gettext update

25 files changed, 589 insertions, 502 deletions

diff --git a/m4/codeset.m4 b/m4/codeset.m4
index 59535ebc..223955b4 100644
--- a/m4/codeset.m4
+++ b/m4/codeset.m4
@@ -1,10 +1,8 @@
-# codeset.m4 serial AM1 (gettext-0.10.40)
-dnl Copyright (C) 2000-2002 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.
+# codeset.m4 serial 2 (gettext-0.16)
+dnl Copyright (C) 2000-2002, 2006 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 From Bruno Haible.
 
@@ -12,7 +10,7 @@ AC_DEFUN([AM_LANGINFO_CODESET],
 [
   AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
     [AC_TRY_LINK([#include <langinfo.h>],
-      [char* cs = nl_langinfo(CODESET);],
+      [char* cs = nl_langinfo(CODESET); return !cs;],
       am_cv_langinfo_codeset=yes,
       am_cv_langinfo_codeset=no)
     ])
diff --git a/m4/gettext.m4 b/m4/gettext.m4
index a374f03f..91c345e9 100644
--- a/m4/gettext.m4
+++ b/m4/gettext.m4
@@ -1,10 +1,8 @@
-# gettext.m4 serial 28 (gettext-0.13)
-dnl Copyright (C) 1995-2003 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 59 (gettext-0.16.1)
+dnl Copyright (C) 1995-2006 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>, 2000-2003.
+dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2006.
 
 dnl Macro to add for using GNU gettext.
 
@@ -65,8 +63,13 @@ 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],
+      ifdef([AM_GNU_GETTEXT_][INTL_SUBDIR], [yes], [no]),
+      [yes]))
+  define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], []))
+  gt_NEEDS_INIT
+  AM_GNU_GETTEXT_NEED([$2])
 
   AC_REQUIRE([AM_PO_SUBDIRS])dnl
   ifelse(gt_included_intl, yes, [
@@ -80,7 +83,7 @@ AC_DEFUN([AM_GNU_GETTEXT],
   dnl Sometimes libintl requires libiconv, so first search for libiconv.
   dnl Ideally we would do this search only after the
   dnl      if test "$USE_NLS" = "yes"; then
-  dnl        if test "$gt_cv_func_gnugettext_libc" != "yes"; then
+  dnl        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
   dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
   dnl the configure script would need to contain the same shell code
   dnl again, outside any 'if'. There are two solutions:
@@ -92,8 +95,11 @@ AC_DEFUN([AM_GNU_GETTEXT],
     AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
   ])
 
+  dnl Sometimes, on MacOS X, libintl requires linking with CoreFoundation.
+  gt_INTL_MACOSX
+
   dnl Set USE_NLS.
-  AM_NLS
+  AC_REQUIRE([AM_NLS])
 
   ifelse(gt_included_intl, yes, [
     BUILD_INCLUDED_LIBINTL=no
@@ -103,6 +109,15 @@ AC_DEFUN([AM_GNU_GETTEXT],
   LTLIBINTL=
   POSUB=
 
+  dnl Add a version number to the cache macros.
+  case " $gt_needs " in
+    *" need-formatstring-macros "*) gt_api_version=3 ;;
+    *" need-ngettext "*) gt_api_version=2 ;;
+    *) gt_api_version=1 ;;
+  esac
+  gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc"
+  gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl"
+
   dnl If we use NLS figure out what method
   if test "$USE_NLS" = "yes"; then
     gt_use_preinstalled_gnugettext=no
@@ -121,28 +136,35 @@ AC_DEFUN([AM_GNU_GETTEXT],
         dnl to use.  If GNU gettext is available we use this.  Else we have
         dnl to fall back to GNU NLS library.
 
-        dnl Add a version number to the cache macros.
-        define([gt_api_version], ifelse([$2], [need-formatstring-macros], 3, ifelse([$2], [need-ngettext], 2, 1)))
-        define([gt_cv_func_gnugettext_libc], [gt_cv_func_gnugettext]gt_api_version[_libc])
-        define([gt_cv_func_gnugettext_libintl], [gt_cv_func_gnugettext]gt_api_version[_libintl])
-
-        AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
-         [AC_TRY_LINK([#include <libintl.h>
-]ifelse([$2], [need-formatstring-macros],
-[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
+        if test $gt_api_version -ge 3; then
+          gt_revision_test_code='
+#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
 #define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
 #endif
 changequote(,)dnl
 typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
 changequote([,])dnl
-], [])[extern int _nl_msg_cat_cntr;
+'
+        else
+          gt_revision_test_code=
+        fi
+        if test $gt_api_version -ge 2; then
+          gt_expression_test_code=' + * ngettext ("", "", 0)'
+        else
+          gt_expression_test_code=
+        fi
+
+        AC_CACHE_CHECK([for GNU gettext in libc], [$gt_func_gnugettext_libc],
+         [AC_TRY_LINK([#include <libintl.h>
+$gt_revision_test_code
+extern int _nl_msg_cat_cntr;
 extern int *_nl_domain_bindings;],
             [bindtextdomain ("", "");
-return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
-            gt_cv_func_gnugettext_libc=yes,
-            gt_cv_func_gnugettext_libc=no)])
+return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_domain_bindings],
+            [eval "$gt_func_gnugettext_libc=yes"],
+            [eval "$gt_func_gnugettext_libc=no"])])
 
-        if test "$gt_cv_func_gnugettext_libc" != "yes"; then
+        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
           dnl Sometimes libintl requires libiconv, so first search for libiconv.
           ifelse(gt_included_intl, yes, , [
             AM_ICONV_LINK
@@ -153,52 +175,40 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
           dnl even if libiconv doesn't exist.
           AC_LIB_LINKFLAGS_BODY([intl])
           AC_CACHE_CHECK([for GNU gettext in libintl],
-            gt_cv_func_gnugettext_libintl,
+            [$gt_func_gnugettext_libintl],
            [gt_save_CPPFLAGS="$CPPFLAGS"
             CPPFLAGS="$CPPFLAGS $INCINTL"
             gt_save_LIBS="$LIBS"
             LIBS="$LIBS $LIBINTL"
             dnl Now see whether libintl exists and does not depend on libiconv.
             AC_TRY_LINK([#include <libintl.h>
-]ifelse([$2], [need-formatstring-macros],
-[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
-#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
-#endif
-changequote(,)dnl
-typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
-changequote([,])dnl
-], [])[extern int _nl_msg_cat_cntr;
+$gt_revision_test_code
+extern int _nl_msg_cat_cntr;
 extern
 #ifdef __cplusplus
 "C"
 #endif
-const char *_nl_expand_alias ();],
+const char *_nl_expand_alias (const char *);],
               [bindtextdomain ("", "");
-return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
-              gt_cv_func_gnugettext_libintl=yes,
-              gt_cv_func_gnugettext_libintl=no)
+return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
+              [eval "$gt_func_gnugettext_libintl=yes"],
+              [eval "$gt_func_gnugettext_libintl=no"])
             dnl Now see whether libintl exists and depends on libiconv.
-            if test "$gt_cv_func_gnugettext_libintl" != yes && test -n "$LIBICONV"; then
+            if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } && test -n "$LIBICONV"; then
               LIBS="$LIBS $LIBICONV"
               AC_TRY_LINK([#include <libintl.h>
-]ifelse([$2], [need-formatstring-macros],
-[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
-#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
-#endif
-changequote(,)dnl
-typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
-changequote([,])dnl
-], [])[extern int _nl_msg_cat_cntr;
+$gt_revision_test_code
+extern int _nl_msg_cat_cntr;
 extern
 #ifdef __cplusplus
 "C"
 #endif
-const char *_nl_expand_alias ();],
+const char *_nl_expand_alias (const char *);],
                 [bindtextdomain ("", "");
-return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
+return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
                [LIBINTL="$LIBINTL $LIBICONV"
                 LTLIBINTL="$LTLIBINTL $LTLIBICONV"
-                gt_cv_func_gnugettext_libintl=yes
+                eval "$gt_func_gnugettext_libintl=yes"
                ])
             fi
             CPPFLAGS="$gt_save_CPPFLAGS"
@@ -209,8 +219,8 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
         dnl use it.  But if this macro is used in GNU gettext, and GNU
         dnl gettext is already preinstalled in libintl, we update this
         dnl libintl.  (Cf. the install rule in intl/Makefile.in.)
-        if test "$gt_cv_func_gnugettext_libc" = "yes" \
-           || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
+        if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \
+           || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \
                 && test "$PACKAGE" != gettext-runtime \
                 && test "$PACKAGE" != gettext-tools; }; then
           gt_use_preinstalled_gnugettext=yes
@@ -233,11 +243,12 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
         dnl Mark actions used to generate GNU NLS library.
         BUILD_INCLUDED_LIBINTL=yes
         USE_INCLUDED_LIBINTL=yes
-        LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV"
-        LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV"
+        LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV $LIBTHREAD"
+        LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV $LTLIBTHREAD"
         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.
@@ -245,6 +256,15 @@ 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,
@@ -260,7 +280,7 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
   if test "$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
+      if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
         gt_source="external libintl"
       else
         gt_source="libc"
@@ -274,7 +294,7 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
   if test "$USE_NLS" = "yes"; then
 
