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pippijn |
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# gettext.m4 serial 20 (gettext-0.12) |
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dnl Copyright © 1995-2003 Free Software Foundation, Inc. |
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dnl This file is free software, distributed under the terms of the GNU |
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dnl General Public License. As a special exception to the GNU General |
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dnl Public License, this file may be distributed as part of a program |
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dnl that contains a configuration script generated by Autoconf, under |
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dnl the same distribution terms as the rest of that program. |
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dnl |
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dnl This file can can be used in projects which are not available under |
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dnl the GNU General Public License or the GNU Library General Public |
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dnl License but which still want to provide support for the GNU gettext |
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dnl functionality. |
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dnl Please note that the actual code of the GNU gettext library is covered |
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dnl by the GNU Library General Public License, and the rest of the GNU |
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dnl gettext package package is covered by the GNU General Public License. |
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dnl They are *not* in the public domain. |
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dnl Authors: |
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dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000. |
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dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003. |
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dnl Macro to add for using GNU gettext. |
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dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]). |
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dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The |
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dnl default (if it is not specified or empty) is 'no-libtool'. |
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dnl INTLSYMBOL should be 'external' for packages with no intl directory, |
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dnl and 'no-libtool' or 'use-libtool' for packages with an intl directory. |
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dnl If INTLSYMBOL is 'use-libtool', then a libtool library |
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dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, |
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dnl depending on --{enable,disable}-{shared,static} and on the presence of |
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dnl AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library |
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dnl $(top_builddir)/intl/libintl.a will be created. |
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dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext |
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dnl implementations (in libc or libintl) without the ngettext() function |
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dnl will be ignored. If NEEDSYMBOL is specified and is |
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dnl 'need-formatstring-macros', then GNU gettext implementations that don't |
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dnl support the ISO C 99 <inttypes.h> formatstring macros will be ignored. |
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dnl INTLDIR is used to find the intl libraries. If empty, |
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dnl the value `$(top_builddir)/intl/' is used. |
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dnl |
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dnl The result of the configuration is one of three cases: |
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dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled |
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dnl and used. |
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dnl Catalog format: GNU --> install in $(datadir) |
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dnl Catalog extension: .mo after installation, .gmo in source tree |
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dnl 2) GNU gettext has been found in the system's C library. |
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dnl Catalog format: GNU --> install in $(datadir) |
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dnl Catalog extension: .mo after installation, .gmo in source tree |
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dnl 3) No internationalization, always use English msgid. |
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dnl Catalog format: none |
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dnl Catalog extension: none |
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dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur. |
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dnl The use of .gmo is historical (it was needed to avoid overwriting the |
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dnl GNU format catalogs when building on a platform with an X/Open gettext), |
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dnl but we keep it in order not to force irrelevant filename changes on the |
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dnl maintainers. |
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dnl |
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AC_DEFUN([AM_GNU_GETTEXT], |
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[ |
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dnl Argument checking. |
