
-done
+               cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
+               AC_TRY_EVAL(cf_try)
+               if test -f conftest.out ; then
+                       cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[  ]][[    ]]*//"`
+                       eval NCURSES_$cf_name=\"$cf_result\"
+                       # cat conftest.$ac_ext
+                       # cat conftest.out
+               fi
+       done
 
-cf_cv_abi_version=${NCURSES_MAJOR}
+       cf_cv_abi_version=${NCURSES_MAJOR}
 
 fi
 
@@ -2175,46 +2205,96 @@ printf("old\n");
        ,[$1=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CONFIG version: 10 updated: 2012/10/06 08:57:51
+dnl CF_NCURSES_CONFIG version: 17 updated: 2015/07/07 04:22:07
 dnl -----------------
-dnl Tie together the configure-script macros for ncurses.
-dnl Prefer the "-config" script from ncurses 6.x, to simplify analysis.
-dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
+dnl Tie together the configure-script macros for ncurses, preferring these in
+dnl order:
+dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
+dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
+dnl c) just plain libraries
 dnl
 dnl $1 is the root library name (default: "ncurses")
-AC_DEFUN([CF_NCURSES_CONFIG],
-[
+AC_DEFUN([CF_NCURSES_CONFIG],[
+AC_REQUIRE([CF_PKG_CONFIG])
 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
+cf_have_ncuconfig=no
 
-echo "Looking for ${cf_ncuconfig_root}-config"
+if test "x${PKG_CONFIG:=none}" != xnone; then
+       AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
+       if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
+               AC_MSG_RESULT(yes)
 
-CF_ACVERSION_CHECK(2.52,
-       [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
-       [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
+               AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
+               cf_have_ncuconfig=unknown
 
-if test "$NCURSES_CONFIG" != none ; then
+               cf_save_CPPFLAGS="$CPPFLAGS"
+               cf_save_LIBS="$LIBS"
 
-CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
-CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
+               CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+               CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
+
+               AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
+                       [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
+                       [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
+                               int main(void)
+                               { char *xx = curses_version(); return (xx == 0); }],
+                               [cf_have_ncuconfig=yes],
+                               [cf_have_ncuconfig=no],
+                               [cf_have_ncuconfig=maybe])],
+                       [cf_have_ncuconfig=no])
+               AC_MSG_RESULT($cf_have_ncuconfig)
+               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
+                       AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
+                       NCURSES_CONFIG_PKG=$cf_ncuconfig_root
+               fi
 
-# even with config script, some packages use no-override for curses.h
-CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
+       else
+               AC_MSG_RESULT(no)
+               NCURSES_CONFIG_PKG=none
+       fi
+else
+       NCURSES_CONFIG_PKG=none
+fi
 
-dnl like CF_NCURSES_CPPFLAGS
-AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
+if test "x$cf_have_ncuconfig" = "xno"; then
+       echo "Looking for ${cf_ncuconfig_root}-config"
 
-dnl like CF_NCURSES_LIBS
-CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
-AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
+       CF_ACVERSION_CHECK(2.52,
+               [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
+               [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
 
-dnl like CF_NCURSES_VERSION
-cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+       if test "$NCURSES_CONFIG" != none ; then
 
-else
+               CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
+               CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
+
+               # even with config script, some packages use no-override for curses.h
+               CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
+
+               dnl like CF_NCURSES_CPPFLAGS
+               AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
+
+               dnl like CF_NCURSES_LIBS
+               CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
+               AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
+
+               dnl like CF_NCURSES_VERSION
+               cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
 
-CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
-CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
+       else
+
+               CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
+               CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
 
+       fi
+else
+       NCURSES_CONFIG=none
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -2269,7 +2349,7 @@ AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
 CF_NCURSES_VERSION
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_HEADER version: 3 updated: 2012/10/06 08:57:51
+dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
 dnl -----------------
 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 dnl variations of ncurses' installs.
@@ -2318,24 +2398,24 @@ fi
 