     if test "$gt_use_preinstalled_gnugettext" = "yes"; then
-      if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
+      if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
         AC_MSG_CHECKING([how to link with libintl])
         AC_MSG_RESULT([$LIBINTL])
         AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
@@ -320,6 +340,7 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
     AC_SUBST(GENCAT)
 
     dnl For backward compatibility. Some Makefiles may be using this.
+    INTLOBJS=
     if test "$USE_INCLUDED_LIBINTL" = yes; then
       INTLOBJS="\$(GETTOBJS)"
     fi
@@ -341,145 +362,56 @@ return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("",
 ])
 
 
-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.
-AC_DEFUN([AM_INTL_SUBDIR],
+dnl Checks for special options needed on MacOS X.
+dnl Defines INTL_MACOSX_LIBS.
+AC_DEFUN([gt_INTL_MACOSX],
 [
-  AC_REQUIRE([AC_PROG_INSTALL])dnl
-  AC_REQUIRE([AM_MKINSTALLDIRS])dnl
-  AC_REQUIRE([AC_PROG_CC])dnl
-  AC_REQUIRE([AC_CANONICAL_HOST])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([jm_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([jm_AC_HEADER_INTTYPES_H])
-  AC_REQUIRE([jm_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([gt_INTDIV0])dnl
-  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])dnl
-  AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
-  AC_REQUIRE([gt_INTTYPES_PRI])dnl
-  AC_REQUIRE([gl_XSIZE])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([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
+  dnl Check for API introduced in MacOS X 10.2.
+  AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
+    gt_cv_func_CFPreferencesCopyAppValue,
+    [gt_save_LIBS="$LIBS"
+     LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
+     AC_TRY_LINK([#include <CoreFoundation/CFPreferences.h>],
+       [CFPreferencesCopyAppValue(NULL, NULL)],
+       [gt_cv_func_CFPreferencesCopyAppValue=yes],
+       [gt_cv_func_CFPreferencesCopyAppValue=no])
+     LIBS="$gt_save_LIBS"])
+  if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then
+    AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], 1,
+      [Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
   fi
-  AC_SUBST([HAVE_ASPRINTF])
-  if test "$ac_cv_func_snprintf" = yes; then
-    HAVE_SNPRINTF=1
-  else
-    HAVE_SNPRINTF=0
+  dnl Check for API introduced in MacOS X 10.3.
+  AC_CACHE_CHECK([for CFLocaleCopyCurrent], gt_cv_func_CFLocaleCopyCurrent,
+    [gt_save_LIBS="$LIBS"
+     LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
+     AC_TRY_LINK([#include <CoreFoundation/CFLocale.h>], [CFLocaleCopyCurrent();],
+       [gt_cv_func_CFLocaleCopyCurrent=yes],
+       [gt_cv_func_CFLocaleCopyCurrent=no])
+     LIBS="$gt_save_LIBS"])
+  if test $gt_cv_func_CFLocaleCopyCurrent = yes; then
+    AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], 1,
+      [Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the CoreFoundation framework.])
   fi
-  AC_SUBST([HAVE_SNPRINTF])
-  if test "$ac_cv_func_wprintf" = yes; then
-    HAVE_WPRINTF=1
-  else
-    HAVE_WPRINTF=0
+  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
-  AC_SUBST([HAVE_WPRINTF])
+  AC_SUBST([INTL_MACOSX_LIBS])
+])
 
-  AM_ICONV
-  AM_LANGINFO_CODESET
-  if test $ac_cv_header_locale_h = yes; then
-    AM_LC_MESSAGES
-  fi
 
-  dnl intl/plural.c is generated from intl/plural.y. It requires bison,
-  dnl because plural.y uses bison specific features. It requires at least
-  dnl bison-1.26 because earlier versions generate a plural.c that doesn't
-  dnl compile.
-  dnl bison is only needed for the maintainer (who touches plural.y). But in
-  dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
-  dnl the rule in general Makefile. Now, some people carelessly touch the
-  dnl files or have a broken "make" program, hence the plural.c rule will
-  dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
-  dnl present or too old.
-  AC_CHECK_PROGS([INTLBISON], [bison])
-  if test -z "$INTLBISON"; then
-    ac_verc_fail=yes
-  else
-    dnl Found it, now check the version.
-    AC_MSG_CHECKING([version of bison])
-changequote(<<,>>)dnl
-    ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
-    case $ac_prog_version in
-      '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
-      1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
-changequote([,])dnl
-         ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
-      *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
-    esac
-    AC_MSG_RESULT([$ac_prog_version])
-  fi
-  if test $ac_verc_fail = yes; then
-    INTLBISON=:
-  fi
+dnl gt_NEEDS_INIT ensures that the gt_needs variable is initialized.
+m4_define([gt_NEEDS_INIT],
+[
+  m4_divert_text([DEFAULTS], [gt_needs=])
+  m4_define([gt_NEEDS_INIT], [])
 ])
 
 
-dnl gt_CHECK_DECL(FUNC, INCLUDES)
-dnl Check whether a function is declared.
-AC_DEFUN([gt_CHECK_DECL],
+dnl Usage: AM_GNU_GETTEXT_NEED([NEEDSYMBOL])
+AC_DEFUN([AM_GNU_GETTEXT_NEED],
 [
-  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_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
-    [Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
+  m4_divert_text([INIT_PREPARE], [gt_needs="$gt_needs $1"])
 ])
 
 
diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
index 9c9f3db3..d95fd986 100644
--- a/m4/glibc21.m4
+++ b/m4/glibc21.m4
@@ -1,15 +1,13 @@
-# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40)
-dnl Copyright (C) 2000-2002 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.
+# glibc21.m4 serial 3
+dnl Copyright (C) 2000-2002, 2004 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.
 
