Synchronise with coreutils 2.95. Gettext now synced with coreutils,

so no longer development platform requirement


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1394 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 177 insertions, 215 deletions

diff --git a/m4/gettext.m4 b/m4/gettext.m4
index 45cad855..624a8078 100644
--- a/m4/gettext.m4
+++ b/m4/gettext.m4
@@ -1,10 +1,8 @@
-# gettext.m4 serial 17 (gettext-0.11.5)
-dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# gettext.m4 serial 37 (gettext-0.14.4)
+dnl Copyright (C) 1995-2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
 dnl
 dnl This file can can be used in projects which are not available under
 dnl the GNU General Public License or the GNU Library General Public
@@ -17,7 +15,7 @@ dnl They are *not* in the public domain.
 
 dnl Authors:
 dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
-dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2002.
+dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
 
 dnl Macro to add for using GNU gettext.
 
@@ -65,8 +63,8 @@ AC_DEFUN([AM_GNU_GETTEXT],
   ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], ,
     [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
 ])])])])
-  define(gt_included_intl, ifelse([$1], [external], [no], [yes]))
-  define(gt_libtool_suffix_prefix, ifelse([$1], [use-libtool], [l], []))
+  define([gt_included_intl], ifelse([$1], [external], [no], [yes]))
+  define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], []))
 
   AC_REQUIRE([AM_PO_SUBDIRS])dnl
   ifelse(gt_included_intl, yes, [
@@ -92,13 +90,11 @@ AC_DEFUN([AM_GNU_GETTEXT],
     AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
   ])
 
-  AC_MSG_CHECKING([whether NLS is requested])
-  dnl Default is enabled NLS
-  AC_ARG_ENABLE(nls,
-    [  --disable-nls           do not use Native Language Support],
-    USE_NLS=$enableval, USE_NLS=yes)
-  AC_MSG_RESULT($USE_NLS)
-  AC_SUBST(USE_NLS)
+  dnl Sometimes, on MacOS X, libintl requires linking with CoreFoundation.
+  gt_INTL_MACOSX
+
+  dnl Set USE_NLS.
+  AM_NLS
 
   ifelse(gt_included_intl, yes, [
     BUILD_INCLUDED_LIBINTL=no
@@ -143,7 +139,7 @@ changequote([,])dnl
 ], [])[extern int _nl_msg_cat_cntr;
 extern int *_nl_domain_bindings;],
             [bindtextdomain ("", "");
-return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
+return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
             gt_cv_func_gnugettext_libc=yes,
             gt_cv_func_gnugettext_libc=no)])
 
@@ -177,9 +173,9 @@ extern
 #ifdef __cplusplus
 "C"
 #endif
-const char *_nl_expand_alias ();],
+const char *_nl_expand_alias (const char *);],
               [bindtextdomain ("", "");
-return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
+return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
               gt_cv_func_gnugettext_libintl=yes,
               gt_cv_func_gnugettext_libintl=no)
             dnl Now see whether libintl exists and depends on libiconv.
@@ -198,9 +194,9 @@ extern
 #ifdef __cplusplus
 "C"
 #endif
-const char *_nl_expand_alias ();],
+const char *_nl_expand_alias (const char *);],
                 [bindtextdomain ("", "");
-return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
+return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
                [LIBINTL="$LIBINTL $LIBICONV"
                 LTLIBINTL="$LTLIBINTL $LTLIBICONV"
                 gt_cv_func_gnugettext_libintl=yes
@@ -216,7 +212,8 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
         dnl libintl.  (Cf. the install rule in intl/Makefile.in.)
         if test "$gt_cv_func_gnugettext_libc" = "yes" \
            || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
-                && test "$PACKAGE" != gettext; }; then
+                && test "$PACKAGE" != gettext-runtime \
+                && test "$PACKAGE" != gettext-tools; }; then
           gt_use_preinstalled_gnugettext=yes
         else
           dnl Reset the values set by searching for libintl.
@@ -235,7 +232,6 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
 
       if test "$nls_cv_use_gnu_gettext" = "yes"; then
         dnl Mark actions used to generate GNU NLS library.
-        INTLOBJS="\$(GETTOBJS)"
         BUILD_INCLUDED_LIBINTL=yes
         USE_INCLUDED_LIBINTL=yes
         LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV"
@@ -243,6 +239,7 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
         LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
       fi
 