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ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], , |
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[errprint([ERROR: invalid first argument to AM_GNU_GETTEXT |
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])])])])]) |
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ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], , |
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[errprint([ERROR: invalid second argument to AM_GNU_GETTEXT |
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])])])]) |
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define(gt_included_intl, ifelse([$1], [external], [no], [yes])) |
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define(gt_libtool_suffix_prefix, ifelse([$1], [use-libtool], [l], [])) |
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AC_REQUIRE([AM_PO_SUBDIRS])dnl |
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ifelse(gt_included_intl, yes, [ |
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AC_REQUIRE([AM_INTL_SUBDIR])dnl |
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]) |
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dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. |
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) |
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AC_REQUIRE([AC_LIB_RPATH]) |
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dnl Sometimes libintl requires libiconv, so first search for libiconv. |
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dnl Ideally we would do this search only after the |
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dnl if test "$USE_NLS" = "yes"; then |
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dnl if test "$gt_cv_func_gnugettext_libc" != "yes"; then |
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dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT |
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dnl the configure script would need to contain the same shell code |
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dnl again, outside any 'if'. There are two solutions: |
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dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'. |
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dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE. |
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dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not |
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dnl documented, we avoid it. |
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ifelse(gt_included_intl, yes, , [ |
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AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) |
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]) |
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dnl Set USE_NLS. |
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AM_NLS |
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ifelse(gt_included_intl, yes, [ |
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BUILD_INCLUDED_LIBINTL=no |
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USE_INCLUDED_LIBINTL=no |
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INTL_OBJECTIVE= |
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]) |
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LIBINTL= |
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LTLIBINTL= |
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POSUB= |
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dnl If we use NLS figure out what method |
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if test "$USE_NLS" = "yes"; then |
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gt_use_preinstalled_gnugettext=no |
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ifelse(gt_included_intl, yes, [ |
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AC_MSG_CHECKING([whether included gettext is requested]) |
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AC_ARG_WITH(included-gettext, |
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[ --with-included-gettext use the GNU gettext library included here], |
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nls_cv_force_use_gnu_gettext=$withval, |
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nls_cv_force_use_gnu_gettext=no) |
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AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) |
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nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" |
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if test "$nls_cv_force_use_gnu_gettext" != "yes"; then |
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]) |
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dnl User does not insist on using GNU NLS library. Figure out what |
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dnl to use. If GNU gettext is available we use this. Else we have |
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dnl to fall back to GNU NLS library. |
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dnl Add a version number to the cache macros. |
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define([gt_api_version], ifelse([$2], [need-formatstring-macros], 3, ifelse([$2], [need-ngettext], 2, 1))) |
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define([gt_cv_func_gnugettext_libc], [gt_cv_func_gnugettext]gt_api_version[_libc]) |
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define([gt_cv_func_gnugettext_libintl], [gt_cv_func_gnugettext]gt_api_version[_libintl]) |
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AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc, |
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[AC_TRY_LINK([#include <libintl.h> |
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]ifelse([$2], [need-formatstring-macros], |
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[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION |
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#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) |
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#endif |
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changequote(,)dnl |
