]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - aclocal.m4
ncurses 5.8 - patch 20110305
[ncurses.git] / aclocal.m4
index 95a0ba46449bcb84c60d85522c6e104ef4830b73..06a636a7a9b6d5b5b02e42de59dd7323538d7f46 100644 (file)
@@ -1,5 +1,5 @@
 dnl***************************************************************************
-dnl Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+dnl Copyright (c) 1998-2010,2011 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 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.499 2010/03/28 00:14:25 tom Exp $
+dnl $Id: aclocal.m4,v 1.549 2011/02/21 01:40:21 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -86,7 +86,15 @@ fi
 AC_SUBST(ACPPFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_CFLAGS version: 9 updated: 2010/01/09 11:05:50
+dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
+dnl ---------------
+dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
+AC_DEFUN([CF_ADD_ADAFLAGS],[
+       ADAFLAGS="$ADAFLAGS $1"
+       AC_SUBST(ADAFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
 dnl -------------
 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 dnl The second parameter if given makes this macro verbose.
@@ -156,17 +164,17 @@ esac
 done
 
 if test -n "$cf_new_cflags" ; then
-       ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
+       ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
        CFLAGS="$CFLAGS $cf_new_cflags"
 fi
 
 if test -n "$cf_new_cppflags" ; then
-       ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
+       ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
        CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
-       ifelse($2,,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
+       ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
        EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 fi
 
@@ -174,7 +182,7 @@ AC_SUBST(EXTRA_CPPFLAGS)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 12 updated: 2009/01/18 10:00:47
+dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
 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,
@@ -217,7 +225,7 @@ if test -n "$1" ; then
 
                if test "$cf_have_incdir" = no ; then
                  CF_VERBOSE(adding $cf_add_incdir to include-path)
-                 ifelse($2,,CPPFLAGS,$2)="$ifelse($2,,CPPFLAGS,$2) -I$cf_add_incdir"
+                 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 
                  cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
                  test "$cf_top_incdir" = "$cf_add_incdir" && break
@@ -231,7 +239,15 @@ if test -n "$1" ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_LIBDIR version: 8 updated: 2009/01/18 10:01:08
+dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
+dnl ----------
+dnl Add a library, used to enforce consistency.
+dnl
+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 -------------
 dnl    Adds to the library-path
 dnl
@@ -260,14 +276,22 @@ if test -n "$1" ; then
       fi
       if test "$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)"
+        ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
       fi
     fi
   done
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_SUBDIR_PATH version: 2 updated: 2007/07/29 10:12:59
+dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
+dnl -----------
+dnl Add one or more libraries, used to enforce consistency.
+dnl
+dnl $1 = libraries to add, with the "-l", etc.
+dnl $2 = variable to update (default $LIBS)
+AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
 dnl ------------------
 dnl Append to a search-list for a nonstandard header/lib-file
 dnl    $1 = the variable to return as result
@@ -279,7 +303,7 @@ AC_DEFUN([CF_ADD_SUBDIR_PATH],
 [
 test "$4" != "$5" && \
 test -d "$4" && \
-ifelse([$5],NONE,,[(test $5 = NONE || test -d $5) &&]) {
+ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
        test -n "$verbose" && echo "    ... testing for $3-directories under $4"
        test -d $4/$3 &&          $1="[$]$1 $4/$3"
        test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
@@ -289,13 +313,13 @@ ifelse([$5],NONE,,[(test $5 = NONE || test -d $5) &&]) {
 }
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ANSI_CC_CHECK version: 9 updated: 2001/12/30 17:53:34
+dnl CF_ANSI_CC_CHECK version: 10 updated: 2010/10/23 15:52:32
 dnl ----------------
 dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
 dnl in the sharutils 4.2 distribution.
 AC_DEFUN([CF_ANSI_CC_CHECK],
 [
-AC_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, cf_cv_ansi_cc,[
+AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
 cf_cv_ansi_cc=no
 cf_save_CFLAGS="$CFLAGS"
 cf_save_CPPFLAGS="$CPPFLAGS"
@@ -359,7 +383,36 @@ You have the following choices:
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_AR_FLAGS version: 4 updated: 2009/02/07 13:42:23
+dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
+dnl --------------
+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 -------------
+dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
+dnl values.
+dnl
+dnl Parameters:
+dnl $1 = option name
+dnl $2 = help-string
+dnl $3 = action to perform if option is not default
+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
+ifelse([$3],,[    :]dnl
+,[    $3]) ifelse([$4],,,[
+  else
+    $4])
+  fi],[enableval=$5 ifelse([$4],,,[
+  $4
+])dnl
+  ])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 dnl -----------
 dnl Check for suitable "ar" (archiver) options for updating an archive.
 AC_DEFUN([CF_AR_FLAGS],[
@@ -369,6 +422,16 @@ AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
        cf_cv_ar_flags=unknown
        for cf_ar_flags in -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" != "$cf_check_ar_flags" ; then
+                               cf_cv_ar_flags=
+                               break
+                       fi
+               fi
+
                rm -f conftest.$ac_cv_objext
                rm -f conftest.a
 
@@ -377,7 +440,8 @@ AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 int    testdata[[3]] = { 123, 456, 789 };
 EOF
                if AC_TRY_EVAL(ac_compile) ; then
-                       $AR $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
+                       echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
+                       $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
                        if test -f conftest.a ; then
                                cf_cv_ar_flags=$cf_ar_flags
                                break
@@ -389,8 +453,16 @@ EOF
        done
        rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 ])
-test -z "$ARFLAGS" && ARFLAGS=$cf_cv_ar_flags
-AC_SUBST(ARFLAGS,$cf_cv_ar_flags)
+
+if test -n "$ARFLAGS" ; then
+       if test -n "$cf_cv_ar_flags" ; then
+               ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
+       fi
+else
+       ARFLAGS=$cf_cv_ar_flags
+fi
+
+AC_SUBST(ARFLAGS)
 ])
 dnl ---------------------------------------------------------------------------
 dnl CF_AWK_BIG_PRINTF version: 3 updated: 2008/12/27 12:30:03
@@ -735,7 +807,7 @@ if test ".$system_name" != ".$cf_cv_system_name" ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_ERRNO version: 10 updated: 2008/08/22 16:33:22
+dnl CF_CHECK_ERRNO version: 11 updated: 2010/05/26 05:38:42
 dnl --------------
 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
@@ -753,7 +825,7 @@ AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
 #include <stdio.h>
 #include <sys/types.h>
 #include <errno.h> ],
-    ifelse($2,,int,$2) x = (ifelse($2,,int,$2)) $1,
+    ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
     [cf_cv_dcl_$1=yes],
     [cf_cv_dcl_$1=no])
 ])
@@ -764,7 +836,7 @@ if test "$cf_cv_dcl_$1" = no ; then
 fi
 
 # It's possible (for near-UNIX clones) that the data doesn't exist
-CF_CHECK_EXTERN_DATA($1,ifelse($2,,int,$2))
+CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
@@ -792,7 +864,7 @@ fi
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_GPM_WGETCH version: 1 updated: 2007/04/28 14:38:06
+dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
 dnl -------------------
 dnl Check if GPM is already linked with curses.  If so - and if the linkage
 dnl is not "weak" - warn about this because it can create problems linking
@@ -826,7 +898,7 @@ CF_EOF
                        test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
                fi
        fi
-       rm -f conftest*
+       rm -rf conftest*
        LIBS="$cf_save_LIBS"
 fi
 ])
@@ -927,7 +999,7 @@ fi
 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_C_INLINE version: 2 updated: 2007/08/11 14:09:50
+dnl CF_C_INLINE version: 3 updated: 2010/05/01 15:14:41
 dnl -----------
 dnl Check if the C compiler supports "inline".
 dnl $1 is the name of a shell variable to set if inline is supported
@@ -942,7 +1014,7 @@ if test "$ac_cv_c_inline" != no ; then
     :
   elif test "$GCC" = yes
   then
-    AC_CACHE_CHECK(if gcc supports options to tune inlining,cf_cv_gcc_inline,[
+    AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
       cf_save_CFLAGS=$CFLAGS
       CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
       AC_TRY_COMPILE([inline int foo(void) { return 1; }],
@@ -985,7 +1057,7 @@ done
 AC_SUBST(DIRS_TO_MAKE)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_DISABLE_LEAKS version: 5 updated: 2010/03/13 15:14:55
+dnl CF_DISABLE_LEAKS version: 6 updated: 2010/07/23 04:14:32
 dnl ----------------
 dnl Combine no-leak checks with the libraries or tools that are used for the
 dnl checks.
@@ -1004,9 +1076,53 @@ AC_MSG_RESULT($with_no_leaks)
 