 # Set definitions to allow ifdef'ing for ncurses.h
 
-case $cf_cv_ncurses_header in # (vi
-*ncurses.h)
+case $cf_cv_ncurses_header in
+(*ncurses.h)
        AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
        ;;
 esac
 
-case $cf_cv_ncurses_header in # (vi
-ncurses/curses.h|ncurses/ncurses.h)
+case $cf_cv_ncurses_header in
+(ncurses/curses.h|ncurses/ncurses.h)
        AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
        ;;
-ncursesw/curses.h|ncursesw/ncurses.h)
+(ncursesw/curses.h|ncursesw/ncurses.h)
        AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
        ;;
 esac
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_LIBS version: 16 updated: 2010/11/20 17:02:38
+dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
 dnl ---------------
 dnl Look for the ncurses library.  This is a little complicated on Linux,
 dnl because it may be linked with the gpm (general purpose mouse) library.
@@ -2361,8 +2441,8 @@ AC_CHECK_LIB(gpm,Gpm_Open,
                [LIBS="$cf_ncurses_SAVE"],
                [cf_ncurses_LIBS="-lgpm"])])
 
-case $host_os in #(vi
-freebsd*)
+case $host_os in
+(freebsd*)
        # This is only necessary if you are linking against an obsolete
        # version of ncurses (but it should do no harm, since it's static).
        if test "$cf_nculib_root" = ncurses ; then
@@ -2465,27 +2545,27 @@ EOF
 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
+dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
 dnl -------------
 dnl Compute the object-directory name from the given model name
 AC_DEFUN([CF_OBJ_SUBDIR],
 [
        case $1 in
-       libtool) $2='obj_lo'  ;;
-       normal)  $2='objects' ;;
-       debug)   $2='obj_g' ;;
-       profile) $2='obj_p' ;;
-       shared)
-               case $cf_cv_system_name in #(vi
-               cygwin|msys) #(vi
+       (libtool) $2='obj_lo'  ;;
+       (normal)  $2='objects' ;;
+       (debug)   $2='obj_g' ;;
+       (profile) $2='obj_p' ;;
+       (shared)
+               case $cf_cv_system_name in
+               (cygwin|msys)
                        $2='objects' ;;
-               *)
+               (*)
                        $2='obj_s' ;;
                esac
        esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
+dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
 dnl ----------
 dnl Provide a value for the $PATH and similar separator (or amend the value
 dnl as provided in autoconf 2.5x).
@@ -2493,15 +2573,15 @@ AC_DEFUN([CF_PATHSEP],
 [
        AC_MSG_CHECKING(for PATH separator)
        case $cf_cv_system_name in
-       os2*)   PATH_SEPARATOR=';'  ;;
-       *)      ${PATH_SEPARATOR:=':'}  ;;
+       (os2*)  PATH_SEPARATOR=';'  ;;
+       (*)     ${PATH_SEPARATOR:=':'}  ;;
        esac
 ifelse([$1],,,[$1=$PATH_SEPARATOR])
        AC_SUBST(PATH_SEPARATOR)
        AC_MSG_RESULT($PATH_SEPARATOR)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
+dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
 dnl --------------
 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
 dnl begins with one of the prefix/exec_prefix variables, and then again if the
@@ -2509,36 +2589,36 @@ dnl result begins with 'NONE'.  This is necessary to work around autoconf's
 dnl delayed evaluation of those symbols.
 AC_DEFUN([CF_PATH_SYNTAX],[
 if test "x$prefix" != xNONE; then
-  cf_path_syntax="$prefix"
+       cf_path_syntax="$prefix"
 else
-  cf_path_syntax="$ac_default_prefix"
-fi
-
-case ".[$]$1" in #(vi
-.\[$]\(*\)*|.\'*\'*) #(vi
-  ;;
-..|./*|.\\*) #(vi
-  ;;
-.[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
-  ;;
-.\[$]{*prefix}*|.\[$]{*dir}*) #(vi
-  eval $1="[$]$1"
-  case ".[$]$1" in #(vi
-  .NONE/*)
-    $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
-    ;;
-  esac
-  ;; #(vi
-.no|.NONE/*)
-  $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
-  ;;
-*)
-  ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
-  ;;
+       cf_path_syntax="$ac_default_prefix"
+fi
+
+case ".[$]$1" in
+(.\[$]\(*\)*|.\'*\'*)
+       ;;
+(..|./*|.\\*)
+       ;;
+(.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
+       ;;
+(.\[$]{*prefix}*|.\[$]{*dir}*)
+       eval $1="[$]$1"
+       case ".[$]$1" in
+       (.NONE/*)
+               $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+               ;;
+       esac
+       ;;
+(.no|.NONE/*)
+       $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+       ;;
+(*)
+       ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+       ;;
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
+dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
 dnl -------------
 dnl Check for the package-config program, unless disabled by command-line.
 AC_DEFUN([CF_PKG_CONFIG],
@@ -2550,16 +2630,16 @@ AC_ARG_WITH(pkg-config,
        [cf_pkg_config=yes])
 AC_MSG_RESULT($cf_pkg_config)
 