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typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; |
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changequote([,])dnl |
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], [])[extern int _nl_msg_cat_cntr; |
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extern int *_nl_domain_bindings;], |
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[bindtextdomain ("", ""); |
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return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings], |
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gt_cv_func_gnugettext_libc=yes, |
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gt_cv_func_gnugettext_libc=no)]) |
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if test "$gt_cv_func_gnugettext_libc" != "yes"; then |
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dnl Sometimes libintl requires libiconv, so first search for libiconv. |
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ifelse(gt_included_intl, yes, , [ |
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AM_ICONV_LINK |
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]) |
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dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL |
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dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv]) |
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dnl because that would add "-liconv" to LIBINTL and LTLIBINTL |
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dnl even if libiconv doesn't exist. |
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AC_LIB_LINKFLAGS_BODY([intl]) |
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AC_CACHE_CHECK([for GNU gettext in libintl], |
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gt_cv_func_gnugettext_libintl, |
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[gt_save_CPPFLAGS="$CPPFLAGS" |
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CPPFLAGS="$CPPFLAGS $INCINTL" |
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gt_save_LIBS="$LIBS" |
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LIBS="$LIBS $LIBINTL" |
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dnl Now see whether libintl exists and does not depend on libiconv. |
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AC_TRY_LINK([#include <libintl.h> |
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]ifelse([$2], [need-formatstring-macros], |
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[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION |
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#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) |
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#endif |
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changequote(,)dnl |
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typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; |
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changequote([,])dnl |
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], [])[extern int _nl_msg_cat_cntr; |
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extern |
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#ifdef __cplusplus |
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"C" |
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#endif |
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const char *_nl_expand_alias ();], |
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[bindtextdomain ("", ""); |
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return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)], |
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gt_cv_func_gnugettext_libintl=yes, |
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gt_cv_func_gnugettext_libintl=no) |
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dnl Now see whether libintl exists and depends on libiconv. |
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if test "$gt_cv_func_gnugettext_libintl" != yes && test -n "$LIBICONV"; then |
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LIBS="$LIBS $LIBICONV" |
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AC_TRY_LINK([#include <libintl.h> |
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]ifelse([$2], [need-formatstring-macros], |
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[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION |
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#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) |
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#endif |
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changequote(,)dnl |
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typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; |
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changequote([,])dnl |
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], [])[extern int _nl_msg_cat_cntr; |
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extern |
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#ifdef __cplusplus |
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"C" |
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#endif |
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const char *_nl_expand_alias ();], |
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[bindtextdomain ("", ""); |
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return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)], |
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[LIBINTL="$LIBINTL $LIBICONV" |
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LTLIBINTL="$LTLIBINTL $LTLIBICONV" |
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gt_cv_func_gnugettext_libintl=yes |
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]) |
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fi |
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CPPFLAGS="$gt_save_CPPFLAGS" |
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LIBS="$gt_save_LIBS"]) |
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fi |
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dnl If an already present or preinstalled GNU gettext() is found, |