 if test "$with_no_leaks" = yes ; then
        AC_DEFINE(NO_LEAKS)
+       AC_DEFINE(YY_NO_LEAKS)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
+dnl --------------------------
+dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
+dnl the older "-version-info" feature.  The newer feature allows us to use
+dnl version numbering on shared libraries which make them compatible with
+dnl various systems.
+AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
+[
+AC_MSG_CHECKING(if libtool -version-number should be used)
+CF_ARG_DISABLE(libtool-version,
+       [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
+       [cf_libtool_version=no],
+       [cf_libtool_version=yes])
+AC_MSG_RESULT($cf_libtool_version)
+
+if test "$cf_libtool_version" = yes ; then
+       LIBTOOL_VERSION="-version-number"
+else
+       LIBTOOL_VERSION="-version-info"
 fi
+
+AC_SUBST(LIBTOOL_VERSION)
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
+dnl ---------------------
+dnl The rpath-hack makes it simpler to build programs, particularly with the
+dnl *BSD ports which may have essential libraries in unusual places.  But it
+dnl can interfere with building an executable for the base system.  Use this
+dnl option in that case.
+AC_DEFUN([CF_DISABLE_RPATH_HACK],
+[
+AC_MSG_CHECKING(if rpath-hack should be disabled)
+CF_ARG_DISABLE(rpath-hack,
+       [  --disable-rpath-hack    don't add rpath options for additional libraries],
+       [cf_disable_rpath_hack=yes],
+       [cf_disable_rpath_hack=no])
+AC_MSG_RESULT($cf_disable_rpath_hack)
+if test "$cf_disable_rpath_hack" = no ; then
+       CF_RPATH_HACK
+fi
+])
+dnl ---------------------------------------------------------------------------
 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
 dnl ---------------
 dnl Check if the rpath option should be used, setting cache variable
@@ -1059,7 +1175,7 @@ AC_MSG_RESULT($cf_result)
 CXXFLAGS="$cf_save_CXXFLAGS"
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LINKAGE version: 14 updated: 2010/03/21 14:34:38
+dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
 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.
@@ -1088,17 +1204,23 @@ cf_cv_library_path_$3=
 
 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
 
+cf_save_LIBS="$LIBS"
+
 AC_TRY_LINK([$1],[$2],[
        cf_cv_find_linkage_$3=yes
+       cf_cv_header_path_$3=/usr/include
+       cf_cv_library_path_$3=/usr/lib
 ],[
 
-cf_save_LIBS="$LIBS"
 LIBS="-l$3 $7 $cf_save_LIBS"
 
 AC_TRY_LINK([$1],[$2],[
        cf_cv_find_linkage_$3=yes
+       cf_cv_header_path_$3=/usr/include
+       cf_cv_library_path_$3=/usr/lib
+       cf_cv_library_file_$3="-l$3"
 ],[
-    cf_cv_find_linkage_$3=no
+       cf_cv_find_linkage_$3=no
        LIBS="$cf_save_LIBS"
 
     CF_VERBOSE(find linkage for $3 library)
@@ -1160,7 +1282,6 @@ AC_TRY_LINK([$1],[$2],[
                 ])
           fi
         done
-        LIBS="$cf_save_LIBS"
         CPPFLAGS="$cf_save_CPPFLAGS"
         LDFLAGS="$cf_save_LDFLAGS"
       fi
@@ -1171,18 +1292,20 @@ AC_TRY_LINK([$1],[$2],[
     ],$7)
 ])
 
+LIBS="$cf_save_LIBS"
+
 if test "$cf_cv_find_linkage_$3" = yes ; then
 ifelse([$4],,[
-  CF_ADD_INCDIR($cf_cv_header_path_$3)
-  CF_ADD_LIBDIR($cf_cv_library_path_$3)
-  LIBS="-l$3 $LIBS"
+       CF_ADD_INCDIR($cf_cv_header_path_$3)
+       CF_ADD_LIBDIR($cf_cv_library_path_$3)
+       CF_ADD_LIB($3)
 ],[$4])
 else
 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_DLSYM version: 1 updated: 2004/06/16 20:52:45
+dnl CF_FUNC_DLSYM version: 2 updated: 2010/05/29 16:31:02
 dnl -------------
 dnl Test for dlsym() and related functions, as well as libdl.
 dnl
@@ -1199,7 +1322,7 @@ AC_CHECK_LIB(dl,dlsym,[
        cf_have_libdl=yes])])
 
 if test "$cf_have_dlsym" = yes ; then
-       test "$cf_have_libdl" = yes && LIBS="-ldl $LIBS"
+       test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
 
        AC_MSG_CHECKING(whether able to link to dl*() functions)
        AC_TRY_LINK([#include <dlfcn.h>],[
@@ -1282,7 +1405,7 @@ int main() {
 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP)
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_OPENPTY version: 2 updated: 2008/04/12 19:49:01
+dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
 dnl ---------------
 dnl Check for openpty() function, along with <pty.h> header.  It may need the
 dnl "util" library as well.
@@ -1291,7 +1414,7 @@ AC_DEFUN([CF_FUNC_OPENPTY],
 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
     cf_save_LIBS="$LIBS"
-    test $cf_cv_lib_util = yes && LIBS="-lutil $LIBS"
+    test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
     for cf_header in pty.h libutil.h util.h
     do
     AC_TRY_LINK([
@@ -1413,7 +1536,7 @@ esac
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 13 updated: 2009/08/11 20:19:56
+dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
 dnl -----------------
 dnl Test for availability of useful gcc __attribute__ directives to quiet
 dnl compiler warnings.  Though useful, not all are supported -- and contrary
@@ -1440,7 +1563,7 @@ if test "$GCC" = yes
 then
        AC_CHECKING([for $CC __attribute__ directives])
 cat > conftest.$ac_ext <<EOF
-#line __oline__ "${as_me-configure}"
+#line __oline__ "${as_me:-configure}"
 #include "confdefs.h"
 #include "conftest.h"
 #include "conftest.i"
@@ -1523,7 +1646,7 @@ rm -rf conftest*
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_VERSION version: 4 updated: 2005/08/27 09:53:42
+dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
 dnl --------------
 dnl Find version of gcc
 AC_DEFUN([CF_GCC_VERSION],[
@@ -1531,13 +1654,13 @@ AC_REQUIRE([AC_PROG_CC])
 GCC_VERSION=none
 if test "$GCC" = yes ; then
        AC_MSG_CHECKING(version of $CC)
-       GCC_VERSION="`${CC} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+       GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
        test -z "$GCC_VERSION" && GCC_VERSION=unknown
        AC_MSG_RESULT($GCC_VERSION)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 24 updated: 2009/02/01 15:21:00
+dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
 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:
@@ -1562,7 +1685,7 @@ AC_REQUIRE([CF_GCC_VERSION])
 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
 
 cat > conftest.$ac_ext <<EOF
-#line __oline__ "${as_me-configure}"
+#line __oline__ "${as_me:-configure}"
 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
 EOF
 
@@ -1605,10 +1728,10 @@ elif test "$GCC" = yes
 then
        AC_CHECKING([for $CC warning options])
        cf_save_CFLAGS="$CFLAGS"
-       EXTRA_CFLAGS="-W -Wall"
+       EXTRA_CFLAGS=
        cf_warn_CONST=""
        test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
-       for cf_opt in \
+       for cf_opt in W Wall \
                Wbad-function-cast \
                Wcast-align \
                Wcast-qual \
@@ -1641,12 +1764,104 @@ then
        done
        CFLAGS="$cf_save_CFLAGS"
 fi
-rm -f conftest*
+rm -rf conftest*
 