 # Test for the GNU C Library, version 2.1 or newer.
 # From Bruno Haible.
 
-AC_DEFUN([jm_GLIBC21],
+AC_DEFUN([gl_GLIBC21],
   [
     AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
       ac_cv_gnu_library_2_1,
diff --git a/m4/iconv.m4 b/m4/iconv.m4
index c5f35798..654c4158 100644
--- a/m4/iconv.m4
+++ b/m4/iconv.m4
@@ -1,10 +1,8 @@
 # iconv.m4 serial AM4 (gettext-0.11.3)
 dnl Copyright (C) 2000-2002 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.
+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 From Bruno Haible.
 
diff --git a/m4/intdiv0.m4 b/m4/intdiv0.m4
index 55dddcf1..b8d78176 100644
--- a/m4/intdiv0.m4
+++ b/m4/intdiv0.m4
@@ -1,10 +1,8 @@
 # intdiv0.m4 serial 1 (gettext-0.11.3)
 dnl Copyright (C) 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.
+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 From Bruno Haible.
 
diff --git a/m4/intmax.m4 b/m4/intmax.m4
index dfb08ccc..ce7a8a49 100644
--- a/m4/intmax.m4
+++ b/m4/intmax.m4
@@ -1,10 +1,8 @@
-# intmax.m4 serial 1 (gettext-0.12)
-dnl Copyright (C) 2002-2003 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.
+# intmax.m4 serial 3 (gettext-0.16)
+dnl Copyright (C) 2002-2005 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 From Bruno Haible.
 dnl Test whether the system has the 'intmax_t' type, but don't attempt to
@@ -12,11 +10,11 @@ dnl find a replacement if it is lacking.
 
 AC_DEFUN([gt_TYPE_INTMAX_T],
 [
-  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
-  AC_REQUIRE([jm_AC_HEADER_STDINT_H])
+  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
   AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
     [AC_TRY_COMPILE([
-#include <stddef.h> 
+#include <stddef.h>
 #include <stdlib.h>
 #if HAVE_STDINT_H_WITH_UINTMAX
 #include <stdint.h>
@@ -24,7 +22,10 @@ AC_DEFUN([gt_TYPE_INTMAX_T],
 #if HAVE_INTTYPES_H_WITH_UINTMAX
 #include <inttypes.h>
 #endif
-], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
+],     [intmax_t x = -1;
+        return !x;],
+       gt_cv_c_intmax_t=yes,
+       gt_cv_c_intmax_t=no)])
   if test $gt_cv_c_intmax_t = yes; then
     AC_DEFINE(HAVE_INTMAX_T, 1,
       [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
diff --git a/m4/inttypes-pri.m4 b/m4/inttypes-pri.m4
index fd007c31..7c7f8940 100644
--- a/m4/inttypes-pri.m4
+++ b/m4/inttypes-pri.m4
@@ -1,20 +1,20 @@
-# inttypes-pri.m4 serial 1 (gettext-0.11.4)
-dnl Copyright (C) 1997-2002 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.
+# inttypes-pri.m4 serial 4 (gettext-0.16)
+dnl Copyright (C) 1997-2002, 2006 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 From Bruno Haible.
 
+AC_PREREQ(2.52)
+
 # Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
 # macros to non-string values.  This is the case on AIX 4.3.3.
 
 AC_DEFUN([gt_INTTYPES_PRI],
 [
-  AC_REQUIRE([gt_HEADER_INTTYPES_H])
-  if test $gt_cv_header_inttypes_h = yes; then
+  AC_CHECK_HEADERS([inttypes.h])
+  if test $ac_cv_header_inttypes_h = yes; then
     AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
       gt_cv_inttypes_pri_broken,
       [
@@ -28,5 +28,9 @@ char *p = PRId32;
   if test "$gt_cv_inttypes_pri_broken" = yes; then
     AC_DEFINE_UNQUOTED(PRI_MACROS_BROKEN, 1,
       [Define if <inttypes.h> exists and defines unusable PRI* macros.])
+    PRI_MACROS_BROKEN=1
+  else
+    PRI_MACROS_BROKEN=0
   fi
+  AC_SUBST([PRI_MACROS_BROKEN])
 ])
diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4
index f342eba3..edc8ecb2 100644
--- a/m4/inttypes_h.m4
+++ b/m4/inttypes_h.m4
@@ -1,26 +1,24 @@
-# inttypes_h.m4 serial 5 (gettext-0.12)
-dnl Copyright (C) 1997-2003 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.
+# inttypes_h.m4 serial 7
+dnl Copyright (C) 1997-2004, 2006 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 From Paul Eggert.
 
 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
 # doesn't clash with <sys/types.h>, and declares uintmax_t.
 
-AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
+AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
 [
-  AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
+  AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h,
   [AC_TRY_COMPILE(
     [#include <sys/types.h>
 #include <inttypes.h>],
-    [uintmax_t i = (uintmax_t) -1;],
-    jm_ac_cv_header_inttypes_h=yes,
-    jm_ac_cv_header_inttypes_h=no)])
-  if test $jm_ac_cv_header_inttypes_h = yes; then
+    [uintmax_t i = (uintmax_t) -1; return !i;],
+    gl_cv_header_inttypes_h=yes,
+    gl_cv_header_inttypes_h=no)])
+  if test $gl_cv_header_inttypes_h = yes; then
     AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
       [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
        and declares uintmax_t. ])
diff --git a/m4/lcmessage.m4 b/m4/lcmessage.m4
index ffd4008b..19aa77e4 100644
--- a/m4/lcmessage.m4
+++ b/m4/lcmessage.m4
@@ -1,10 +1,8 @@
-# lcmessage.m4 serial 3 (gettext-0.11.3)
-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.
+# lcmessage.m4 serial 4 (gettext-0.14.2)
+dnl Copyright (C) 1995-2002, 2004-2005 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
@@ -20,12 +18,12 @@ dnl   Ulrich Drepper <drepper@cygnus.com>, 1995.
 
 # Check whether LC_MESSAGES is available in <locale.h>.
 
-AC_DEFUN([AM_LC_MESSAGES],
+AC_DEFUN([gt_LC_MESSAGES],
 [
-  AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
+  AC_CACHE_CHECK([for LC_MESSAGES], gt_cv_val_LC_MESSAGES,
     [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
-       am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
-  if test $am_cv_val_LC_MESSAGES = yes; then
+       gt_cv_val_LC_MESSAGES=yes, gt_cv_val_LC_MESSAGES=no)])
+  if test $gt_cv_val_LC_MESSAGES = yes; then
     AC_DEFINE(HAVE_LC_MESSAGES, 1,
       [Define if your <locale.h> file defines LC_MESSAGES.])
   fi
diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4
index 38aeaec1..96c4e2c3 100644
--- a/m4/lib-ld.m4
+++ b/m4/lib-ld.m4
@@ -1,10 +1,8 @@
 # lib-ld.m4 serial 3 (gettext-0.13)
 dnl Copyright (C) 1996-2003 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.
+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 Subroutines of libtool.m4,
 dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
diff --git a/m4/lib-link.m4 b/m4/lib-link.m4
index eeb200d2..f95b7ba8 100644
--- a/m4/lib-link.m4
+++ b/m4/lib-link.m4
@@ -1,13 +1,13 @@
-# lib-link.m4 serial 4 (gettext-0.12)
-dnl Copyright (C) 2001-2003 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.
+# lib-link.m4 serial 9 (gettext-0.16)
+dnl Copyright (C) 2001-2006 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 From Bruno Haible.
 