+      CATOBJEXT=
       if test "$gt_use_preinstalled_gnugettext" = "yes" \
          || test "$nls_cv_use_gnu_gettext" = "yes"; then
         dnl Mark actions to use GNU gettext tools.
@@ -250,6 +247,15 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
       fi
     ])
 
+    if test -n "$INTL_MACOSX_LIBS"; then
+      if test "$gt_use_preinstalled_gnugettext" = "yes" \
+         || test "$nls_cv_use_gnu_gettext" = "yes"; then
+        dnl Some extra flags are needed during linking.
+        LIBINTL="$LIBINTL $INTL_MACOSX_LIBS"
+        LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS"
+      fi
+    fi
+
     if test "$gt_use_preinstalled_gnugettext" = "yes" \
        || test "$nls_cv_use_gnu_gettext" = "yes"; then
       AC_DEFINE(ENABLE_NLS, 1,
@@ -260,6 +266,22 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
     fi
   fi
 
+  AC_MSG_CHECKING([whether to use NLS])
+  AC_MSG_RESULT([$USE_NLS])
+  if test "$USE_NLS" = "yes"; then
+    AC_MSG_CHECKING([where the gettext function comes from])
+    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
+      if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
+        gt_source="external libintl"
+      else
+        gt_source="libc"
+      fi
+    else
+      gt_source="included intl directory"
+    fi
+    AC_MSG_RESULT([$gt_source])
+  fi
+
   if test "$USE_NLS" = "yes"; then
 
     if test "$gt_use_preinstalled_gnugettext" = "yes"; then
@@ -283,7 +305,7 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
   ifelse(gt_included_intl, yes, [
     dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
     dnl to 'yes' because some of the testsuite requires it.
-    if test "$PACKAGE" = gettext; then
+    if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then
       BUILD_INCLUDED_LIBINTL=yes
     fi
 
@@ -291,7 +313,6 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
     AC_SUBST(BUILD_INCLUDED_LIBINTL)
     AC_SUBST(USE_INCLUDED_LIBINTL)
     AC_SUBST(CATOBJEXT)
-    AC_SUBST(INTLOBJS)
 
     dnl For backward compatibility. Some configure.ins may be using this.
     nls_cv_header_intl=
@@ -309,6 +330,13 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
     GENCAT=gencat
     AC_SUBST(GENCAT)
 
+    dnl For backward compatibility. Some Makefiles may be using this.
+    INTLOBJS=
+    if test "$USE_INCLUDED_LIBINTL" = yes; then
+      INTLOBJS="\$(GETTOBJS)"
+    fi
+    AC_SUBST(INTLOBJS)
+
     dnl Enable libtool support if the surrounding package wishes it.
     INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
     AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
@@ -325,179 +353,6 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
 ])
 