 AC_SUBST(EXTRA_CFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_TRY_LINK version: 1 updated: 2004/08/21 19:02:08
+dnl CF_GNAT_GENERICS version: 1 updated: 2010/11/13 14:15:18
+dnl ----------------
+AC_DEFUN([CF_GNAT_GENERICS],
+[
+AC_MSG_CHECKING(if GNAT supports generics)
+case $cf_gnat_version in #(vi
+3.[[1-9]]*|[[4-9]].*) #(vi
+       cf_gnat_generics=yes
+       ;;
+*)
+       cf_gnat_generics=no
+       ;;
+esac
+AC_MSG_RESULT($cf_gnat_generics)
+
+if test "$cf_gnat_generics" = yes
+then
+       cf_compile_generics=generics
+       cf_generic_objects="\${GENOBJS}"
+else
+       cf_compile_generics=
+       cf_generic_objects=
+fi
+
+AC_SUBST(cf_compile_generics)
+AC_SUBST(cf_generic_objects)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
+dnl --------------------
+dnl Check if the gnat pragma "Unreferenced" works.
+AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
+AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
+CF_GNAT_TRY_LINK([procedure conftest;],
+[with Text_IO;
+with GNAT.OS_Lib;
+procedure conftest is
+   test : Integer;
+   pragma Unreferenced (test);
+begin
+   test := 1;
+   Text_IO.Put ("Hello World");
+   Text_IO.New_Line;
+   GNAT.OS_Lib.OS_Exit (0);
+end conftest;],
+       [cf_cv_pragma_unreferenced=yes],
+       [cf_cv_pragma_unreferenced=no])])
+
+# if the pragma is supported, use it (needed in the Trace code).
+if test $cf_cv_pragma_unreferenced = yes ; then
+       PRAGMA_UNREF=TRUE
+else
+       PRAGMA_UNREF=FALSE
+fi
+AC_SUBST(PRAGMA_UNREF)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNAT_PROJECTS version: 1 updated: 2010/11/13 14:15:18
+dnl ----------------
+AC_DEFUN([CF_GNAT_PROJECTS],
+[
+AC_MSG_CHECKING(if GNAT supports project files)
+case $cf_gnat_version in #(vi
+3.[[0-9]]*) #(vi
+       cf_gnat_projects=no
+       ;;
+*)
+       case $cf_cv_system_name in #(vi
+       cygwin*) #(vi
+               cf_gnat_projects=no
+               ;;
+       *)
+               cf_gnat_projects=yes
+               ;;
+       esac
+       ;;
+esac
+AC_MSG_RESULT($cf_gnat_projects)
+
+if test "$cf_gnat_projects" = yes
+then
+       USE_OLD_MAKERULES="#"
+       USE_GNAT_PROJECTS=""
+else
+       USE_OLD_MAKERULES=""
+       USE_GNAT_PROJECTS="#"
+fi
+
+AC_SUBST(USE_OLD_MAKERULES)
+AC_SUBST(USE_GNAT_PROJECTS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNAT_TRY_LINK version: 2 updated: 2010/08/14 18:25:37
 dnl ----------------
 dnl Verify that a test program compiles/links with GNAT.
 dnl $cf_ada_make is set to the program that compiles/links
@@ -1658,7 +1873,7 @@ dnl $3 is the shell command to execute if successful
 dnl $4 is the shell command to execute if not successful
 AC_DEFUN([CF_GNAT_TRY_LINK],
 [
-rm -f conftest*
+rm -rf conftest*
 cat >>conftest.ads <<CF_EOF
 $1
 CF_EOF
@@ -1670,10 +1885,10 @@ ifelse($3,,      :,[      $3])
 ifelse($4,,,[else
    $4])
 fi
-rm -f conftest*
+rm -rf conftest*
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_TRY_RUN version: 3 updated: 2004/08/21 19:02:08
+dnl CF_GNAT_TRY_RUN version: 4 updated: 2010/08/14 18:25:37
 dnl ---------------
 dnl Verify that a test program compiles and runs with GNAT
 dnl $cf_ada_make is set to the program that compiles/links
@@ -1685,7 +1900,7 @@ dnl $3 is the shell command to execute if successful
 dnl $4 is the shell command to execute if not successful
 AC_DEFUN([CF_GNAT_TRY_RUN],
 [
-rm -f conftest*
+rm -rf conftest*
 cat >>conftest.ads <<CF_EOF
 $1
 CF_EOF
@@ -1701,36 +1916,32 @@ ifelse($4,,,[   else
 ifelse($4,,,[else
    $4])
 fi
-rm -f conftest*
+rm -rf conftest*
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_VERSION version: 12 updated: 2006/10/14 15:23:15
+dnl CF_GNAT_VERSION version: 16 updated: 2010/11/13 14:15:18
 dnl ---------------
 dnl Verify version of GNAT.
 AC_DEFUN([CF_GNAT_VERSION],
 [
 AC_MSG_CHECKING(for gnat version)
-cf_gnat_version=`${cf_ada_make-gnatmake} -v 2>&1 | grep '[[0-9]].[[0-9]][[0-9]]*' |\
-  sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
+cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
+       grep '[[0-9]].[[0-9]][[0-9]]*' |\
+    sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
 AC_MSG_RESULT($cf_gnat_version)
 
-case $cf_gnat_version in
-  3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*)
-    cf_cv_prog_gnat_correct=yes
-    ;;
-  *) echo Unsupported GNAT version $cf_gnat_version. Required is 3.11 or better. Disabling Ada95 binding.
-     cf_cv_prog_gnat_correct=no
-     ;;
-esac
-case $cf_gnat_version in
-  3.[[1-9]]*|[[4-9]].*)
-      cf_compile_generics=generics
-      cf_generic_objects="\${GENOBJS}"
-      ;;
-  *)  cf_compile_generics=
-      cf_generic_objects=
-      ;;
+case $cf_gnat_version in #(vi
+3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*) #(vi
+       cf_cv_prog_gnat_correct=yes
+       ;;
+*)
+       AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
+       cf_cv_prog_gnat_correct=no
+       ;;
 esac
+
+CF_GNAT_GENERICS
+CF_GNAT_PROJECTS
 ])
 dnl ---------------------------------------------------------------------------
 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
@@ -1763,7 +1974,7 @@ make an error
 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GPP_LIBRARY version: 9 updated: 2009/12/19 13:46:49
+dnl CF_GPP_LIBRARY version: 10 updated: 2010/05/29 16:31:02
 dnl --------------
 dnl If we're trying to use g++, test if libg++ is installed (a rather common
 dnl problem :-).  If we have the compiler but no library, we'll be able to
@@ -1782,13 +1993,13 @@ esac
 if test "$GXX" = yes; then
        AC_MSG_CHECKING([for lib$cf_gpp_libname])
        cf_save="$LIBS"
-       LIBS="-l$cf_gpp_libname $LIBS"
+       CF_ADD_LIB($cf_gpp_libname)
        AC_TRY_LINK([
 #include <$cf_gpp_libname/builtin.h>
        ],
        [two_arg_error_handler_t foo2 = lib_error_handler],
        [cf_cxx_library=yes
-        CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
+        CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
         if test "$cf_gpp_libname" = cpp ; then
            AC_DEFINE(HAVE_GPP_BUILTIN_H)
         else
@@ -1799,7 +2010,7 @@ if test "$GXX" = yes; then
        ],
        [two_arg_error_handler_t foo2 = lib_error_handler],
        [cf_cxx_library=yes
-        CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
+        CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
         AC_DEFINE(HAVE_BUILTIN_H)],
        [cf_cxx_library=no])])
        LIBS="$cf_save"
@@ -1807,7 +2018,7 @@ if test "$GXX" = yes; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GXX_VERSION version: 5 updated: 2005/08/27 09:53:42
+dnl CF_GXX_VERSION version: 6 updated: 2010/10/23 15:44:18
 dnl --------------
 dnl Check for version of g++
 AC_DEFUN([CF_GXX_VERSION],[
@@ -1815,13 +2026,13 @@ AC_REQUIRE([AC_PROG_CPP])
 GXX_VERSION=none
 if test "$GXX" = yes; then
        AC_MSG_CHECKING(version of g++)
-       GXX_VERSION="`${CXX-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+       GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
        test -z "$GXX_VERSION" && GXX_VERSION=unknown
        AC_MSG_RESULT($GXX_VERSION)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GXX_WARNINGS version: 5 updated: 2005/08/13 14:54:38
+dnl CF_GXX_WARNINGS version: 6 updated: 2010/08/14 18:25:37
 dnl ---------------
 dnl Check if the compiler supports useful warning options.
 dnl
@@ -1932,12 +2143,12 @@ then
        CXXFLAGS="$cf_save_CXXFLAGS"
 fi
 
-rm -f conftest*
+rm -rf conftest*
 AC_LANG_RESTORE
 AC_SUBST(EXTRA_CXXFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_HASHED_DB version: 3 updated: 2007/11/24 17:43:37
+dnl CF_HASHED_DB version: 4 updated: 2010/05/29 16:31:02
 dnl ------------
 dnl Look for an instance of the Berkeley hashed database.
 dnl
@@ -1964,7 +2175,7 @@ else
        if test "$cf_cv_hashed_db_libs" = unknown ; then
                AC_MSG_ERROR(Cannot determine library for db)
        elif test "$cf_cv_hashed_db_libs" != default ; then
-               LIBS="-l$cf_cv_hashed_db_libs $LIBS"
+               CF_ADD_LIB($cf_cv_hashed_db_libs)
        fi
 fi
 ],[
@@ -1972,7 +2183,7 @@ fi
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_HASHED_DB_LIBS version: 8 updated: 2008/08/04 06:18:06
+dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
 dnl -----------------
 dnl Given that we have the header and version for hashed database, find the
 dnl library information.
@@ -1984,7 +2195,7 @@ for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db '
 do
        cf_save_libs="$LIBS"
        if test -n "$cf_db_libs"; then
-               LIBS="-l$cf_db_libs $LIBS"
+               CF_ADD_LIB($cf_db_libs)
        fi
        CF_MSG_LOG(checking for library "$cf_db_libs")
        AC_TRY_LINK([
@@ -2082,7 +2293,7 @@ done
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_HEADER_PATH version: 10 updated: 2010/01/17 20:36:17
+dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
 dnl --------------
 dnl Construct a search-list of directories for a nonstandard header-file
 dnl
@@ -2092,6 +2303,8 @@ dnl       $2 = the package name
 AC_DEFUN([CF_HEADER_PATH],
 [
 $1=
+
+# collect the current set of include-directories from compiler flags
 cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
        for cf_header_path in $CPPFLAGS $CFLAGS
@@ -2106,6 +2319,7 @@ if test -n "${CFLAGS}${CPPFLAGS}" ; then
        done
 fi
 