+AC_PREREQ(2.50)
+
 dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
 dnl the libraries corresponding to explicit and implicit dependencies.
 dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
@@ -95,6 +95,8 @@ dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
 dnl hardcode_direct, hardcode_minus_L.
 AC_DEFUN([AC_LIB_RPATH],
 [
+  dnl Tell automake >= 1.10 to complain if config.rpath is missing.
+  m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])])
   AC_REQUIRE([AC_PROG_CC])                dnl we use $CC, $GCC, $LDFLAGS
   AC_REQUIRE([AC_LIB_PROG_LD])            dnl we use $LD, $with_gnu_ld
   AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
@@ -124,6 +126,7 @@ dnl the libraries corresponding to explicit and implicit dependencies.
 dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
 AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
 [
+  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
   define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
                                [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
   dnl By default, look in $includedir and $libdir.
@@ -146,7 +149,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
         ])
       else
         additional_includedir="$withval/include"
-        additional_libdir="$withval/lib"
+        additional_libdir="$withval/$acl_libdirstem"
       fi
     fi
 ])
@@ -195,9 +198,16 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
           found_so=
           found_a=
           if test $use_additional = yes; then
-            if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
+            if test -n "$shlibext" \
+               && { test -f "$additional_libdir/lib$name.$shlibext" \
+                    || { test "$shlibext" = dll \
+                         && test -f "$additional_libdir/lib$name.dll.a"; }; }; then
               found_dir="$additional_libdir"
-              found_so="$additional_libdir/lib$name.$shlibext"
+              if test -f "$additional_libdir/lib$name.$shlibext"; then
+                found_so="$additional_libdir/lib$name.$shlibext"
+              else
+                found_so="$additional_libdir/lib$name.dll.a"
+              fi
               if test -f "$additional_libdir/lib$name.la"; then
                 found_la="$additional_libdir/lib$name.la"
               fi
@@ -217,9 +227,16 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
               case "$x" in
                 -L*)
                   dir=`echo "X$x" | sed -e 's/^X-L//'`
-                  if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
+                  if test -n "$shlibext" \
+                     && { test -f "$dir/lib$name.$shlibext" \
+                          || { test "$shlibext" = dll \
+                               && test -f "$dir/lib$name.dll.a"; }; }; then
                     found_dir="$dir"
-                    found_so="$dir/lib$name.$shlibext"
+                    if test -f "$dir/lib$name.$shlibext"; then
+                      found_so="$dir/lib$name.$shlibext"
+                    else
+                      found_so="$dir/lib$name.dll.a"
+                    fi
                     if test -f "$dir/lib$name.la"; then
                       found_la="$dir/lib$name.la"
                     fi
@@ -246,7 +263,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
               dnl Linking with a shared library. We attempt to hardcode its
               dnl directory into the executable's runpath, unless it's the
               dnl standard /usr/lib.
-              if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
+              if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/$acl_libdirstem"; then
                 dnl No hardcoding is needed.
                 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
               else
@@ -332,8 +349,8 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
             dnl Assume the include files are nearby.
             additional_includedir=
             case "$found_dir" in
-              */lib | */lib/)
-                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
+              */$acl_libdirstem | */$acl_libdirstem/)
+                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
                 additional_includedir="$basedir/include"
                 ;;
             esac
@@ -350,7 +367,7 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
                 if test "X$additional_includedir" = "X/usr/local/include"; then
                   if test -n "$GCC"; then
                     case $host_os in
-                      linux*) haveit=yes;;
+                      linux* | gnu* | k*bsd*-gnu) haveit=yes;;
                     esac
                   fi
                 fi
@@ -394,12 +411,12 @@ AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
                     dnl   3. if it's already present in $LDFLAGS or the already
                     dnl      constructed $LIBNAME,
                     dnl   4. if it doesn't exist as a directory.
-                    if test "X$additional_libdir" != "X/usr/lib"; then
+                    if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
                       haveit=
-                      if test "X$additional_libdir" = "X/usr/local/lib"; then
+                      if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
                         if test -n "$GCC"; then
                           case $host_os in
-                            linux*) haveit=yes;;
+                            linux* | gnu* | k*bsd*-gnu) haveit=yes;;
                           esac
                         fi
                       fi
@@ -549,3 +566,79 @@ AC_DEFUN([AC_LIB_APPENDTOVAR],
     fi
   done
 ])
+
+dnl For those cases where a variable contains several -L and -l options
+dnl referring to unknown libraries and directories, this macro determines the
+dnl necessary additional linker options for the runtime path.
+dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL])
+dnl sets LDADDVAR to linker options needed together with LIBSVALUE.
+dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed,
+dnl otherwise linking without libtool is assumed.
+AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS],
+[
+  AC_REQUIRE([AC_LIB_RPATH])
+  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
+  $1=
+  if test "$enable_rpath" != no; then
+    if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
+      dnl Use an explicit option to hardcode directories into the resulting
+      dnl binary.
+      rpathdirs=
+      next=
+      for opt in $2; do
+        if test -n "$next"; then
+          dir="$next"
+          dnl No need to hardcode the standard /usr/lib.
+          if test "X$dir" != "X/usr/$acl_libdirstem"; then
+            rpathdirs="$rpathdirs $dir"
+          fi
+          next=
+        else
+          case $opt in
+            -L) next=yes ;;
+            -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
+                 dnl No need to hardcode the standard /usr/lib.
+                 if test "X$dir" != "X/usr/$acl_libdirstem"; then
+                   rpathdirs="$rpathdirs $dir"
+                 fi
+                 next= ;;
+            *) next= ;;
+          esac
+        fi
+      done
+      if test "X$rpathdirs" != "X"; then
+        if test -n ""$3""; then
+          dnl libtool is used for linking. Use -R options.
+          for dir in $rpathdirs; do
+            $1="${$1}${$1:+ }-R$dir"
+          done
+        else
+          dnl The linker is used for linking directly.
+          if test -n "$hardcode_libdir_separator"; then
+            dnl Weird platform: only the last -rpath option counts, the user
+            dnl must pass all path elements in one option.
+            alldirs=
+            for dir in $rpathdirs; do
+              alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$dir"
+            done
+            acl_save_libdir="$libdir"
+            libdir="$alldirs"
+            eval flag=\"$hardcode_libdir_flag_spec\"
+            libdir="$acl_save_libdir"
+            $1="$flag"
+          else
+            dnl The -rpath options are cumulative.
+            for dir in $rpathdirs; do
+              acl_save_libdir="$libdir"
+              libdir="$dir"
+              eval flag=\"$hardcode_libdir_flag_spec\"
+              libdir="$acl_save_libdir"
+              $1="${$1}${$1:+ }$flag"
+            done
+          fi
+        fi
+      fi
+    fi
+  fi
+  AC_SUBST([$1])
+])
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4
index 8aff5a9d..a8684e17 100644
--- a/m4/lib-prefix.m4
+++ b/m4/lib-prefix.m4
@@ -1,10 +1,8 @@
-# lib-prefix.m4 serial 3 (gettext-0.13)
-dnl Copyright (C) 2001-2003 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.
+# lib-prefix.m4 serial 5 (gettext-0.15)
+dnl Copyright (C) 2001-2005 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 From Bruno Haible.
 