 
-dnl Checks for all prerequisites of the po subdirectory,
-dnl except for USE_NLS.
-AC_DEFUN([AM_PO_SUBDIRS],
-[
-  AC_REQUIRE([AC_PROG_MAKE_SET])dnl
-  AC_REQUIRE([AC_PROG_INSTALL])dnl
-  AC_REQUIRE([AM_MKINSTALLDIRS])dnl
-
-  dnl Perform the following tests also if --disable-nls has been given,
-  dnl because they are needed for "make dist" to work.
-
-  dnl Search for GNU msgfmt in the PATH.
-  dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
-  dnl The second test excludes FreeBSD msgfmt.
-  AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
-    [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1 &&
-     (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
-    :)
-  AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
-
-  dnl Search for GNU xgettext 0.11 or newer in the PATH.
-  dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
-  dnl The second test excludes FreeBSD xgettext.
-  AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-    [$ac_dir/$ac_word --omit-header --copyright-holder= /dev/null >/dev/null 2>&1 &&
-     (if $ac_dir/$ac_word --omit-header --copyright-holder= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
-    :)
-  dnl Remove leftover from FreeBSD xgettext call.
-  rm -f messages.po
-
-  dnl Search for GNU msgmerge 0.11 or newer in the PATH.
-  AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
-    [$ac_dir/$ac_word --update -q /dev/null /dev/null >/dev/null 2>&1], :)
-
-  dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
-  dnl Test whether we really found GNU msgfmt.
-  if test "$GMSGFMT" != ":"; then
-    dnl If it is no GNU msgfmt we define it as : so that the
-    dnl Makefiles still can work.
-    if $GMSGFMT --statistics /dev/null >/dev/null 2>&1 &&
-       (if $GMSGFMT --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
-      : ;
-    else
-      GMSGFMT=`echo "$GMSGFMT" | sed -e 's,^.*/,,'`
-      AC_MSG_RESULT(
-        [found $GMSGFMT program is not GNU msgfmt; ignore it])
-      GMSGFMT=":"
-    fi
-  fi
-
-  dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
-  dnl Test whether we really found GNU xgettext.
-  if test "$XGETTEXT" != ":"; then
-    dnl If it is no GNU xgettext we define it as : so that the
-    dnl Makefiles still can work.
-    if $XGETTEXT --omit-header --copyright-holder= /dev/null >/dev/null 2>&1 &&
-       (if $XGETTEXT --omit-header --copyright-holder= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
-      : ;
-    else
-      AC_MSG_RESULT(
-        [found xgettext program is not GNU xgettext; ignore it])
-      XGETTEXT=":"
-    fi
-    dnl Remove leftover from FreeBSD xgettext call.
-    rm -f messages.po
-  fi
-
-  AC_OUTPUT_COMMANDS([
-    for ac_file in $CONFIG_FILES; do
-      # Support "outfile[:infile[:infile...]]"
-      case "$ac_file" in
-        *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
-      esac
-      # PO directories have a Makefile.in generated from Makefile.in.in.
-      case "$ac_file" in */Makefile.in)
-        # Adjust a relative srcdir.
-        ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
-        ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
-        ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
-        # In autoconf-2.13 it is called $ac_given_srcdir.
-        # In autoconf-2.50 it is called $srcdir.
-        test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
-        case "$ac_given_srcdir" in
-          .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
-          /*) top_srcdir="$ac_given_srcdir" ;;
-          *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
-        esac
-        if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
-          rm -f "$ac_dir/POTFILES"
-          test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
-          cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ 	]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
-          # ALL_LINGUAS, POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES depend
-          # on $ac_dir but don't depend on user-specified configuration
-          # parameters.
-          if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
-            # The LINGUAS file contains the set of available languages.
-            if test -n "$ALL_LINGUAS"; then
-              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
-            fi
-            ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
-            # Hide the ALL_LINGUAS assigment from automake.
-            eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
-          fi
-          case "$ac_given_srcdir" in
-            .) srcdirpre= ;;
-            *) srcdirpre='$(srcdir)/' ;;
-          esac
-          POFILES=
-          GMOFILES=
-          UPDATEPOFILES=
-          DUMMYPOFILES=
-          for lang in $ALL_LINGUAS; do
-            POFILES="$POFILES $srcdirpre$lang.po"
-            GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
-            UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
-            DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
-          done
-          # CATALOGS depends on both $ac_dir and the user's LINGUAS
-          # environment variable.
-          INST_LINGUAS=
-          if test -n "$ALL_LINGUAS"; then
-            for presentlang in $ALL_LINGUAS; do
-              useit=no
-              if test "%UNSET%" != "$LINGUAS"; then
-                desiredlanguages="$LINGUAS"
-              else
-                desiredlanguages="$ALL_LINGUAS"
-              fi
-              for desiredlang in $desiredlanguages; do
-                # Use the presentlang catalog if desiredlang is
-                #   a. equal to presentlang, or
-                #   b. a variant of presentlang (because in this case,
-                #      presentlang can be used as a fallback for messages
-                #      which are not translated in the desiredlang catalog).
-                case "$desiredlang" in
-                  "$presentlang"*) useit=yes;;
-                esac
-              done
-              if test $useit = yes; then
-                INST_LINGUAS="$INST_LINGUAS $presentlang"
-              fi
-            done
-          fi
-          CATALOGS=
-          if test -n "$INST_LINGUAS"; then
-            for lang in $INST_LINGUAS; do
-              CATALOGS="$CATALOGS $lang.gmo"
-            done
-          fi
-          test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
-          sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
-          for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
-            if test -f "$f"; then
-              case "$f" in
-                *.orig | *.bak | *~) ;;
-                *) cat "$f" >> "$ac_dir/Makefile" ;;
-              esac
-            fi
-          done
-        fi
-        ;;
-      esac
-    done],
-   [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
-    # POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES, CATALOGS. But hide it
-    # from automake.
-    eval 'ALL_LINGUAS''="$ALL_LINGUAS"'
-    # Capture the value of LINGUAS because we need it to compute CATALOGS.
-    LINGUAS="${LINGUAS-%UNSET%}"
-   ])
-])
-
-
 dnl Checks for all prerequisites of the intl subdirectory,
 dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
 dnl            USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
@@ -507,31 +362,90 @@ AC_DEFUN([AM_INTL_SUBDIR],
   AC_REQUIRE([AM_MKINSTALLDIRS])dnl
   AC_REQUIRE([AC_PROG_CC])dnl
   AC_REQUIRE([AC_CANONICAL_HOST])dnl
+  AC_REQUIRE([gt_GLIBC2])dnl
   AC_REQUIRE([AC_PROG_RANLIB])dnl
   AC_REQUIRE([AC_ISC_POSIX])dnl
   AC_REQUIRE([AC_HEADER_STDC])dnl
   AC_REQUIRE([AC_C_CONST])dnl
+  AC_REQUIRE([bh_C_SIGNED])dnl
   AC_REQUIRE([AC_C_INLINE])dnl
   AC_REQUIRE([AC_TYPE_OFF_T])dnl
   AC_REQUIRE([AC_TYPE_SIZE_T])dnl
+  AC_REQUIRE([gl_AC_TYPE_LONG_LONG])dnl
+  AC_REQUIRE([gt_TYPE_LONGDOUBLE])dnl
+  AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
+  AC_REQUIRE([gt_TYPE_WINT_T])dnl
+  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+  AC_REQUIRE([gt_TYPE_INTMAX_T])
+  AC_REQUIRE([gt_PRINTF_POSIX])
   AC_REQUIRE([AC_FUNC_ALLOCA])dnl
   AC_REQUIRE([AC_FUNC_MMAP])dnl
-  AC_REQUIRE([jm_GLIBC21])dnl
+  AC_REQUIRE([gl_GLIBC21])dnl
   AC_REQUIRE([gt_INTDIV0])dnl
-  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])dnl
+  AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
   AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
   AC_REQUIRE([gt_INTTYPES_PRI])dnl
+  AC_REQUIRE([gl_XSIZE])dnl
+  AC_REQUIRE([gt_INTL_MACOSX])dnl
 