-case $cf_pkg_config in #(vi
-no) #(vi
+case $cf_pkg_config in
+(no)
        PKG_CONFIG=none
        ;;
-yes) #(vi
+(yes)
        CF_ACVERSION_CHECK(2.52,
                [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
                [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
        ;;
-*)
+(*)
        PKG_CONFIG=$withval
        ;;
 esac
@@ -2567,12 +2647,14 @@ esac
 test -z "$PKG_CONFIG" && PKG_CONFIG=none
 if test "$PKG_CONFIG" != none ; then
        CF_PATH_SYNTAX(PKG_CONFIG)
+elif test "x$cf_pkg_config" != xno ; then
+       AC_MSG_WARN(pkg-config is not installed)
 fi
 
 AC_SUBST(PKG_CONFIG)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
+dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
 dnl -----------------
 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
 dnl
@@ -2604,15 +2686,15 @@ make an error
 #endif],
        [cf_cv_posix_c_source=no],
        [cf_want_posix_source=no
-        case .$cf_POSIX_C_SOURCE in #(vi
-        .[[12]]??*) #(vi
+        case .$cf_POSIX_C_SOURCE in
+        (.[[12]]??*)
                cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
                ;;
-        .2) #(vi
+        (.2)
                cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
                cf_want_posix_source=yes
                ;;
-        .*)
+        (.*)
                cf_want_posix_source=yes
                ;;
         esac
@@ -2713,36 +2795,36 @@ else
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
+dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
 dnl -------------
 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
 dnl This macro adds a check to ensure the script found something.
 AC_DEFUN([CF_PROG_EGREP],
 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
-   [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
-    then ac_cv_prog_egrep='grep -E'
-    else ac_cv_prog_egrep='egrep'
-    fi])
- EGREP=$ac_cv_prog_egrep
- AC_SUBST([EGREP])
-test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
+       [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
+               then ac_cv_prog_egrep='grep -E'
+               else ac_cv_prog_egrep='egrep'
+       fi])
      EGREP=$ac_cv_prog_egrep
      AC_SUBST([EGREP])
+       test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PROG_EXT version: 11 updated: 2012/10/06 08:57:51
+dnl CF_PROG_EXT version: 13 updated: 2015/04/18 09:03:58
 dnl -----------
 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
 AC_DEFUN([CF_PROG_EXT],
 [
 AC_REQUIRE([CF_CHECK_CACHE])
 case $cf_cv_system_name in
-os2*)
-    CFLAGS="$CFLAGS -Zmt"
-    CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
-    CXXFLAGS="$CXXFLAGS -Zmt"
-    # autoconf's macro sets -Zexe and suffix both, which conflict:w
-    LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
-    ac_cv_exeext=.exe
-    ;;
+(os2*)
+       CFLAGS="$CFLAGS -Zmt"
+       CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
+       CXXFLAGS="$CXXFLAGS -Zmt"
+       # autoconf's macro sets -Zexe and suffix both, which conflict:w
+       LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
+       ac_cv_exeext=.exe
+       ;;
 esac
 