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dnl use it. But if this macro is used in GNU gettext, and GNU |
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dnl gettext is already preinstalled in libintl, we update this |
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dnl libintl. (Cf. the install rule in intl/Makefile.in.) |
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if test "$gt_cv_func_gnugettext_libc" = "yes" \ |
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|| { test "$gt_cv_func_gnugettext_libintl" = "yes" \ |
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&& test "$PACKAGE" != gettext-runtime \ |
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&& test "$PACKAGE" != gettext-tools; }; then |
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gt_use_preinstalled_gnugettext=yes |
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else |
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dnl Reset the values set by searching for libintl. |
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LIBINTL= |
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LTLIBINTL= |
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INCINTL= |
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fi |
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ifelse(gt_included_intl, yes, [ |
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if test "$gt_use_preinstalled_gnugettext" != "yes"; then |
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dnl GNU gettext is not found in the C library. |
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dnl Fall back on included GNU gettext library. |
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nls_cv_use_gnu_gettext=yes |
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fi |
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fi |
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if test "$nls_cv_use_gnu_gettext" = "yes"; then |
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dnl Mark actions used to generate GNU NLS library. |
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BUILD_INCLUDED_LIBINTL=yes |
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USE_INCLUDED_LIBINTL=yes |
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INTL_OBJECTIVE=intl |
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LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV" |
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LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV" |
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LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'` |
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fi |
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if test "$gt_use_preinstalled_gnugettext" = "yes" \ |
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|| test "$nls_cv_use_gnu_gettext" = "yes"; then |
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dnl Mark actions to use GNU gettext tools. |
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CATOBJEXT=.gmo |
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fi |
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]) |
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if test "$gt_use_preinstalled_gnugettext" = "yes" \ |
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|| test "$nls_cv_use_gnu_gettext" = "yes"; then |
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AC_DEFINE(ENABLE_NLS, 1, |
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[Define to 1 if translation of program messages to the user's native language |
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is requested.]) |
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else |
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USE_NLS=no |
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fi |
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fi |
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AC_MSG_CHECKING([whether to use NLS]) |
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AC_MSG_RESULT([$USE_NLS]) |
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if test "$USE_NLS" = "yes"; then |
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AC_MSG_CHECKING([where the gettext function comes from]) |
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if test "$gt_use_preinstalled_gnugettext" = "yes"; then |
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if test "$gt_cv_func_gnugettext_libintl" = "yes"; then |
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gt_source="external libintl" |
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else |
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gt_source="libc" |
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fi |
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else |
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gt_source="included intl directory" |
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fi |
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AC_MSG_RESULT([$gt_source]) |
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fi |
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if test "$USE_NLS" = "yes"; then |
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if test "$gt_use_preinstalled_gnugettext" = "yes"; then |
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if test "$gt_cv_func_gnugettext_libintl" = "yes"; then |
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AC_MSG_CHECKING([how to link with libintl]) |
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AC_MSG_RESULT([$LIBINTL]) |
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AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL]) |
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fi |
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dnl For backward compatibility. Some packages may be using this. |
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AC_DEFINE(HAVE_GETTEXT, 1, |
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[Define if the GNU gettext() function is already present or preinstalled.]) |
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AC_DEFINE(HAVE_DCGETTEXT, 1, |
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[Define if the GNU dcgettext() function is already present or preinstalled.]) |