+  AC_CHECK_TYPE([ptrdiff_t], ,
+    [AC_DEFINE([ptrdiff_t], [long],
+       [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
+    ])
   AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
 stdlib.h string.h unistd.h sys/param.h])
-  AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getc_unlocked getcwd getegid \
-geteuid getgid getuid mempcpy munmap putenv setenv setlocale stpcpy \
-strcasecmp strdup strtoul tsearch __argz_count __argz_stringify __argz_next])
+  AC_CHECK_FUNCS([asprintf fwprintf getcwd getegid geteuid getgid getuid \
+mempcpy munmap putenv setenv setlocale snprintf stpcpy strcasecmp strdup \
+strtoul tsearch wcslen __argz_count __argz_stringify __argz_next \
+__fsetlocking])
+
+  dnl Use the _snprintf function only if it is declared (because on NetBSD it
+  dnl is defined as a weak alias of snprintf; we prefer to use the latter).
+  gt_CHECK_DECL(_snprintf, [#include <stdio.h>])
+  gt_CHECK_DECL(_snwprintf, [#include <stdio.h>])
+
+  dnl Use the *_unlocked functions only if they are declared.
+  dnl (because some of them were defined without being declared in Solaris
+  dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
+  dnl on Solaris 2.5.1 to run on Solaris 2.6).
+  dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
+  gt_CHECK_DECL(feof_unlocked, [#include <stdio.h>])
+  gt_CHECK_DECL(fgets_unlocked, [#include <stdio.h>])
+  gt_CHECK_DECL(getc_unlocked, [#include <stdio.h>])
+
+  case $gt_cv_func_printf_posix in
+    *yes) HAVE_POSIX_PRINTF=1 ;;
+    *) HAVE_POSIX_PRINTF=0 ;;
+  esac
+  AC_SUBST([HAVE_POSIX_PRINTF])
+  if test "$ac_cv_func_asprintf" = yes; then
+    HAVE_ASPRINTF=1
+  else
+    HAVE_ASPRINTF=0
+  fi
+  AC_SUBST([HAVE_ASPRINTF])
+  if test "$ac_cv_func_snprintf" = yes; then
+    HAVE_SNPRINTF=1
+  else
+    HAVE_SNPRINTF=0
+  fi
+  AC_SUBST([HAVE_SNPRINTF])
+  if test "$ac_cv_func_wprintf" = yes; then
+    HAVE_WPRINTF=1
+  else
+    HAVE_WPRINTF=0
+  fi
+  AC_SUBST([HAVE_WPRINTF])
 