+# add the variations for the package we are looking for
 CF_SUBDIR_PATH($1,$2,include)
 
 test "$includedir" != NONE && \
@@ -2122,7 +2336,7 @@ test -d "$oldincludedir" && {
        test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
 }
 
-$1="$cf_header_path_list [$]$1"
+$1="[$]$1 $cf_header_path_list"
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
@@ -2158,7 +2372,7 @@ fi
 AC_SUBST(CPPFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INTEL_COMPILER version: 3 updated: 2005/08/06 18:37:29
+dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
 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
@@ -2172,24 +2386,24 @@ dnl $1 = GCC (default) or GXX
 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
 dnl $3 = CFLAGS (default) or CXXFLAGS
 AC_DEFUN([CF_INTEL_COMPILER],[
-ifelse($2,,INTEL_COMPILER,[$2])=no
+ifelse([$2],,INTEL_COMPILER,[$2])=no
 
-if test "$ifelse($1,,[$1],GCC)" = yes ; then
+if test "$ifelse([$1],,[$1],GCC)" = yes ; then
        case $host_os in
        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"
+               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"
                AC_TRY_COMPILE([],[
 #ifdef __INTEL_COMPILER
 #else
 make an error
 #endif
-],[ifelse($2,,INTEL_COMPILER,[$2])=yes
+],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
 ],[])
-               ifelse($3,,CFLAGS,[$3])="$cf_save_CFLAGS"
-               AC_MSG_RESULT($ifelse($2,,INTEL_COMPILER,[$2]))
+               ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
+               AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
                ;;
        esac
 fi
@@ -2249,7 +2463,7 @@ ifdef([AC_FUNC_FSEEKO],[
 ])
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_LDFLAGS_STATIC version: 7 updated: 2009/04/04 18:31:04
+dnl CF_LDFLAGS_STATIC version: 8 updated: 2010/10/23 14:39:56
 dnl -----------------
 dnl Check for compiler/linker flags used to temporarily force usage of static
 dnl libraries.  This depends on the compiler and platform.  Use this to help
@@ -2295,11 +2509,53 @@ else
        esac
 fi
 
+if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
+then
+       AC_MSG_CHECKING(if linker supports switching between static/dynamic)
+
+       rm -f libconftest.a
+       cat >conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+#include <stdio.h>
+int cf_ldflags_static(FILE *fp) { return fflush(fp); }
+EOF
+       if AC_TRY_EVAL(ac_compile) ; then
+               ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
+               ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
+       fi
+       rm -f conftest.*
+
+       cf_save_LIBS="$LIBS"
+
+       LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
+       AC_TRY_LINK([
+#line __oline__ "configure"
+#include <stdio.h>
+int cf_ldflags_static(FILE *fp);
+],[
+       return cf_ldflags_static(stdin);
+],[cf_ldflags_static=yes],[cf_ldflags_static=no])
+
+       rm -f libconftest.*
+       LIBS="$cf_save_LIBS"
+
+       AC_MSG_RESULT($cf_ldflags_static)
+
+       if test $cf_ldflags_static != yes
+       then
+               LDFLAGS_STATIC=
+               LDFLAGS_SHARED=
+       fi
+else
+       LDFLAGS_STATIC=
+       LDFLAGS_SHARED=
+fi
+
 AC_SUBST(LDFLAGS_STATIC)
 AC_SUBST(LDFLAGS_SHARED)
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_LD_RPATH_OPT version: 2 updated: 2010/03/27 19:27:54
+dnl CF_LD_RPATH_OPT version: 3 updated: 2010/06/02 05:03:05
 dnl ---------------
 dnl For the given system and compiler, find the compiler flags to pass to the
 dnl loader to use the "rpath" feature.
@@ -2344,7 +2600,7 @@ case "x$LD_RPATH_OPT" in #(vi
 x-R*)
        AC_MSG_CHECKING(if we need a space after rpath option)
        cf_save_LIBS="$LIBS"
-       LIBS="${LD_RPATH_OPT}$libdir $LIBS"
+       CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
        AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
        LIBS="$cf_save_LIBS"
        AC_MSG_RESULT($cf_rpath_space)
@@ -2353,7 +2609,7 @@ x-R*)
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIBRARY_PATH version: 8 updated: 2008/12/07 19:38:31
+dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
 dnl ---------------
 dnl Construct a search-list of directories for a nonstandard library-file
 dnl
@@ -2362,6 +2618,7 @@ dnl       $1 = the variable to return as result
 dnl    $2 = the package name
 AC_DEFUN([CF_LIBRARY_PATH],
 [
+$1=
 cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
        for cf_library_path in $LDFLAGS $LIBS
@@ -2398,7 +2655,7 @@ ifelse($1,,,[$1=$LIB_PREFIX])
        AC_SUBST(LIB_PREFIX)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_RULES version: 55 updated: 2008/12/13 16:17:38
+dnl CF_LIB_RULES version: 61 updated: 2010/10/23 16:10:30
 dnl ------------
 dnl Append definitions and rules for the given models to the subdirectory
 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
@@ -2421,6 +2678,23 @@ if test $cf_cv_shlib_version = cygdll ; then
        TINFO_SUFFIX=.dll
 fi
 
+if test -n "$TINFO_SUFFIX" ; then
+       case $TINFO_SUFFIX in
+       tw*)
+               TINFO_NAME="${TINFO_NAME}tw"
+               TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
+               ;;
+       t*)
+               TINFO_NAME="${TINFO_NAME}t"
+               TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
+               ;;
+       w*)
+               TINFO_NAME="${TINFO_NAME}w"
+               TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
+               ;;
+       esac
+fi
+
 for cf_dir in $SRC_SUBDIRS
 do
        if test ! -d $srcdir/$cf_dir ; then
@@ -2439,6 +2713,14 @@ do
                                        case "$cf_cv_system_name" in #(vi
                                        darwin*)
                                        case .${LIB_SUFFIX} in
+                                       .tw*)
+                                               cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
+                                               cf_suffix=tw'.${REL_VERSION}'"$cf_suffix"
+                                               ;;
+                                       .t*)
+                                               cf_suffix=`echo $cf_suffix | sed 's/^t//'`
+                                               cf_suffix=t'.${REL_VERSION}'"$cf_suffix"
+                                               ;;
                                        .w*)
                                                cf_suffix=`echo $cf_suffix | sed 's/^w//'`
                                                cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
@@ -2455,6 +2737,14 @@ do
                                        case "$cf_cv_system_name" in #(vi
                                        darwin*)
                                        case .${LIB_SUFFIX} in
+                                       .tw*)
+                                               cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
+                                               cf_suffix=tw'.${ABI_VERSION}'"$cf_suffix"
+                                               ;;
+                                       .t*)
+                                               cf_suffix=`echo $cf_suffix | sed 's/^t//'`
+                                               cf_suffix=t'.${ABI_VERSION}'"$cf_suffix"
+                                               ;;
                                        .w*)
                                                cf_suffix=`echo $cf_suffix | sed 's/^w//'`
                                                cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
@@ -2575,6 +2865,16 @@ do
                        if test "$cf_cv_shlib_version_infix" = yes ; then
                        if test -n "$LIB_SUFFIX" ; then
                                case $LIB_SUFFIX in
+                               tw*)
+                                       cf_libname=`echo $cf_libname | sed 's/tw$//'`
+                                       cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
+                                       cf_dir_suffix=tw
+                                       ;;
+                               t*)
+                                       cf_libname=`echo $cf_libname | sed 's/t$//'`
+                                       cf_suffix=`echo $cf_suffix | sed 's/^t//'`
+                                       cf_dir_suffix=t
+                                       ;;
                                w*)
                                        cf_libname=`echo $cf_libname | sed 's/w$//'`
                                        cf_suffix=`echo $cf_suffix | sed 's/^w//'`
@@ -2592,17 +2892,19 @@ do
                                prefix=$cf_prefix \
                                suffix=$cf_suffix \
                                subset=$cf_subset \
+                               SymLink="$LN_S" \
                                TermlibRoot=$TINFO_NAME \
                                TermlibSuffix=$TINFO_SUFFIX \
                                ShlibVer=$cf_cv_shlib_version \
                                ShlibVerInfix=$cf_cv_shlib_version_infix \
-                               ReLink=${cf_cv_do_relink-no} \
+                               ReLink=${cf_cv_do_relink:-no} \
                                DoLinks=$cf_cv_do_symlinks \
                                rmSoLocs=$cf_cv_rm_so_locs \
                                ldconfig="$LDCONFIG" \
                                overwrite=$WITH_OVERWRITE \
                                depend="$cf_depend" \
                                host="$host" \
+                               libtool_version="$LIBTOOL_VERSION" \
                                $srcdir/$cf_dir/modules >>$cf_dir/Makefile
 