@@ -26,6 +24,7 @@ AC_DEFUN([AC_LIB_PREFIX],
   AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
   AC_REQUIRE([AC_PROG_CC])
   AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
   AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
   dnl By default, look in $includedir and $libdir.
   use_additional=yes
@@ -47,7 +46,7 @@ AC_DEFUN([AC_LIB_PREFIX],
         ])
       else
         additional_includedir="$withval/include"
-        additional_libdir="$withval/lib"
+        additional_libdir="$withval/$acl_libdirstem"
       fi
     fi
 ])
@@ -71,7 +70,7 @@ AC_DEFUN([AC_LIB_PREFIX],
         if test "X$additional_includedir" = "X/usr/local/include"; then
           if test -n "$GCC"; then
             case $host_os in
-              linux*) haveit=yes;;
+              linux* | gnu* | k*bsd*-gnu) haveit=yes;;
             esac
           fi
         fi
@@ -89,7 +88,7 @@ AC_DEFUN([AC_LIB_PREFIX],
     dnl   2. if it's already present in $LDFLAGS,
     dnl   3. if it's /usr/local/lib and we are using GCC on Linux,
     dnl   4. if it doesn't exist as a directory.
-    if test "X$additional_libdir" != "X/usr/lib"; then
+    if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
       haveit=
       for x in $LDFLAGS; do
         AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
@@ -99,7 +98,7 @@ AC_DEFUN([AC_LIB_PREFIX],
         fi
       done
       if test -z "$haveit"; then
-        if test "X$additional_libdir" = "X/usr/local/lib"; then
+        if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
           if test -n "$GCC"; then
             case $host_os in
               linux*) haveit=yes;;
@@ -153,3 +152,34 @@ AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
   exec_prefix="$acl_save_exec_prefix"
   prefix="$acl_save_prefix"
 ])
+
+dnl AC_LIB_PREPARE_MULTILIB creates a variable acl_libdirstem, containing
+dnl the basename of the libdir, either "lib" or "lib64".
+AC_DEFUN([AC_LIB_PREPARE_MULTILIB],
+[
+  dnl There is no formal standard regarding lib and lib64. The current
+  dnl practice is that on a system supporting 32-bit and 64-bit instruction
+  dnl sets or ABIs, 64-bit libraries go under $prefix/lib64 and 32-bit
+  dnl libraries go under $prefix/lib. We determine the compiler's default
+  dnl mode by looking at the compiler's library search path. If at least
+  dnl of its elements ends in /lib64 or points to a directory whose absolute
+  dnl pathname ends in /lib64, we assume a 64-bit ABI. Otherwise we use the
+  dnl default, namely "lib".
+  acl_libdirstem=lib
+  searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
+  if test -n "$searchpath"; then
+    acl_save_IFS="${IFS=        }"; IFS=":"
+    for searchdir in $searchpath; do
+      if test -d "$searchdir"; then
+        case "$searchdir" in
+          */lib64/ | */lib64 ) acl_libdirstem=lib64 ;;
+          *) searchdir=`cd "$searchdir" && pwd`
+             case "$searchdir" in
+               */lib64 ) acl_libdirstem=lib64 ;;
+             esac ;;
+        esac
+      fi
+    done
+    IFS="$acl_save_IFS"
+  fi
+])
diff --git a/m4/longdouble.m4 b/m4/longdouble.m4
index 1333d2f5..25590f47 100644
--- a/m4/longdouble.m4
+++ b/m4/longdouble.m4
@@ -1,15 +1,16 @@
-# longdouble.m4 serial 1 (gettext-0.12)
-dnl Copyright (C) 2002-2003 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.
+# longdouble.m4 serial 2 (gettext-0.15)
+dnl Copyright (C) 2002-2003, 2006 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 From Bruno Haible.
 dnl Test whether the compiler supports the 'long double' type.
 dnl Prerequisite: AC_PROG_CC
 
+dnl This file is only needed in autoconf <= 2.59.  Newer versions of autoconf
+dnl have a macro AC_TYPE_LONG_DOUBLE with identical semantics.
+
 AC_DEFUN([gt_TYPE_LONGDOUBLE],
 [
   AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
diff --git a/m4/longlong.m4 b/m4/longlong.m4
index d7d7350b..3716c09f 100644
--- a/m4/longlong.m4
+++ b/m4/longlong.m4
@@ -1,23 +1,46 @@
-# longlong.m4 serial 4
-dnl Copyright (C) 1999-2003 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.
+# longlong.m4 serial 8
+dnl Copyright (C) 1999-2006 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 From Paul Eggert.
 
-# Define HAVE_LONG_LONG if 'long long' works.
+# Define HAVE_LONG_LONG_INT if 'long long int' works.
+# This fixes a bug in Autoconf 2.60, but can be removed once we
+# assume 2.61 everywhere.
 
-AC_DEFUN([jm_AC_TYPE_LONG_LONG],
+# Note: If the type 'long long int' exists but is only 32 bits large
+# (as on some very old compilers), AC_TYPE_LONG_LONG_INT will not be
+# defined. In this case you can treat 'long long int' like 'long int'.
+
+AC_DEFUN([AC_TYPE_LONG_LONG_INT],
+[
+  AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
+    [AC_LINK_IFELSE(
+       [AC_LANG_PROGRAM(
+          [[long long int ll = 9223372036854775807ll;
+            long long int nll = -9223372036854775807LL;
+            typedef int a[((-9223372036854775807LL < 0
+                            && 0 < 9223372036854775807ll)
+                           ? 1 : -1)];
+            int i = 63;]],
+          [[long long int llmax = 9223372036854775807ll;
+            return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
+                    | (llmax / ll) | (llmax % ll));]])],
+       [ac_cv_type_long_long_int=yes],
+       [ac_cv_type_long_long_int=no])])
+  if test $ac_cv_type_long_long_int = yes; then
+    AC_DEFINE([HAVE_LONG_LONG_INT], 1,
+      [Define to 1 if the system has the type `long long int'.])
+  fi
+])
+
+# This macro is obsolescent and should go away soon.
+AC_DEFUN([gl_AC_TYPE_LONG_LONG],
 [
-  AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
-  [AC_TRY_LINK([long long ll = 1LL; int i = 63;],
-    [long long llmax = (long long) -1;
-     return ll << i | ll >> i | llmax / ll | llmax % ll;],
-    ac_cv_type_long_long=yes,
-    ac_cv_type_long_long=no)])
+  AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+  ac_cv_type_long_long=$ac_cv_type_long_long_int
   if test $ac_cv_type_long_long = yes; then
     AC_DEFINE(HAVE_LONG_LONG, 1,
       [Define if you have the 'long long' type.])
diff --git a/m4/nls.m4 b/m4/nls.m4
index 36bc4931..7967cc2f 100644
--- a/m4/nls.m4
+++ b/m4/nls.m4
@@ -1,10 +1,8 @@
-# nls.m4 serial 1 (gettext-0.12)
-dnl Copyright (C) 1995-2003 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.
+# nls.m4 serial 3 (gettext-0.15)
+dnl Copyright (C) 1995-2003, 2005-2006 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
@@ -19,6 +17,8 @@ dnl Authors:
 dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
 dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
 