   AM_ICONV
   AM_LANGINFO_CODESET
   if test $ac_cv_header_locale_h = yes; then
-    AM_LC_MESSAGES
+    gt_LC_MESSAGES
+  fi
+
+  if test -n "$INTL_MACOSX_LIBS"; then
+    CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
   fi
 
   dnl intl/plural.c is generated from intl/plural.y. It requires bison,
@@ -567,19 +481,67 @@ changequote([,])dnl
 ])
 
 
-AC_DEFUN([AM_MKINSTALLDIRS],
+dnl Checks for special options needed on MacOS X.
+dnl Defines INTL_MACOSX_LIBS.
+AC_DEFUN([gt_INTL_MACOSX],
 [
-  dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
-  dnl find the mkinstalldirs script in another subdir but $(top_srcdir).
-  dnl Try to locate is.
-  MKINSTALLDIRS=
-  if test -n "$ac_aux_dir"; then
-    MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
+  dnl Check for API introduced in MacOS X 10.2.
+  AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
+    gt_cv_func_CFPreferencesCopyAppValue,
+    [gt_save_CPPFLAGS="$CPPFLAGS"
+     CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
+     gt_save_LIBS="$LIBS"
+     LIBS="$LIBS -framework CoreFoundation"
+     AC_TRY_LINK([#include <CFPreferences.h>],
+       [CFPreferencesCopyAppValue(NULL, NULL)],
+       [gt_cv_func_CFPreferencesCopyAppValue=yes],
+       [gt_cv_func_CFPreferencesCopyAppValue=no])
+     CPPFLAGS="$gt_save_CPPFLAGS"
+     LIBS="$gt_save_LIBS"])
+  if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then
+    AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], 1,
+      [Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
+  fi
+  dnl Check for API introduced in MacOS X 10.3.
+  AC_CACHE_CHECK([for CFLocaleCopyCurrent], gt_cv_func_CFLocaleCopyCurrent,
+    [gt_save_CPPFLAGS="$CPPFLAGS"
+     CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
+     gt_save_LIBS="$LIBS"
+     LIBS="$LIBS -framework CoreFoundation"
+     AC_TRY_LINK([#include <CFLocale.h>], [CFLocaleCopyCurrent();],
+       [gt_cv_func_CFLocaleCopyCurrent=yes],
+       [gt_cv_func_CFLocaleCopyCurrent=no])
+     CPPFLAGS="$gt_save_CPPFLAGS"
+     LIBS="$gt_save_LIBS"])
+  if test $gt_cv_func_CFLocaleCopyCurrent = yes; then
+    AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], 1,
+      [Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the CoreFoundation framework.])
+  fi
+  INTL_MACOSX_LIBS=
+  if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then
+    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
   fi
-  if test -z "$MKINSTALLDIRS"; then
-    MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
+  AC_SUBST([INTL_MACOSX_LIBS])
+])
+
+
+dnl gt_CHECK_DECL(FUNC, INCLUDES)
+dnl Check whether a function is declared.
+AC_DEFUN([gt_CHECK_DECL],
+[
+  AC_CACHE_CHECK([whether $1 is declared], ac_cv_have_decl_$1,
+    [AC_TRY_COMPILE([$2], [
+#ifndef $1
+  char *p = (char *) $1;
+#endif
+], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)])
+  if test $ac_cv_have_decl_$1 = yes; then
+    gt_value=1
+  else
+    gt_value=0
   fi
-  AC_SUBST(MKINSTALLDIRS)
+  AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
+    [Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
 ])