 AC_EXEEXT
@@ -2753,25 +2835,25 @@ AC_SUBST(PROG_EXT)
 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
+dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
 dnl ------------
 dnl Check for gnatmake, ensure that it is complete.
 AC_DEFUN([CF_PROG_GNAT],[
 cf_ada_make=gnatmake
 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
 if test "$ac_cv_prog_gnat_exists" = no; then
-   cf_ada_make=
-   cf_cv_prog_gnat_correct=no
+       cf_ada_make=
+       cf_cv_prog_gnat_correct=no
 else
-   CF_GNAT_VERSION
-   AC_CHECK_PROG(M4_exists, m4, yes, no)
-   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
-      AC_MSG_CHECKING(if GNAT works)
-      CF_GNAT_TRY_RUN([procedure conftest;],
+       CF_GNAT_VERSION
+       AC_CHECK_PROG(M4_exists, m4, yes, no)
+       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
+               AC_MSG_CHECKING(if GNAT works)
+               CF_GNAT_TRY_RUN([procedure conftest;],
 [with Text_IO;
 with GNAT.OS_Lib;
 procedure conftest is
@@ -2780,8 +2862,8 @@ begin
    Text_IO.New_Line;
    GNAT.OS_Lib.OS_Exit (0);
 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
-      AC_MSG_RESULT($cf_cv_prog_gnat_correct)
-   fi
+               AC_MSG_RESULT($cf_cv_prog_gnat_correct)
+       fi
 fi
 
 AC_SUBST(cf_ada_make)
@@ -2839,7 +2921,7 @@ define([CF_REMOVE_LIB],
 $1=`echo "$2" | sed -e 's/-l$3[[       ]]//g' -e 's/-l$3[$]//'`
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
+dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59
 dnl --------------
 dnl --------------
 dnl Attempt to determine the appropriate CC/LD options for creating a shared
@@ -2888,15 +2970,16 @@ AC_DEFUN([CF_SHARED_OPTS],
        AC_ARG_WITH(shlib-version,
        [  --with-shlib-version=X  Specify rel or abi version for shared libs],
        [test -z "$withval" && withval=auto
-       case $withval in #(vi
-       yes) #(vi
+       case $withval in
+       (yes)
                cf_cv_shlib_version=auto
                ;;
-       rel|abi|auto|no) #(vi
+       (rel|abi|auto)
                cf_cv_shlib_version=$withval
                ;;
-       *)
-               AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
+       (*)
+               AC_MSG_RESULT($withval)
+               AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
                ;;
        esac
        ],[cf_cv_shlib_version=auto])
@@ -2922,30 +3005,30 @@ AC_DEFUN([CF_SHARED_OPTS],
 