+AC_PREREQ(2.50)
+
 AC_DEFUN([AM_NLS],
 [
   AC_MSG_CHECKING([whether NLS is requested])
@@ -29,21 +29,3 @@ AC_DEFUN([AM_NLS],
   AC_MSG_RESULT($USE_NLS)
   AC_SUBST(USE_NLS)
 ])
-
-AC_DEFUN([AM_MKINSTALLDIRS],
-[
-  dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
-  dnl find the mkinstalldirs script in another subdir but $(top_srcdir).
-  dnl Try to locate it.
-  MKINSTALLDIRS=
-  if test -n "$ac_aux_dir"; then
-    case "$ac_aux_dir" in
-      /*) MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs" ;;
-      *) MKINSTALLDIRS="\$(top_builddir)/$ac_aux_dir/mkinstalldirs" ;;
-    esac
-  fi
-  if test -z "$MKINSTALLDIRS"; then
-    MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
-  fi
-  AC_SUBST(MKINSTALLDIRS)
-])
diff --git a/m4/po.m4 b/m4/po.m4
index b8190a50..00133ef3 100644
--- a/m4/po.m4
+++ b/m4/po.m4
@@ -1,10 +1,8 @@
-# po.m4 serial 2 (gettext-0.13)
-dnl Copyright (C) 1995-2003 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.
+# po.m4 serial 13 (gettext-0.15)
+dnl Copyright (C) 1995-2006 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
@@ -19,12 +17,14 @@ dnl Authors:
 dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
 dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
 
+AC_PREREQ(2.50)
+
 dnl Checks for all prerequisites of the po subdirectory.
 AC_DEFUN([AM_PO_SUBDIRS],
 [
   AC_REQUIRE([AC_PROG_MAKE_SET])dnl
   AC_REQUIRE([AC_PROG_INSTALL])dnl
-  AC_REQUIRE([AM_MKINSTALLDIRS])dnl
+  AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
   AC_REQUIRE([AM_NLS])dnl
 
   dnl Perform the following tests also if --disable-nls has been given,
@@ -34,59 +34,57 @@ AC_DEFUN([AM_PO_SUBDIRS],
   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 &&
+    [$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 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 Test whether it is GNU msgfmt >= 0.15.
+changequote(,)dnl
+  case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
+    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;;
+    *) MSGFMT_015=$MSGFMT ;;
+  esac
+changequote([,])dnl
+  AC_SUBST([MSGFMT_015])
+changequote(,)dnl
+  case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
+    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;;
+    *) GMSGFMT_015=$GMSGFMT ;;
+  esac
+changequote([,])dnl
+  AC_SUBST([GMSGFMT_015])
+
   dnl Search for GNU xgettext 0.12 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= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
+    [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
      (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /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 Test whether it is GNU xgettext >= 0.15.
+changequote(,)dnl
+  case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
+    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;;
+    *) XGETTEXT_015=$XGETTEXT ;;
+  esac
+changequote([,])dnl
+  AC_SUBST([XGETTEXT_015])
+
   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], :)
+    [$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 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= --msgid-bugs-address= /dev/null >/dev/null 2>&1 &&
-       (if $XGETTEXT --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
-      : ;
-    else
-      AC_MSG_RESULT(
-        [found xgettext program is not GNU xgettext; ignore it])
-      XGETTEXT=":"
-    fi
-    dnl Remove leftover from FreeBSD xgettext call.
-    rm -f messages.po
-  fi
+  dnl Installation directories.
+  dnl Autoconf >= 2.60 defines localedir. For older versions of autoconf, we
+  dnl have to define it here, so that it can be used in po/Makefile.
+  test -n "$localedir" || localedir='${datadir}/locale'
+  AC_SUBST([localedir])
 
-  AC_OUTPUT_COMMANDS([
+  AC_CONFIG_COMMANDS([po-directories], [[
     for ac_file in $CONFIG_FILES; do
       # Support "outfile[:infile[:infile...]]"
       case "$ac_file" in
@@ -106,6 +104,9 @@ AC_DEFUN([AM_PO_SUBDIRS],
           /*) top_srcdir="$ac_given_srcdir" ;;
           *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
         esac
+        # Treat a directory as a PO directory if and only if it has a
+        # POTFILES.in file. This allows packages to have multiple PO
+        # directories under different names or in different locations.
         if test -f "$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 $ac_dir/POTFILES"
@@ -119,12 +120,13 @@ AC_DEFUN([AM_PO_SUBDIRS],
             if test -n "$OBSOLETE_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.
+            ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
+            # Hide the ALL_LINGUAS assigment from automake < 1.5.
             eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
             POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
           else
             # The set of available languages was given in configure.in.
+            # Hide the ALL_LINGUAS assigment from automake < 1.5.
             eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS'
           fi
           # Compute POFILES
@@ -194,10 +196,10 @@ AC_DEFUN([AM_PO_SUBDIRS],
         fi
         ;;
       esac
-    done],
+    done]],
    [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
     # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it
-    # from automake.
+    # from automake < 1.5.
     eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"'
     # Capture the value of LINGUAS because we need it to compute CATALOGS.
     LINGUAS="${LINGUAS-%UNSET%}"
@@ -283,7 +285,7 @@ x
 changequote([,])dnl
 
   # Set POTFILES to the value of the Makefile variable POTFILES.
-  sed_x_POTFILES="`$gt_echo \"$sed_x_variable\" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'`"
+  sed_x_POTFILES=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'`
   POTFILES=`sed -n -e "$sed_x_POTFILES" < "$ac_file"`
   # Compute POTFILES_DEPS as
   #   $(foreach file, $(POTFILES), $(top_srcdir)/$(file))
@@ -298,14 +300,14 @@ changequote([,])dnl
   fi
   if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
     # The LINGUAS file contains the set of available languages.
-    ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
+    ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
     POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
   else
     # Set ALL_LINGUAS to the value of the Makefile variable LINGUAS.
-    sed_x_LINGUAS="`$gt_echo \"$sed_x_variable\" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'`"
+    sed_x_LINGUAS=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'`
     ALL_LINGUAS_=`sed -n -e "$sed_x_LINGUAS" < "$ac_file"`
   fi
-  # Hide the ALL_LINGUAS assigment from automake.
+  # Hide the ALL_LINGUAS assigment from automake < 1.5.
   eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
   # Compute POFILES
   # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
@@ -323,6 +325,8 @@ changequote([,])dnl
   # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).qm)
   # Compute MSGFILES
   # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang)).msg)
+  # Compute RESOURCESDLLFILES
+  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang))/$(DOMAIN).resources.dll)
   case "$ac_given_srcdir" in
     .) srcdirpre= ;;
     *) srcdirpre='$(srcdir)/' ;;
@@ -335,6 +339,7 @@ changequote([,])dnl
   CLASSFILES=
   QMFILES=
   MSGFILES=
+  RESOURCESDLLFILES=
   for lang in $ALL_LINGUAS; do
     POFILES="$POFILES $srcdirpre$lang.po"
     UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
@@ -345,6 +350,8 @@ changequote([,])dnl
     QMFILES="$QMFILES $srcdirpre$lang.qm"
     frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
     MSGFILES="$MSGFILES $srcdirpre$frobbedlang.msg"
+    frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
+    RESOURCESDLLFILES="$RESOURCESDLLFILES $srcdirpre$frobbedlang/\$(DOMAIN).resources.dll"
   done
   # CATALOGS depends on both $ac_dir and the user's LINGUAS
   # environment variable.
@@ -376,6 +383,7 @@ changequote([,])dnl
   JAVACATALOGS=
   QTCATALOGS=
   TCLCATALOGS=
+  CSHARPCATALOGS=
   if test -n "$INST_LINGUAS"; then
     for lang in $INST_LINGUAS; do
       CATALOGS="$CATALOGS $lang.gmo"
@@ -383,10 +391,12 @@ changequote([,])dnl
       QTCATALOGS="$QTCATALOGS $lang.qm"
       frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
       TCLCATALOGS="$TCLCATALOGS $frobbedlang.msg"
+      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
+      CSHARPCATALOGS="$CSHARPCATALOGS $frobbedlang/\$(DOMAIN).resources.dll"
     done
   fi
 