                        cf_suffix="$old_cf_suffix"
@@ -2744,8 +3046,8 @@ done
 DST=\[$]1
 REF=\[$]2
 SRC=\[$]3
-TMPSRC=\${TMPDIR-/tmp}/\`basename \$SRC\`\$\$
-TMPSED=\${TMPDIR-/tmp}/headers.sed\$\$
+TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
+TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
 echo installing \$SRC in \$DST
 CF_EOF
 
@@ -2832,10 +3134,10 @@ CF_EOF
                fi
        fi
 done
-
+AC_SUBST(LIBS_TO_MAKE)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_SONAME version: 3 updated: 2006/12/16 15:55:46
+dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
 dnl -------------
 dnl Find the and soname for the given shared library.  Set the cache variable
 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
@@ -2859,14 +3161,14 @@ $2
 }
 CF_EOF
 cf_save_LIBS="$LIBS"
-       LIBS="-l$3 $LIBS"
+       CF_ADD_LIB($3)
        if AC_TRY_EVAL(ac_compile) ; then
                if AC_TRY_EVAL(ac_link) ; then
                        cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
                        test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
                fi
        fi
-rm -f conftest*
+rm -rf conftest*
 LIBS="$cf_save_LIBS"
 fi
 ])
@@ -3084,7 +3386,7 @@ AC_DEFUN([CF_MAIN_RETURN],
 cf_cv_main_return=return
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MAKEFLAGS version: 12 updated: 2006/10/21 08:27:03
+dnl CF_MAKEFLAGS version: 13 updated: 2010/10/23 15:52:32
 dnl ------------
 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
@@ -3101,10 +3403,10 @@ SHELL = /bin/sh
 all :
        @ echo '.$cf_option'
 CF_EOF
-               cf_result=`${MAKE-make} -k -f cf_makeflags.tmp 2>/dev/null | sed -e 's,[[       ]]*$,,'`
+               cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | sed -e 's,[[      ]]*$,,'`
                case "$cf_result" in
                .*k)
-                       cf_result=`${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=
                                ;;
@@ -3124,16 +3426,20 @@ CF_EOF
 AC_SUBST(cf_cv_makeflags)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MAKE_TAGS version: 2 updated: 2000/10/04 09:18:40
+dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
 dnl ------------
 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
 dnl a monocase filesystem.
 AC_DEFUN([CF_MAKE_TAGS],[
 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
-AC_CHECK_PROG(MAKE_LOWER_TAGS, ctags, yes, no)
+
+AC_CHECK_PROGS(CTAGS, exctags ctags)
+AC_CHECK_PROGS(ETAGS, exetags etags)
+
+AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
 
 if test "$cf_cv_mixedcase" = yes ; then
-       AC_CHECK_PROG(MAKE_UPPER_TAGS, etags, yes, no)
+       AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
 else
        MAKE_UPPER_TAGS=no
 fi
@@ -3143,17 +3449,21 @@ if test "$MAKE_UPPER_TAGS" = yes ; then
 else
        MAKE_UPPER_TAGS="#"
 fi
-AC_SUBST(MAKE_UPPER_TAGS)
 
 if test "$MAKE_LOWER_TAGS" = yes ; then
        MAKE_LOWER_TAGS=
 else
        MAKE_LOWER_TAGS="#"
 fi
+
+AC_SUBST(CTAGS)
+AC_SUBST(ETAGS)
+
+AC_SUBST(MAKE_UPPER_TAGS)
 AC_SUBST(MAKE_LOWER_TAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MANPAGE_FORMAT version: 8 updated: 2009/01/11 20:30:50
+dnl CF_MANPAGE_FORMAT version: 9 updated: 2010/10/23 16:10:30
 dnl -----------------
 dnl Option to allow user to override automatic configuration of manpage format.
 dnl There are several special cases:
@@ -3195,7 +3505,7 @@ unknown)
   cf_catonly=yes
   cf_example=date
 
-  IFS="${IFS=  }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
+  IFS="${IFS:-         }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
   for cf_dir in $MANPATH; do
     test -z "$cf_dir" && cf_dir=/usr/man
     for cf_name in $cf_dir/man*/$cf_example.[[01]]* $cf_dir/cat*/$cf_example.[[01]]* $cf_dir/man*/$cf_example $cf_dir/cat*/$cf_example
@@ -3309,7 +3619,7 @@ AC_MSG_RESULT($MANPAGE_RENAMES)
 AC_SUBST(MANPAGE_RENAMES)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MANPAGE_SYMLINKS version: 4 updated: 2003/12/13 18:01:58
+dnl CF_MANPAGE_SYMLINKS version: 5 updated: 2010/07/24 17:12:40
 dnl -------------------
 dnl Some people expect each tool to make all aliases for manpages in the
 dnl man-directory.  This accommodates the older, less-capable implementations
@@ -3325,11 +3635,14 @@ AC_ARG_WITH(manpage-aliases,
 
 AC_MSG_RESULT($MANPAGE_ALIASES)
 
-if test "$LN_S" = "ln -s"; then
+case "x$LN_S" in #(vi
+xln*) #(vi
        cf_use_symlinks=yes
-else
+       ;;
+*)
        cf_use_symlinks=no
-fi
+       ;;
+esac
 
 MANPAGE_SYMLINKS=no
 if test "$MANPAGE_ALIASES" = yes ; then
@@ -3368,7 +3681,7 @@ AC_ARG_WITH(manpage-tbl,
 AC_MSG_RESULT($MANPAGE_TBL)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MAN_PAGES version: 36 updated: 2010/03/13 13:41:01
+dnl CF_MAN_PAGES version: 39 updated: 2010/10/23 15:44:18
 dnl ------------
 dnl Try to determine if the man-pages on the system are compressed, and if
 dnl so, what format is used.  Use this information to construct a script that
@@ -3411,7 +3724,7 @@ case "$MANPAGE_FORMAT" in #(vi
        cf_so_strip="Z"
        cf_compress=compress
   ;;
-*gzip*) #(vi
+*gzip*)
        cf_so_strip="gz"
        cf_compress=gzip
   ;;
@@ -3434,14 +3747,12 @@ NCURSES_PATCH="$NCURSES_PATCH"
 NCURSES_OSPEED="$NCURSES_OSPEED"
 TERMINFO="$TERMINFO"
 
-MKDIRS="sh `cd $srcdir && pwd`/mkdirs.sh"
-
 INSTALL="$INSTALL"
 INSTALL_DATA="$INSTALL_DATA"
 
 transform="$program_transform_name"
 
-TMP=\${TMPDIR-/tmp}/man\$\$
+TMP=\${TMPDIR:=/tmp}/man\$\$
 trap "rm -f \$TMP" 0 1 2 5 15
 
 form=\[$]1
@@ -3479,7 +3790,7 @@ case \$i in #(vi
        section=\`expr "\$i" : '.*\\.\\([[0-9]]\\)[[xm]]*'\`;
        if test \$verb = installing ; then
        if test ! -d \$cf_subdir\${section} ; then
-               \$MKDIRS \$cf_subdir\$section
+               mkdir -p \$cf_subdir\$section
        fi
        fi
 