        cf_cv_shlib_version_infix=no
 
-       case $cf_cv_system_name in #(vi
-       aix4.[3-9]*|aix[[5-7]]*) #(vi
+       case $cf_cv_system_name in
+       (aix4.[3-9]*|aix[[5-7]]*)
                if test "$GCC" = yes; then
-                       CC_SHARED_OPTS=
+                       CC_SHARED_OPTS='-Wl,-brtl'
                        MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
                else
-                       # CC_SHARED_OPTS='-qpic=large -G'
-                       # perhaps "-bM:SRE -bnoentry -bexpall"
+                       CC_SHARED_OPTS='-brtl'
+                       # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
                        MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
                fi
                ;;
-       beos*) #(vi
+       (beos*)
                MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
                ;;
-       cygwin*) #(vi
+       (cygwin*)
                CC_SHARED_OPTS=
-               MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
+               MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
                RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
                cf_cv_shlib_version=cygdll
                cf_cv_shlib_version_infix=cygdll
                shlibdir=$bindir
                MAKE_DLLS=
                cat >mk_shared_lib.sh <<-CF_EOF
-               #!/bin/sh
+               #!$SHELL
                SHARED_LIB=\[$]1
                IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
                shift
@@ -2958,16 +3041,16 @@ EOF
 CF_EOF
                chmod +x mk_shared_lib.sh
                ;;
-       msys*) #(vi
+       (msys*)
                CC_SHARED_OPTS=
-               MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
+               MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
                RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
                cf_cv_shlib_version=msysdll
                cf_cv_shlib_version_infix=msysdll
                shlibdir=$bindir
                MAKE_DLLS=
                cat >mk_shared_lib.sh <<-CF_EOF
-               #!/bin/sh
+               #!$SHELL
                SHARED_LIB=\[$]1
                IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
                shift
@@ -2980,7 +3063,7 @@ EOF
 CF_EOF
                chmod +x mk_shared_lib.sh
                ;;
-       darwin*) #(vi
+       (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 $[@]'
@@ -2995,15 +3078,15 @@ CF_EOF
                        LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
                fi
                ;;
-       hpux[[7-8]]*) #(vi
-               # HP-UX 8.07 ld lacks "+b" option used for libdir search-list 
+       (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 $[@]'
                INSTALL_LIB="-m 555"
                ;;
-       hpux*) #(vi
+       (hpux*)
                # (tested with gcc 2.7.2 -- I don't have c89)
                if test "$GCC" = yes; then
                        LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
@@ -3016,7 +3099,7 @@ CF_EOF
                # readonly to exploit a quirk in the memory manager.
                INSTALL_LIB="-m 555"
                ;;
-       interix*)
+       (interix*)
                test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
                if test "$cf_cv_shlib_version" = rel; then
                        cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
@@ -3026,7 +3109,7 @@ CF_EOF
                CC_SHARED_OPTS=
                MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
                ;;
-       irix*) #(vi
+       (irix*)
                if test "$cf_cv_enable_rpath" = yes ; then
                        EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
                fi
@@ -3039,7 +3122,7 @@ CF_EOF
                fi
                cf_cv_rm_so_locs=yes
                ;;
-       linux*|gnu*|k*bsd*-gnu) #(vi
+       (linux*|gnu*|k*bsd*-gnu)
                if test "$DFT_LWR_MODEL" = "shared" ; then
                        LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
                        LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
@@ -3050,7 +3133,7 @@ CF_EOF
                CF_SHARED_SONAME
                MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
                ;;
-       mingw*) #(vi
+       (mingw*)
                cf_cv_shlib_version=mingw
                cf_cv_shlib_version_infix=mingw
                shlibdir=$bindir
@@ -3061,10 +3144,10 @@ CF_EOF
                        EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
                fi
                CC_SHARED_OPTS=
-               MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
+               MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
                RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
                cat >mk_shared_lib.sh <<-CF_EOF
-               #!/bin/sh
+               #!$SHELL
                SHARED_LIB=\[$]1
                IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
                shift
@@ -3077,7 +3160,7 @@ EOF
 CF_EOF
                chmod +x mk_shared_lib.sh
                ;;
-       openbsd[[2-9]].*|mirbsd*) #(vi
+       (openbsd[[2-9]].*|mirbsd*)
                if test "$DFT_LWR_MODEL" = "shared" ; then
                        LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
                        LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
@@ -3089,12 +3172,12 @@ CF_EOF
                CF_SHARED_SONAME
                MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
                ;;
-       nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
+       (nto-qnx*|openbsd*|freebsd[[12]].*)
                CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
                MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
                test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
                ;;
-       dragonfly*|freebsd*) #(vi
+       (dragonfly*|freebsd*)
                CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
                if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
                        LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
@@ -3102,9 +3185,9 @@ CF_EOF
                        EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
                fi
                CF_SHARED_SONAME
-               MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
+               MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
                ;;
-       netbsd*) #(vi
+       (netbsd*)
                CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
                if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
                        LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
@@ -3123,13 +3206,13 @@ CF_EOF
                        MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
                fi
                ;;
-       osf*|mls+*) #(vi
+       (osf*|mls+*)
                # tested with OSF/1 V3.2 and 'cc'
                # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
                # link with shared libs).
                MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
-               case $host_os in #(vi
-               osf4*)
+               case $host_os in
+               (osf4*)
                        MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
                        ;;
                esac
@@ -3140,7 +3223,7 @@ CF_EOF
                fi
                cf_cv_rm_so_locs=yes
                ;;
-       sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
+       (sco3.2v5*)  # also uw2* and UW7: hops 13-Apr-98
                # tested with osr5.0.5
                if test "$GCC" != yes; then
                        CC_SHARED_OPTS='-belf -KPIC'
@@ -3154,7 +3237,7 @@ CF_EOF
                LINK_PROGS='LD_RUN_PATH=${libdir}'
                LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
                ;;
-       sunos4*) #(vi
+       (sunos4*)
                # tested with SunOS 4.1.1 and gcc 2.7.0
                if test "$GCC" != yes; then
                        CC_SHARED_OPTS='-KPIC'
@@ -3162,7 +3245,7 @@ CF_EOF
                MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
                test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
                ;;
-       solaris2*) #(vi
+       (solaris2*)
                # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
                # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
                if test "$DFT_LWR_MODEL" = "shared" ; then
@@ -3187,27 +3270,27 @@ CF_EOF
                        MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
                fi
                ;;
-       sysv5uw7*|unix_sv*) #(vi
+       (sysv5uw7*|unix_sv*)
                # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
                if test "$GCC" != yes; then
                        CC_SHARED_OPTS='-KPIC'
                fi
                MK_SHARED_LIB='${LD} -d y -G -o [$]@'
                ;;
-       *)
+       (*)
                CC_SHARED_OPTS='unknown'
                MK_SHARED_LIB='echo unknown'
                ;;
        esac
 