-  sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp"
+  sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@RESOURCESDLLFILES@|$RESOURCESDLLFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e "s|@CSHARPCATALOGS@|$CSHARPCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp"
   if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then
     # Add dependencies that cannot be formulated as a simple suffix rule.
     for lang in $ALL_LINGUAS; do
@@ -398,6 +408,17 @@ $frobbedlang.msg: $lang.po
 EOF
     done
   fi
+  if grep -l '@CSHARPCATALOGS@' "$ac_file" > /dev/null; then
+    # Add dependencies that cannot be formulated as a simple suffix rule.
+    for lang in $ALL_LINGUAS; do
+      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
+      cat >> "$ac_file.tmp" <<EOF
+$frobbedlang/\$(DOMAIN).resources.dll: $lang.po
+        @echo "\$(MSGFMT) -c --csharp -d \$(srcdir) -l $lang $srcdirpre$lang.po -r \$(DOMAIN)"; \
+        \$(MSGFMT) -c --csharp -d "\$(srcdir)" -l $lang $srcdirpre$lang.po -r "\$(DOMAIN)" || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
+EOF
+    done
+  fi
   if test -n "$POMAKEFILEDEPS"; then
     cat >> "$ac_file.tmp" <<EOF
 Makefile: $POMAKEFILEDEPS
diff --git a/m4/printf-posix.m4 b/m4/printf-posix.m4
index cd6e40b5..af10170a 100644
--- a/m4/printf-posix.m4
+++ b/m4/printf-posix.m4
@@ -1,10 +1,8 @@
-# printf-posix.m4 serial 1 (gettext-0.13)
+# printf-posix.m4 serial 2 (gettext-0.13.1)
 dnl Copyright (C) 2003 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.
+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 From Bruno Haible.
 dnl Test whether the printf() function supports POSIX/XSI format strings with
@@ -30,7 +28,7 @@ int main ()
 }], gt_cv_func_printf_posix=yes, gt_cv_func_printf_posix=no,
       [
         AC_EGREP_CPP(notposix, [
-#if defined __NetBSD__ || defined _MSC_VER || defined __MINGW32__
+#if defined __NetBSD__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
   notposix
 #endif
         ], gt_cv_func_printf_posix="guessing no",
diff --git a/m4/progtest.m4 b/m4/progtest.m4
index 8fe527ce..a56365cd 100644
--- a/m4/progtest.m4
+++ b/m4/progtest.m4
@@ -1,10 +1,8 @@
-# progtest.m4 serial 3 (gettext-0.12)
-dnl Copyright (C) 1996-2003 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.
+# progtest.m4 serial 4 (gettext-0.14.2)
+dnl Copyright (C) 1996-2003, 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
@@ -18,6 +16,8 @@ dnl They are *not* in the public domain.
 dnl Authors:
 dnl   Ulrich Drepper <drepper@cygnus.com>, 1996.
 
+AC_PREREQ(2.50)
+
 # Search path for a program which passes the given test.
 
 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
@@ -67,6 +67,7 @@ AC_CACHE_VAL(ac_cv_path_$1,
       test -z "$ac_dir" && ac_dir=.
       for ac_exec_ext in '' $ac_executable_extensions; do
         if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
+          echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
           if [$3]; then
             ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
             break 2
diff --git a/m4/size_max.m4 b/m4/size_max.m4
index 5762fc33..bfba811e 100644
--- a/m4/size_max.m4
+++ b/m4/size_max.m4
@@ -1,10 +1,8 @@
-# size_max.m4 serial 2
-dnl Copyright (C) 2003 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.
+# size_max.m4 serial 5
+dnl Copyright (C) 2003, 2005-2006 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 From Bruno Haible.
 
@@ -13,8 +11,9 @@ AC_DEFUN([gl_SIZE_MAX],
   AC_CHECK_HEADERS(stdint.h)
   dnl First test whether the system already has SIZE_MAX.
   AC_MSG_CHECKING([for SIZE_MAX])
-  result=
-  AC_EGREP_CPP([Found it], [
+  AC_CACHE_VAL([gl_cv_size_max], [
+    gl_cv_size_max=
+    AC_EGREP_CPP([Found it], [
 #include <limits.h>
 #if HAVE_STDINT_H
 #include <stdint.h>
@@ -22,40 +21,42 @@ AC_DEFUN([gl_SIZE_MAX],
 #ifdef SIZE_MAX
 Found it
 #endif
-], result=yes)
-  if test -z "$result"; then
-    dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
-    dnl than the type 'unsigned long'.
-    dnl The _AC_COMPUTE_INT macro works up to LONG_MAX, since it uses 'expr',
-    dnl which is guaranteed to work from LONG_MIN to LONG_MAX.
-    _AC_COMPUTE_INT([~(size_t)0 / 10], res_hi,
-      [#include <stddef.h>], result=?)
-    _AC_COMPUTE_INT([~(size_t)0 % 10], res_lo,
-      [#include <stddef.h>], result=?)
-    _AC_COMPUTE_INT([sizeof (size_t) <= sizeof (unsigned int)], fits_in_uint,
-      [#include <stddef.h>], result=?)
-    if test "$fits_in_uint" = 1; then
-      dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
-      dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
-      AC_TRY_COMPILE([#include <stddef.h>
-        extern size_t foo;
-        extern unsigned long foo;
-        ], [], fits_in_uint=0)
-    fi
-    if test -z "$result"; then
-      if test "$fits_in_uint" = 1; then
-        result="$res_hi$res_lo"U
+], gl_cv_size_max=yes)
+    if test -z "$gl_cv_size_max"; then
+      dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
+      dnl than the type 'unsigned long'. Try hard to find a definition that can
+      dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
+      _AC_COMPUTE_INT([sizeof (size_t) * CHAR_BIT - 1], size_t_bits_minus_1,
+        [#include <stddef.h>
+#include <limits.h>], size_t_bits_minus_1=)
+      _AC_COMPUTE_INT([sizeof (size_t) <= sizeof (unsigned int)], fits_in_uint,
+        [#include <stddef.h>], fits_in_uint=)
+      if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
+        if test $fits_in_uint = 1; then
+          dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
+          dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
+          AC_TRY_COMPILE([#include <stddef.h>
+            extern size_t foo;
+            extern unsigned long foo;
+            ], [], fits_in_uint=0)
+        fi
+        dnl We cannot use 'expr' to simplify this expression, because 'expr'
+        dnl works only with 'long' integers in the host environment, while we
+        dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
+        if test $fits_in_uint = 1; then
+          gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
+        else
+          gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
+        fi
       else
-        result="$res_hi$res_lo"UL
+        dnl Shouldn't happen, but who knows...
+        gl_cv_size_max='((size_t)~(size_t)0)'
       fi
-    else
-      dnl Shouldn't happen, but who knows...
-      result='~(size_t)0'
     fi
-  fi
-  AC_MSG_RESULT([$result])
-  if test "$result" != yes; then
-    AC_DEFINE_UNQUOTED([SIZE_MAX], [$result],
+  ])
+  AC_MSG_RESULT([$gl_cv_size_max])
+  if test "$gl_cv_size_max" != yes; then
+    AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max],
       [Define as the maximum value of type 'size_t', if the system doesn't define it.])
   fi
 ])
diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4
index 32ba7ae7..db9a8ac4 100644
--- a/m4/stdint_h.m4
+++ b/m4/stdint_h.m4
@@ -1,26 +1,24 @@
-# stdint_h.m4 serial 3 (gettext-0.12)
-dnl Copyright (C) 1997-2003 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.
+# stdint_h.m4 serial 6
+dnl Copyright (C) 1997-2004, 2006 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 From Paul Eggert.
 