@@ -3628,8 +3939,21 @@ cat >>$cf_edit_man <<CF_EOF
                                                        fi
                                                fi
                                                echo .. \$verb alias \$cf_alias\${suffix}
+CF_EOF
+case "x$LN_S" in #(vi
+*-f) #(vi
+cat >>$cf_edit_man <<CF_EOF
+                                               $LN_S \$cf_target \$cf_alias\${suffix}
+CF_EOF
+       ;;
+*)
+cat >>$cf_edit_man <<CF_EOF
                                                rm -f \$cf_alias\${suffix}
                                                $LN_S \$cf_target \$cf_alias\${suffix}
+CF_EOF
+       ;;
+esac
+cat >>$cf_edit_man <<CF_EOF
                                        elif test "\$cf_target" != "\$cf_alias\${suffix}" ; then
                                                echo ".so \$cf_source" >\$TMP
 CF_EOF
@@ -3688,7 +4012,7 @@ chmod 755 $cf_edit_man
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MATH_LIB version: 6 updated: 2009/12/19 13:46:49
+dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
 dnl -----------
 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
@@ -3701,13 +4025,13 @@ AC_CACHE_CHECK(if -lm needed for math functions,
        #include <stdio.h>
        #include <math.h>
        ],
-       [double x = rand(); printf("result = %g\n", ]ifelse($2,,sin(x),$2)[)],
+       [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
        [cf_cv_need_libm=no],
        [cf_cv_need_libm=yes])])
 if test "$cf_cv_need_libm" = yes
 then
 ifelse($1,,[
-       LIBS="-lm $LIBS"
+       CF_ADD_LIB(m)
 ],[$1=-lm])
 fi
 ])
@@ -3742,13 +4066,13 @@ fi
 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MKSTEMP version: 5 updated: 2006/12/16 12:33:30
+dnl CF_MKSTEMP version: 7 updated: 2010/08/14 18:25:37
 dnl ----------
 dnl Check for a working mkstemp.  This creates two files, checks that they are
 dnl successfully created and distinct (AmigaOS apparently fails on the last).
 AC_DEFUN([CF_MKSTEMP],[
 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
-rm -f conftest*
+rm -rf conftest*
 AC_TRY_RUN([
 #include <sys/types.h>
 #include <stdlib.h>
@@ -3787,17 +4111,17 @@ int main()
 ],[AC_CHECK_FUNC(mkstemp)
 ])
 ])
-if test "$cf_cv_func_mkstemp" = yes ; then
+if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
        AC_DEFINE(HAVE_MKSTEMP)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MSG_LOG version: 4 updated: 2007/07/29 09:55:12
+dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
 dnl ----------
 dnl Write a debug message to config.log, along with the line number in the
 dnl configure script.
 AC_DEFUN([CF_MSG_LOG],[
-echo "${as_me-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
+echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_NCURSES_ABI_6 version: 1 updated: 2005/09/17 18:42:49
@@ -3884,7 +4208,7 @@ AC_DEFUN([CF_OBJ_SUBDIR],
        esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PATHSEP version: 4 updated: 2009/01/11 20:30:23
+dnl CF_PATHSEP version: 5 updated: 2010/05/26 05:38:42
 dnl ----------
 dnl Provide a value for the $PATH and similar separator
 AC_DEFUN([CF_PATHSEP],
@@ -3893,11 +4217,11 @@ AC_DEFUN([CF_PATHSEP],
        os2*)   PATH_SEPARATOR=';'  ;;
        *)      PATH_SEPARATOR=':'  ;;
        esac
-ifelse($1,,,[$1=$PATH_SEPARATOR])
+ifelse([$1],,,[$1=$PATH_SEPARATOR])
        AC_SUBST(PATH_SEPARATOR)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PATH_SYNTAX version: 12 updated: 2008/03/23 14:45:59
+dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
 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
@@ -3929,12 +4253,12 @@ case ".[$]$1" in #(vi
   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
   ;;
 *)
-  ifelse($2,,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+  ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
   ;;
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PKG_CONFIG version: 3 updated: 2009/01/25 10:55:09
+dnl CF_PKG_CONFIG version: 4 updated: 2011/02/18 20:26:24
 dnl -------------
 dnl Check for the package-config program, unless disabled by command-line.
 AC_DEFUN([CF_PKG_CONFIG],
@@ -3951,7 +4275,7 @@ no) #(vi
        PKG_CONFIG=none
        ;;
 yes) #(vi
-       AC_PATH_PROG(PKG_CONFIG, pkg-config, none)
+       AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)
        ;;
 *)
        PKG_CONFIG=$withval
@@ -3966,7 +4290,7 @@ fi
 AC_SUBST(PKG_CONFIG)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_POSIX_C_SOURCE version: 7 updated: 2010/01/09 11:05:50
+dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
 dnl -----------------
 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
 dnl
@@ -3982,7 +4306,7 @@ dnl Parameters:
 dnl    $1 is the nominal value for _POSIX_C_SOURCE
 AC_DEFUN([CF_POSIX_C_SOURCE],
 [
-cf_POSIX_C_SOURCE=ifelse($1,,199506L,$1)
+cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
 
 cf_save_CFLAGS="$CFLAGS"
 cf_save_CPPFLAGS="$CPPFLAGS"
@@ -4039,7 +4363,7 @@ fi
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PREDEFINE version: 1 updated: 2003/07/26 17:53:56
+dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57
 dnl ------------
 dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
 dnl
@@ -4056,7 +4380,7 @@ make an error
 AC_MSG_RESULT($cf_result)
 
 if test "$cf_result" = yes ; then
-       CPPFLAGS="$CPPFLAGS ifelse($2,,-D$1,[-D$1=$2])"
+       CPPFLAGS="$CPPFLAGS ifelse([$2],,-D$1,[-D$1=$2])"
 elif test "x$2" != "x" ; then
        AC_MSG_CHECKING(checking for compatible value versus $2)
        AC_TRY_COMPILE([#include <sys/types.h>
@@ -4112,7 +4436,7 @@ AC_PROG_AWK
 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PROG_CC_C_O version: 2 updated: 2006/12/16 15:55:46
+dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
 dnl --------------
 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
 dnl the output file can be renamed, and allows for a shell variable that can
@@ -4142,7 +4466,7 @@ then
 else
   eval cf_cv_prog_$1_c_o=no
 fi
-rm -f conftest*
+rm -rf conftest*
 ])dnl
 if test $cf_cv_prog_$1_c_o = yes; then
   AC_MSG_RESULT([yes])
@@ -4216,6 +4540,39 @@ AC_SUBST(PROG_EXT)
 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_PROG_GNAT version: 1 updated: 2010/06/19 15:22:18
+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=
+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;],
+[with Text_IO;
+with GNAT.OS_Lib;
+procedure conftest is
+begin
+   Text_IO.Put ("Hello World");
+   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
+fi
+
+AC_SUBST(cf_ada_make)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
 dnl ---------------
 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
@@ -4262,7 +4619,29 @@ AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
 AC_SUBST(LINT_OPTS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_REGEX version: 6 updated: 2010/03/27 13:41:56
+dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
+dnl ------------
+dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
+dnl option if it is supported.
+AC_DEFUN([CF_PROG_LN_S],[
+AC_PROG_LN_S
+AC_MSG_CHECKING(if $LN_S -f options work)
+
+rm -f conf$$.src conf$$dst
+echo >conf$$.dst
+echo first >conf$$.src
+if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
+       cf_prog_ln_sf=yes
+else
+       cf_prog_ln_sf=no
+fi
+rm -f conf$$.dst conf$$src
+AC_MSG_RESULT($cf_prog_ln_sf)
+
+test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_REGEX version: 8 updated: 2010/08/07 14:09:44
 dnl --------
 dnl Attempt to determine if we've got one of the flavors of regular-expression
 dnl code that we can support.
@@ -4271,11 +4650,18 @@ AC_DEFUN([CF_REGEX],
 
 cf_regex_func=no
 
+cf_regex_libs="regex re"
+case $host_os in #(vi
+mingw*)
+       cf_regex_libs="regex.dll $cf_regex_libs"
+       ;;
+esac
+
 AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
-       for cf_regex_lib in regex re
+       for cf_regex_lib in $cf_regex_libs
        do
                AC_CHECK_LIB($cf_regex_lib,regcomp,[
-                               LIBS="-l$cf_regex_lib $LIBS"
+                               CF_ADD_LIB($cf_regex_lib)
                                cf_regex_func=regcomp
                                break])
        done
@@ -4284,7 +4670,7 @@ AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
 if test "$cf_regex_func" = no ; then
        AC_CHECK_FUNC(compile,[cf_regex_func=compile],[
                AC_CHECK_LIB(gen,compile,[
-                               LIBS="-lgen $LIBS"
+                               CF_ADD_LIB(gen)
                                cf_regex_func=compile])])
 fi
 
@@ -4365,16 +4751,51 @@ define([CF_REMOVE_LIB],
 $1=`echo "$2" | sed -e 's/-l$3[[       ]]//g' -e 's/-l$3[$]//'`
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_RPATH_HACK version: 5 updated: 2010/03/27 18:39:42
+dnl CF_RPATH_HACK version: 9 updated: 2011/02/13 13:31:33
 dnl -------------
 AC_DEFUN([CF_RPATH_HACK],
 [
 AC_REQUIRE([CF_LD_RPATH_OPT])
-AC_REQUIRE([CF_SHARED_OPTS])
 AC_MSG_CHECKING(for updated LDFLAGS)
 if test -n "$LD_RPATH_OPT" ; then
        AC_MSG_RESULT(maybe)
 
+       AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
+       cf_rpath_list="/usr/lib /lib"
+       if test "$cf_ldd_prog" != no
+       then
+               cf_rpath_oops=
+
+AC_TRY_LINK([#include <stdio.h>],
+               [printf("Hello");],
+               [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort -u`
+                cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[     ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort -u`])
+
+               # If we passed the link-test, but get a "not found" on a given library,
+               # this could be due to inept reconfiguration of gcc to make it only
+               # partly honor /usr/local/lib (or whatever).  Sometimes this behavior
+               # is intentional, e.g., installing gcc in /usr/bin and suppressing the
+               # /usr/local libraries.
+               if test -n "$cf_rpath_oops"
+               then
+                       for cf_rpath_src in $cf_rpath_oops
+                       do
+                               for cf_rpath_dir in \
+                                       /usr/local \
+                                       /usr/pkg \
+                                       /opt/sfw
+                               do
+                                       if test -f $cf_rpath_dir/lib/$cf_rpath_src
+                                       then
+                                               CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
+                                               LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
+                                               break
+                                       fi
+                               done
+                       done
+               fi
+       fi
+
        CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
 