        # This works if the last tokens in $MK_SHARED_LIB are the -o target.
-       case "$cf_cv_shlib_version" in #(vi
-       rel|abi)
-               case "$MK_SHARED_LIB" in #(vi
-               *'-o $[@]') #(vi
+       case "$cf_cv_shlib_version" in
+       (rel|abi)
+               case "$MK_SHARED_LIB" in
+               (*'-o $[@]')
                        test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
                        ;;
-               *)
+               (*)
                        AC_MSG_WARN(ignored --with-shlib-version)
                        ;;
                esac
@@ -3291,7 +3374,7 @@ dnl       Remove "-g" option from the compiler options
 AC_DEFUN([CF_STRIP_G_OPT],
 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
+dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
 dnl --------------
 dnl Construct a search-list for a nonstandard header/lib-file
 dnl    $1 = the variable to return as result
@@ -3301,25 +3384,32 @@ AC_DEFUN([CF_SUBDIR_PATH],
 [
 $1=
 
-CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
-CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
-CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
-CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
+
+for cf_subdir_prefix in \
+       /usr \
+       /usr/local \
+       /usr/pkg \
+       /opt \
+       /opt/local \
+       [$]HOME
+do
+       CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
+done
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_TERM_HEADER version: 3 updated: 2012/10/06 08:57:51
+dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
 dnl --------------
 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
 dnl but some packagers change this, breaking various applications.
 AC_DEFUN([CF_TERM_HEADER],[
 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
-case ${cf_cv_ncurses_header} in #(vi
-*/ncurses.h|*/ncursesw.h) #(vi
+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
@@ -3339,17 +3429,17 @@ done
 