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fi |
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dnl We need to process the po/ directory. |
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POSUB=po |
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fi |
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ifelse(gt_included_intl, yes, [ |
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dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL |
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dnl to 'yes' because some of the testsuite requires it. |
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if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then |
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BUILD_INCLUDED_LIBINTL=yes |
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fi |
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|
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dnl Make all variables we use known to autoconf. |
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AC_SUBST(BUILD_INCLUDED_LIBINTL) |
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|
AC_SUBST(USE_INCLUDED_LIBINTL) |
| 306 |
|
|
AC_SUBST(INTL_OBJECTIVE) |
| 307 |
|
|
AC_SUBST(CATOBJEXT) |
| 308 |
|
|
|
| 309 |
|
|
dnl For backward compatibility. Some configure.ins may be using this. |
| 310 |
|
|
nls_cv_header_intl= |
| 311 |
|
|
nls_cv_header_libgt= |
| 312 |
|
|
|
| 313 |
|
|
dnl For backward compatibility. Some Makefiles may be using this. |
| 314 |
|
|
DATADIRNAME=share |
| 315 |
|
|
AC_SUBST(DATADIRNAME) |
| 316 |
|
|
|
| 317 |
|
|
dnl For backward compatibility. Some Makefiles may be using this. |
| 318 |
|
|
INSTOBJEXT=.mo |
| 319 |
|
|
AC_SUBST(INSTOBJEXT) |
| 320 |
|
|
|
| 321 |
|
|
dnl For backward compatibility. Some Makefiles may be using this. |
| 322 |
|
|
GENCAT=gencat |
| 323 |
|
|
AC_SUBST(GENCAT) |
| 324 |
|
|
|
| 325 |
|
|
dnl For backward compatibility. Some Makefiles may be using this. |
| 326 |
|
|
if test "$USE_INCLUDED_LIBINTL" = yes; then |
| 327 |
|
|
INTLOBJS="\$(GETTOBJS)" |
| 328 |
|
|
fi |
| 329 |
|
|
AC_SUBST(INTLOBJS) |
| 330 |
|
|
|
| 331 |
|
|
dnl Enable libtool support if the surrounding package wishes it. |
| 332 |
|
|
INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix |
| 333 |
|
|
AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX) |
| 334 |
|
|
]) |
| 335 |
|
|
|
| 336 |
|
|
dnl For backward compatibility. Some Makefiles may be using this. |
| 337 |
|
|
INTLLIBS="$LIBINTL" |
| 338 |
|
|
AC_SUBST(INTLLIBS) |
| 339 |
|
|
|
| 340 |
|
|
dnl Make all documented variables known to autoconf. |
| 341 |
|
|
AC_SUBST(LIBINTL) |
| 342 |
|
|
AC_SUBST(LTLIBINTL) |
| 343 |
|
|
AC_SUBST(POSUB) |
| 344 |
|
|
]) |
| 345 |
|
|
|
| 346 |
|
|
|
| 347 |
|
|
dnl Checks for all prerequisites of the intl subdirectory, |
| 348 |
|
|
dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS, |
| 349 |
|
|
dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL. |
| 350 |
|
|
AC_DEFUN([AM_INTL_SUBDIR], |
| 351 |
|
|
[ |
| 352 |
|
|
AC_REQUIRE([AC_PROG_INSTALL])dnl |
| 353 |
|
|
AC_REQUIRE([AM_MKINSTALLDIRS])dnl |
| 354 |
|
|
AC_REQUIRE([AC_PROG_CC])dnl |
| 355 |
|
|
AC_REQUIRE([AC_CANONICAL_HOST])dnl |
| 356 |
|
|
AC_REQUIRE([AC_PROG_RANLIB])dnl |
| 357 |
|
|
AC_REQUIRE([AC_ISC_POSIX])dnl |
| 358 |
|
|
AC_REQUIRE([AC_HEADER_STDC])dnl |
| 359 |
|
|
AC_REQUIRE([AC_C_CONST])dnl |
| 360 |
|
|
AC_REQUIRE([AC_C_INLINE])dnl |
| 361 |
|
|
AC_REQUIRE([AC_TYPE_OFF_T])dnl |
| 362 |
|
|
AC_REQUIRE([AC_TYPE_SIZE_T])dnl |
| 363 |
|
|
AC_REQUIRE([AC_FUNC_ALLOCA])dnl |
| 364 |
|
|
AC_REQUIRE([AC_FUNC_MMAP])dnl |
| 365 |
|
|
AC_REQUIRE([jm_GLIBC21])dnl |
| 366 |
|
|
AC_REQUIRE([gt_INTDIV0])dnl |
| 367 |
|
|
AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])dnl |
| 368 |
|
|
AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl |
| 369 |
|
|
AC_REQUIRE([gt_INTTYPES_PRI])dnl |
| 370 |
|
|
|
| 371 |
|
|
AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \ |
| 372 |
|
|
stdlib.h string.h unistd.h sys/param.h]) |
| 373 |
|
|
AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getc_unlocked getcwd getegid \ |
| 374 |
|
|
geteuid getgid getuid mempcpy munmap putenv setenv setlocale stpcpy \ |
| 375 |
|
|
strcasecmp strdup strtoul tsearch __argz_count __argz_stringify __argz_next \ |
| 376 |
|
|
__fsetlocking]) |
| 377 |
|
|
|
| 378 |
|
|
AM_ICONV |
| 379 |
|
|
AM_LANGINFO_CODESET |
| 380 |
|
|
if test $ac_cv_header_locale_h = yes; then |
| 381 |
|
|
AM_LC_MESSAGES |
| 382 |
|
|
fi |
| 383 |
|
|
|
| 384 |
|
|
dnl intl/plural.c is generated from intl/plural.y. It requires bison, |
| 385 |
|
|
dnl because plural.y uses bison specific features. It requires at least |
| 386 |
|
|
dnl bison-1.26 because earlier versions generate a plural.c that doesn't |
| 387 |
|
|
dnl compile. |
| 388 |
|
|
dnl bison is only needed for the maintainer (who touches plural.y). But in |
| 389 |
|
|
dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put |
| 390 |
|
|
dnl the rule in general Makefile. Now, some people carelessly touch the |
| 391 |
|
|
dnl files or have a broken "make" program, hence the plural.c rule will |
| 392 |
|
|
dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not |
| 393 |
|
|
dnl present or too old. |
| 394 |
|
|
AC_CHECK_PROGS([INTLBISON], [bison]) |
| 395 |
|
|
if test -z "$INTLBISON"; then |
| 396 |
|
|
ac_verc_fail=yes |
| 397 |
|
|
else |
| 398 |
|
|
dnl Found it, now check the version. |
| 399 |
|
|
AC_MSG_CHECKING([version of bison]) |
| 400 |
|
|
changequote(<<,>>)dnl |
| 401 |
|
|
ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'` |
| 402 |
|
|
case $ac_prog_version in |
| 403 |
|
|
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; |
| 404 |
|
|
1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*) |
| 405 |
|
|
changequote([,])dnl |
| 406 |
|
|
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; |
| 407 |
|
|
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; |
| 408 |
|
|
esac |
| 409 |
|
|
AC_MSG_RESULT([$ac_prog_version]) |
| 410 |
|
|
fi |
| 411 |
|
|
if test $ac_verc_fail = yes; then |
| 412 |
|
|
INTLBISON=: |
| 413 |
|
|
fi |
| 414 |
|
|
]) |
| 415 |
|
|
|
| 416 |
|
|
|
| 417 |
|
|
dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version]) |
| 418 |
|
|
AC_DEFUN([AM_GNU_GETTEXT_VERSION], []) |