 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
 # doesn't clash with <sys/types.h>, and declares uintmax_t.
 
-AC_DEFUN([jm_AC_HEADER_STDINT_H],
+AC_DEFUN([gl_AC_HEADER_STDINT_H],
 [
-  AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
+  AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,
   [AC_TRY_COMPILE(
     [#include <sys/types.h>
 #include <stdint.h>],
-    [uintmax_t i = (uintmax_t) -1;],
-    jm_ac_cv_header_stdint_h=yes,
-    jm_ac_cv_header_stdint_h=no)])
-  if test $jm_ac_cv_header_stdint_h = yes; then
+    [uintmax_t i = (uintmax_t) -1; return !i;],
+    gl_cv_header_stdint_h=yes,
+    gl_cv_header_stdint_h=no)])
+  if test $gl_cv_header_stdint_h = yes; then
     AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
       [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
        and declares uintmax_t. ])
diff --git a/m4/uintmax_t.m4 b/m4/uintmax_t.m4
index b5f28d44..bf83ed74 100644
--- a/m4/uintmax_t.m4
+++ b/m4/uintmax_t.m4
@@ -1,10 +1,8 @@
-# uintmax_t.m4 serial 7 (gettext-0.12)
-dnl Copyright (C) 1997-2003 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.
+# uintmax_t.m4 serial 9
+dnl Copyright (C) 1997-2004 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 From Paul Eggert.
 
@@ -13,12 +11,12 @@ AC_PREREQ(2.13)
 # Define uintmax_t to 'unsigned long' or 'unsigned long long'
 # if it is not already defined in <stdint.h> or <inttypes.h>.
 
-AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
+AC_DEFUN([gl_AC_TYPE_UINTMAX_T],
 [
-  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
-  AC_REQUIRE([jm_AC_HEADER_STDINT_H])
-  if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
-    AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
+  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+  if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
+    AC_REQUIRE([gl_AC_TYPE_UNSIGNED_LONG_LONG])
     test $ac_cv_type_unsigned_long_long = yes \
       && ac_type='unsigned long long' \
       || ac_type='unsigned long'
diff --git a/m4/ulonglong.m4 b/m4/ulonglong.m4
index 1da8b809..9fae98e3 100644
--- a/m4/ulonglong.m4
+++ b/m4/ulonglong.m4
@@ -1,23 +1,46 @@
-# ulonglong.m4 serial 3
-dnl Copyright (C) 1999-2003 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.
+# ulonglong.m4 serial 6
+dnl Copyright (C) 1999-2006 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 From Paul Eggert.
 
-# Define HAVE_UNSIGNED_LONG_LONG if 'unsigned long long' works.
+# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
+# This fixes a bug in Autoconf 2.60, but can be removed once we
+# assume 2.61 everywhere.
 
-AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
+# Note: If the type 'unsigned long long int' exists but is only 32 bits
+# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
+# will not be defined. In this case you can treat 'unsigned long long int'
+# like 'unsigned long int'.
+
+AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
+[
+  AC_CACHE_CHECK([for unsigned long long int],
+    [ac_cv_type_unsigned_long_long_int],
+    [AC_LINK_IFELSE(
+       [AC_LANG_PROGRAM(
+          [[unsigned long long int ull = 18446744073709551615ULL;
+            typedef int a[(18446744073709551615ULL <= (unsigned long long int) -1
+                           ? 1 : -1)];
+           int i = 63;]],
+          [[unsigned long long int ullmax = 18446744073709551615ull;
+            return (ull << 63 | ull >> 63 | ull << i | ull >> i
+                    | ullmax / ull | ullmax % ull);]])],
+       [ac_cv_type_unsigned_long_long_int=yes],
+       [ac_cv_type_unsigned_long_long_int=no])])
+  if test $ac_cv_type_unsigned_long_long_int = yes; then
+    AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], 1,
+      [Define to 1 if the system has the type `unsigned long long int'.])
+  fi
+])
+
+# This macro is obsolescent and should go away soon.
+AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG],
 [
-  AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
-  [AC_TRY_LINK([unsigned long long ull = 1ULL; int i = 63;],
-    [unsigned long long ullmax = (unsigned long long) -1;
-     return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
-    ac_cv_type_unsigned_long_long=yes,
-    ac_cv_type_unsigned_long_long=no)])
+  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
+  ac_cv_type_unsigned_long_long=$ac_cv_type_unsigned_long_long_int
   if test $ac_cv_type_unsigned_long_long = yes; then
     AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
       [Define if you have the 'unsigned long long' type.])
diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4
index d8fd1ec5..cde2129a 100644
--- a/m4/wchar_t.m4
+++ b/m4/wchar_t.m4
@@ -1,10 +1,8 @@
 # wchar_t.m4 serial 1 (gettext-0.12)
 dnl Copyright (C) 2002-2003 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.
+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 From Bruno Haible.
 dnl Test whether <stddef.h> has the 'wchar_t' type.
diff --git a/m4/wint_t.m4 b/m4/wint_t.m4
index 3d8d2159..b8fff9c8 100644
--- a/m4/wint_t.m4
+++ b/m4/wint_t.m4
@@ -1,10 +1,8 @@
 # wint_t.m4 serial 1 (gettext-0.12)
 dnl Copyright (C) 2003 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.
+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 From Bruno Haible.
 dnl Test whether <wchar.h> has the 'wint_t' type.
diff --git a/m4/xsize.m4 b/m4/xsize.m4
index 9b7cf9b4..85bb721e 100644
--- a/m4/xsize.m4
+++ b/m4/xsize.m4
@@ -1,14 +1,13 @@
-# xsize.m4 serial 2
-dnl Copyright (C) 2003 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.
+# xsize.m4 serial 3
+dnl Copyright (C) 2003-2004 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.
 
 AC_DEFUN([gl_XSIZE],
 [
   dnl Prerequisites of lib/xsize.h.
   AC_REQUIRE([gl_SIZE_MAX])
+  AC_REQUIRE([AC_C_INLINE])
   AC_CHECK_HEADERS(stdint.h)
 ])