        CF_RPATH_HACK_2(LDFLAGS)
@@ -4382,13 +4803,16 @@ if test -n "$LD_RPATH_OPT" ; then
 
        CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
 fi
+AC_SUBST(EXTRA_LDFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_RPATH_HACK_2 version: 1 updated: 2010/03/27 18:39:42
+dnl CF_RPATH_HACK_2 version: 6 updated: 2010/04/17 16:31:24
 dnl ---------------
 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
 dnl EXTRA_LDFLAGS for each -L option found.
 dnl
+dnl $cf_rpath_list contains a list of directories to ignore.
+dnl
 dnl $1 = variable name to update.  The LDFLAGS variable should be the only one,
 dnl      but LIBS often has misplaced -L options.
 AC_DEFUN([CF_RPATH_HACK_2],
@@ -4398,16 +4822,40 @@ CF_VERBOSE(...checking $1 [$]$1)
 cf_rpath_dst=
 for cf_rpath_src in [$]$1
 do
-       CF_VERBOSE(Filtering $cf_rpath_src)
        case $cf_rpath_src in #(vi
        -L*) #(vi
-               if test "$LD_RPATH_OPT" = "-R " ; then
-                       cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e 's%-L%-R %'`
-               else
-                       cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e s%-L%$LD_RPATH_OPT%`
+
+               # check if this refers to a directory which we will ignore
+               cf_rpath_skip=no
+               if test -n "$cf_rpath_list"
+               then
+                       for cf_rpath_item in $cf_rpath_list
+                       do
+                               if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
+                               then
+                                       cf_rpath_skip=yes
+                                       break
+                               fi
+                       done
+               fi
+
+               if test "$cf_rpath_skip" = no
+               then
+                       # transform the option
+                       if test "$LD_RPATH_OPT" = "-R " ; then
+                               cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
+                       else
+                               cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
+                       fi
+
+                       # if we have not already added this, add it now
+                       cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
+                       if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
+                       then
+                               CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
+                               EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
+                       fi
                fi
-               CF_VERBOSE(...Filter $cf_rpath_tmp)
-               EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
                ;;
        esac
        cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
@@ -4415,9 +4863,10 @@ done
 $1=$cf_rpath_dst
 
 CF_VERBOSE(...checked $1 [$]$1)
+AC_SUBST(EXTRA_LDFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 61 updated: 2010/03/27 20:13:59
+dnl CF_SHARED_OPTS version: 64 updated: 2010/06/05 16:51:16
 dnl --------------
 dnl --------------
 dnl Attempt to determine the appropriate CC/LD options for creating a shared
@@ -4495,7 +4944,7 @@ AC_DEFUN([CF_SHARED_OPTS],
        aix[[56]]*) #(vi
                if test "$GCC" = yes; then
                        CC_SHARED_OPTS=
-                       MK_SHARED_LIB="$(CC) -shared"
+                       MK_SHARED_LIB='$(CC) -shared'
                fi
                ;;
        beos*) #(vi
@@ -4665,12 +5114,12 @@ CF_EOF
                        LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
                fi
                if test "$cf_cv_enable_rpath" = yes ; then
-                       EXTRA_LDFLAGS="$LOCAL_LDFLAGS $EXTRA_LDFLAGS"
+                       EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
                fi
                CF_SHARED_SONAME
                if test "$GCC" != yes; then
                        cf_save_CFLAGS="$CFLAGS"
-                       for cf_shared_opts in -xcode=pic13 -xcode=pic32 -Kpic -KPIC -O
+                       for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
                        do
                                CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
                                AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
@@ -4907,7 +5356,7 @@ if test "$cf_cv_sizechange" != no ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SRC_MODULES version: 20 updated: 2008/12/27 12:30:03
+dnl CF_SRC_MODULES version: 21 updated: 2010/09/04 17:37:40
 dnl --------------
 dnl For each parameter, test if the source-directory exists, and if it contains
 dnl a 'modules' file.  If so, add to the list $cf_cv_src_modules which we'll
@@ -4991,14 +5440,19 @@ for cf_dir in $cf_cv_src_modules
 do
        SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
 done
-SRC_SUBDIRS="$SRC_SUBDIRS test"
+if test "x$cf_with_tests" != "xno" ; then
+       SRC_SUBDIRS="$SRC_SUBDIRS test"
+fi
 test -z "$MAKE_TERMINFO" && SRC_SUBDIRS="$SRC_SUBDIRS misc"
 test "$cf_with_cxx_binding" != no && SRC_SUBDIRS="$SRC_SUBDIRS c++"
 
 ADA_SUBDIRS=
 if test "$cf_cv_prog_gnat_correct" = yes && test -f $srcdir/Ada95/Makefile.in; then
        SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
-       ADA_SUBDIRS="gen src samples"
+       ADA_SUBDIRS="gen src"
+       if test "x$cf_with_tests" != "xno" ; then
+               ADA_SUBDIRS="$ADA_SUBDIRS samples"
+       fi
 fi
 
 SUB_MAKEFILES=
@@ -5016,7 +5470,7 @@ if test -n "$ADA_SUBDIRS"; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_STDCPP_LIBRARY version: 6 updated: 2009/12/19 13:46:49
+dnl CF_STDCPP_LIBRARY version: 7 updated: 2010/05/29 16:31:02
 dnl -----------------
 dnl Check for -lstdc++, which is GNU's standard C++ library.
 AC_DEFUN([CF_STDCPP_LIBRARY],
@@ -5032,7 +5486,7 @@ os2*) #(vi
 esac
 AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
        cf_save="$LIBS"
-       LIBS="-l$cf_stdcpp_libname $LIBS"
+       CF_ADD_LIB($cf_stdcpp_libname)
 AC_TRY_LINK([
 #include <strstream.h>],[
 char buf[80];
@@ -5042,7 +5496,7 @@ strstreambuf foo(buf, sizeof(buf))
        [cf_cv_libstdcpp=no])
        LIBS="$cf_save"
 ])
-test "$cf_cv_libstdcpp" = yes && CXXLIBS="$CXXLIBS -l$cf_stdcpp_libname"
+test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -5115,14 +5569,15 @@ if test "$ac_cv_header_termios_h" = yes ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SUBDIR_PATH version: 5 updated: 2007/07/29 09:55:12
+dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
 dnl --------------
 dnl Construct a search-list for a nonstandard header/lib-file
 dnl    $1 = the variable to return as result
 dnl    $2 = the package name
 dnl    $3 = the subdirectory, e.g., bin, include or lib
 AC_DEFUN([CF_SUBDIR_PATH],
-[$1=""
+[
+$1=
 
 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
@@ -5317,7 +5772,7 @@ AC_DEFUN([CF_UPPER],
 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_UTF8_LIB version: 5 updated: 2008/10/17 19:37:52
+dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
 dnl -----------
 dnl Check for multibyte support, and if not found, utf8 compatibility library
 AC_DEFUN([CF_UTF8_LIB],
@@ -5339,7 +5794,7 @@ if test "$cf_cv_utf8_lib" = "add-on" ; then
        AC_DEFINE(HAVE_LIBUTF8_H)
        CF_ADD_INCDIR($cf_cv_header_path_utf8)
        CF_ADD_LIBDIR($cf_cv_library_path_utf8)
-       LIBS="-lutf8 $LIBS"
+       CF_ADD_LIBS($cf_cv_library_file_utf8)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -5381,7 +5836,7 @@ AC_DEFUN([CF_VERBOSE],
 CF_MSG_LOG([$1])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WCHAR_TYPE version: 2 updated: 2004/01/17 19:18:20
+dnl CF_WCHAR_TYPE version: 3 updated: 2010/05/26 16:44:57
 dnl -------------
 dnl Check if type wide-character type $1 is declared, and if so, which header
 dnl file is needed.  The second parameter is used to set a shell variable when
@@ -5417,7 +5872,7 @@ if test "$cf_cv_$1" = yes ; then
        NEED_WCHAR_H=1
 fi
 