 # Set definitions to allow ifdef'ing to accommodate subdirectories
 
-case $cf_cv_term_header in # (vi
-*term.h)
+case $cf_cv_term_header in
+(*term.h)
        AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
        ;;
 esac
 
-case $cf_cv_term_header in # (vi
-ncurses/term.h) #(vi
+case $cf_cv_term_header in
+(ncurses/term.h)
        AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
        ;;
-ncursesw/term.h)
+(ncursesw/term.h)
        AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
        ;;
 esac
@@ -3612,64 +3702,102 @@ eval $3="$withval"
 AC_SUBST($3)dnl
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
+dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
 dnl -------------------------
 dnl Allow the choice of the pkg-config library directory to be overridden.
 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
-if test "$PKG_CONFIG" != none ; then
+
+case $PKG_CONFIG in
+(no|none|yes)
+       AC_MSG_CHECKING(for pkg-config library directory)
+       ;;
+(*)
        AC_MSG_CHECKING(for $PKG_CONFIG library directory)
-       AC_ARG_WITH(pkg-config-libdir,
-               [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
-               [PKG_CONFIG_LIBDIR=$withval],
-               [PKG_CONFIG_LIBDIR=yes])
+       ;;
+esac
 
-       case x$PKG_CONFIG_LIBDIR in #(vi
-       x/*) #(vi
-               ;;
-       xyes) #(vi
-               # look for the library directory using the same prefix as the executable
+PKG_CONFIG_LIBDIR=no
+AC_ARG_WITH(pkg-config-libdir,
+       [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
+       [PKG_CONFIG_LIBDIR=$withval],
+       [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
+
+case x$PKG_CONFIG_LIBDIR in
+(x/*)
+       ;;
+(xyes)
+       # Look for the library directory using the same prefix as the executable
+       if test "x$PKG_CONFIG" = xnone
+       then
+               cf_path=$prefix
+       else
                cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
-               case x`(arch) 2>/dev/null` in #(vi
-               *64) #(vi
-                       for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
-                       do
-                               if test -d $cf_config/pkgconfig
-                               then
-                                       PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
-                                       break
-                               fi
-                       done
-                       ;;
-               *)
-                       PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
-                       ;;
-               esac
+       fi
+
+       # If you don't like using the default architecture, you have to specify the
+       # intended library directory and corresponding compiler/linker options.
+       #
+       # This case allows for Debian's 2014-flavor of multiarch, along with the
+       # most common variations before that point.  Some other variants spell the
+       # directory differently, e.g., "pkg-config", and put it in unusual places.
+       # pkg-config has always been poorly standardized, which is ironic...
+       case x`(arch) 2>/dev/null` in
+       (*64)
+               cf_search_path="\
+                       $cf_path/lib/*64-linux-gnu \
+                       $cf_path/share \
+                       $cf_path/lib64 \
+                       $cf_path/lib32 \
+                       $cf_path/lib"
                ;;
-       *)
+       (*)
+               cf_search_path="\
+                       $cf_path/lib/*-linux-gnu \
+                       $cf_path/share \
+                       $cf_path/lib32 \
+                       $cf_path/lib \
+                       $cf_path/libdata"
                ;;
        esac
 
+       CF_VERBOSE(list...)
+       for cf_config in $cf_search_path
+       do
+               CF_VERBOSE(checking $cf_config/pkgconfig)
+               if test -d $cf_config/pkgconfig
+               then
+                       PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
+                       AC_MSG_CHECKING(done)
+                       break
+               fi
+       done
+       ;;
+(*)
+       ;;
+esac
+
+if test "x$PKG_CONFIG_LIBDIR" != xno ; then
        AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
 fi
 