-ifelse($2,,,[
+ifelse([$2],,,[
 # if we do not find $1 in either place, use substitution to provide a fallback.
 if test "$cf_cv_$1" = unknown ; then
        $2=1
@@ -5477,7 +5932,76 @@ $1_ABI=$cf_cv_abi_version
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_DBMALLOC version: 6 updated: 2006/12/16 14:24:05
+dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
+dnl --------------------
+dnl Command-line option to specify the Ada95 compiler.
+AC_DEFUN([CF_WITH_ADA_COMPILER],[
+AC_MSG_CHECKING(for ada-compiler)
+AC_ARG_WITH(ada-compiler,
+       [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
+       [cf_ada_compiler=$withval],
+       [cf_ada_compiler=gnatmake])
+AC_SUBST(cf_ada_compiler)
+AC_MSG_RESULT($cf_ada_compiler)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
+dnl -------------------
+dnl Command-line option to specify where Ada includes will install.
+AC_DEFUN([CF_WITH_ADA_INCLUDE],[
+AC_MSG_CHECKING(for ada-include)
+CF_WITH_PATH(ada-include,
+   [  --with-ada-include=DIR  Ada includes are in DIR],
+   ADA_INCLUDE,
+   PREFIX/share/ada/adainclude,
+   [$]prefix/share/ada/adainclude)
+AC_SUBST(ADA_INCLUDE)
+AC_MSG_RESULT($ADA_INCLUDE)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
+dnl -------------------
+dnl Command-line option to specify where Ada objects will install.
+AC_DEFUN([CF_WITH_ADA_OBJECTS],[
+AC_MSG_CHECKING(for ada-objects)
+CF_WITH_PATH(ada-objects,
+   [  --with-ada-objects=DIR  Ada objects are in DIR],
+   ADA_OBJECTS,
+   PREFIX/lib/ada/adalib,
+   [$]prefix/lib/ada/adalib)
+AC_SUBST(ADA_OBJECTS)
+AC_MSG_RESULT($ADA_OBJECTS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
+dnl ---------------------
+dnl Command-line option to specify if an Ada95 shared-library should be built,
+dnl and optionally what its soname should be.
+AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
+AC_MSG_CHECKING(if an Ada95 shared-library should be built)
+AC_ARG_WITH(ada-sharedlib,
+       [  --with-ada-sharedlib=XX build Ada95 shared-library],
+       [with_ada_sharedlib=$withval],
+       [with_ada_sharedlib=no])
+AC_MSG_RESULT($with_ada_sharedlib)
+
+ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
+MAKE_ADA_SHAREDLIB="#"
+
+if test "x$with_ada_sharedlib" != xno
+then
+       MAKE_ADA_SHAREDLIB=
+       if test "x$with_ada_sharedlib" != xyes
+       then
+               ADA_SHAREDLIB="$with_ada_sharedlib"
+       fi
+fi
+
+AC_SUBST(ADA_SHAREDLIB)
+AC_SUBST(MAKE_ADA_SHAREDLIB)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
 dnl ----------------
 dnl Configure-option for dbmalloc.  The optional parameter is used to override
 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
@@ -5488,11 +6012,11 @@ CF_NO_LEAKS_OPTION(dbmalloc,
 
 if test "$with_dbmalloc" = yes ; then
        AC_CHECK_HEADER(dbmalloc.h,
-               [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse($1,,[],[,$1]))])
+               [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_DMALLOC version: 6 updated: 2006/12/16 14:24:05
+dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
 dnl ---------------
 dnl Configure-option for dmalloc.  The optional parameter is used to override
 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
@@ -5503,7 +6027,7 @@ CF_NO_LEAKS_OPTION(dmalloc,
 
 if test "$with_dmalloc" = yes ; then
        AC_CHECK_HEADER(dmalloc.h,
-               [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse($1,,[],[,$1]))])
+               [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -5540,7 +6064,7 @@ if test "$with_gpm" != no ; then
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_LIBTOOL version: 23 updated: 2009/03/28 14:26:27
+dnl CF_WITH_LIBTOOL version: 26 updated: 2010/10/23 15:55:24
 dnl ---------------
 dnl Provide a configure option to incorporate libtool.  Define several useful
 dnl symbols for the makefile rules.
@@ -5569,13 +6093,14 @@ dnl     rm -f $ORIG
 dnl    mv $LOCAL $ORIG
 dnl
 dnl    # sed the LIBTOOL= assignment to omit the current directory?
-dnl    sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
+dnl    sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL:-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
 dnl    cat $ORIG >>$LOCAL
 dnl
 dnl    autoconf-257 $*
 dnl
 AC_DEFUN([CF_WITH_LIBTOOL],
 [
+AC_REQUIRE([CF_DISABLE_LIBTOOL_VERSION])
 ifdef([AC_PROG_LIBTOOL],,[
 LIBTOOL=
 ])
@@ -5615,7 +6140,7 @@ ifdef([AC_PROG_LIBTOOL],[
                AC_MSG_ERROR(Cannot find libtool)
        fi
 ])dnl
-       LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} -version-info `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} -o'
+       LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} -o'
        LIB_OBJECT='${OBJECTS:.o=.lo}'
        LIB_SUFFIX=.la
        LIB_CLEAN='${LIBTOOL} --mode=clean'
@@ -5680,7 +6205,7 @@ AC_SUBST(LIB_UNINSTALL)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PATH version: 8 updated: 2007/05/13 13:16:35
+dnl CF_WITH_PATH version: 10 updated: 2010/10/23 15:44:18
 dnl ------------
 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
 dnl defaulting to yes/no.
@@ -5692,16 +6217,16 @@ dnl $4 = default value, shown in the help-message, must be a constant
 dnl $5 = default value, if it's an expression & cannot be in the help-message
 dnl
 AC_DEFUN([CF_WITH_PATH],
-[AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
-ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl
-if ifelse($5,,true,[test -n "$5"]) ; then
+[AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
+ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
+if ifelse([$5],,true,[test -n "$5"]) ; then
 CF_PATH_SYNTAX(withval)
 fi
 $3="$withval"
 AC_SUBST($3)dnl
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PATHLIST version: 6 updated: 2009/01/11 20:30:23
+dnl CF_WITH_PATHLIST version: 7 updated: 2010/10/23 16:10:30
 dnl ----------------
 dnl Process an option specifying a list of colon-separated paths.
 dnl
@@ -5715,9 +6240,9 @@ dnl
 AC_DEFUN([CF_WITH_PATHLIST],[
 AC_REQUIRE([CF_PATHSEP])
 AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
-ifelse($4,,[withval=${$3}],[withval=${$3-ifelse($5,,$4,$5)}]))dnl
+ifelse($4,,[withval=${$3}],[withval=${$3:-ifelse($5,,$4,$5)}]))dnl
 
-IFS="${IFS   }"; ac_save_ifs="$IFS"; IFS="${PATH_SEPARATOR}"
+IFS="${IFS:-   }"; ac_save_ifs="$IFS"; IFS="${PATH_SEPARATOR}"
 cf_dst_path=
 for cf_src_path in $withval
 do
@@ -5743,7 +6268,7 @@ AC_SUBST($3)dnl
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PTHREAD version: 2 updated: 2008/08/23 18:26:05
+dnl CF_WITH_PTHREAD version: 3 updated: 2010/05/29 16:31:02
 dnl ---------------
 dnl Check for POSIX thread library.
 AC_DEFUN([CF_WITH_PTHREAD],
@@ -5761,7 +6286,7 @@ if test "$with_pthread" != no ; then
 
         AC_MSG_CHECKING(if we can link with the pthread library)
         cf_save_LIBS="$LIBS"
-        LIBS="-lpthread $LIBS"
+        CF_ADD_LIB(pthread)
         AC_TRY_LINK([
 #include <pthread.h>
 ],[
@@ -5771,7 +6296,7 @@ if test "$with_pthread" != no ; then
         AC_MSG_RESULT($with_pthread)
 
         if test "$with_pthread" = yes ; then
-            LIBS="-lpthread $LIBS"
+            CF_ADD_LIB(pthread)
             AC_DEFINE(HAVE_LIBPTHREADS)
         else
             AC_MSG_ERROR(Cannot link with pthread library)
@@ -5843,7 +6368,7 @@ CF_NO_LEAKS_OPTION(valgrind,
        [USE_VALGRIND])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 32 updated: 2010/01/09 11:05:50
+dnl CF_XOPEN_SOURCE version: 35 updated: 2011/02/20 20:37:37
 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,
@@ -5854,14 +6379,17 @@ dnl     $1 is the nominal value for _XOPEN_SOURCE
 dnl    $2 is the nominal value for _POSIX_C_SOURCE
 AC_DEFUN([CF_XOPEN_SOURCE],[
 
-cf_XOPEN_SOURCE=ifelse($1,,500,$1)
-cf_POSIX_C_SOURCE=ifelse($2,,199506L,$2)
+cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
+cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
 cf_xopen_source=
 
 case $host_os in #(vi
 aix[[456]]*) #(vi
        cf_xopen_source="-D_ALL_SOURCE"
        ;;
+cygwin) #(vi
+       cf_XOPEN_SOURCE=600
+       ;;
 darwin[[0-8]].*) #(vi
        cf_xopen_source="-D_APPLE_C_SOURCE"
        ;;
@@ -5906,7 +6434,10 @@ nto-qnx*) #(vi
 sco*) #(vi
        # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
        ;;
-solaris*) #(vi
+solaris2.1[[0-9]]) #(vi
+       cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+       ;;
+solaris2.[[1-9]]) #(vi
        cf_xopen_source="-D__EXTENSIONS__"
        ;;
 *)