 AC_SUBST(PKG_CONFIG_LIBDIR)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
+dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
 dnl ---------------
 dnl Check for POSIX thread library.
 AC_DEFUN([CF_WITH_PTHREAD],
 [
 AC_MSG_CHECKING(if you want to link with the pthread library)
 AC_ARG_WITH(pthread,
-    [  --with-pthread          use POSIX thread library],
-    [with_pthread=$withval],
-    [with_pthread=no])
+       [  --with-pthread          use POSIX thread library],
+       [with_pthread=$withval],
+       [with_pthread=no])
 AC_MSG_RESULT($with_pthread)
 
 if test "$with_pthread" != no ; then
-    AC_CHECK_HEADER(pthread.h,[
-        AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
+       AC_CHECK_HEADER(pthread.h,[
+       AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
 
        for cf_lib_pthread in pthread c_r
        do
@@ -3693,7 +3821,7 @@ if test "$with_pthread" != no ; then
        else
            AC_MSG_ERROR(Cannot link with pthread library)
        fi
-    ])
+       ])
 fi
 ])
 dnl ---------------------------------------------------------------------------
@@ -3717,7 +3845,7 @@ AC_ARG_WITH(system-type,
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 47 updated: 2014/07/23 17:11:49
+dnl CF_XOPEN_SOURCE version: 49 updated: 2015/04/12 15:39:00
 dnl ---------------
 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
 dnl or adapt to the vendor's definitions to get equivalent functionality,
@@ -3733,21 +3861,21 @@ cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
 cf_xopen_source=
 
-case $host_os in #(vi
-aix[[4-7]]*) #(vi
+case $host_os in
+(aix[[4-7]]*)
        cf_xopen_source="-D_ALL_SOURCE"
        ;;
-cygwin|msys) #(vi
+(cygwin|msys)
        cf_XOPEN_SOURCE=600
        ;;
-darwin[[0-8]].*) #(vi
+(darwin[[0-8]].*)
        cf_xopen_source="-D_APPLE_C_SOURCE"
        ;;
-darwin*) #(vi
+(darwin*)
        cf_xopen_source="-D_DARWIN_C_SOURCE"
        cf_XOPEN_SOURCE=
        ;;
-freebsd*|dragonfly*) #(vi
+(freebsd*|dragonfly*)
        # 5.x headers associate
        #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
        #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
@@ -3755,52 +3883,56 @@ freebsd*|dragonfly*) #(vi
        cf_XOPEN_SOURCE=600
        cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
        ;;
-hpux11*) #(vi
+(hpux11*)
        cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
        ;;
-hpux*) #(vi
+(hpux*)
        cf_xopen_source="-D_HPUX_SOURCE"
        ;;
-irix[[56]].*) #(vi
+(irix[[56]].*)
        cf_xopen_source="-D_SGI_SOURCE"
        cf_XOPEN_SOURCE=
        ;;
-linux*|gnu*|mint*|k*bsd*-gnu) #(vi
+(linux*|gnu*|mint*|k*bsd*-gnu)
        CF_GNU_SOURCE
        ;;
-minix*) #(vi
+(minix*)
        cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
        ;;
-mirbsd*) #(vi
+(mirbsd*)
        # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
        cf_XOPEN_SOURCE=
        CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
        ;;
-netbsd*) #(vi
+(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]]*) #(vi
+(openbsd[[4-9]]*)
        # 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
        ;;
-openbsd*) #(vi
+(openbsd*)
        # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
        ;;
-osf[[45]]*) #(vi
+(osf[[45]]*)
        cf_xopen_source="-D_OSF_SOURCE"
        ;;
-nto-qnx*) #(vi
+(nto-qnx*)
        cf_xopen_source="-D_QNX_SOURCE"
        ;;
-sco*) #(vi
+(sco*)
        # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
        ;;
-solaris2.*) #(vi
+(solaris2.*)
        cf_xopen_source="-D__EXTENSIONS__"
        cf_cv_xopen_source=broken
        ;;
-*)
+(sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
+       cf_XOPEN_SOURCE=
+       cf_POSIX_C_SOURCE=
+       ;;
+(*)
        CF_TRY_XOPEN_SOURCE
        CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
        ;;