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# gettext.m4 serial 37 (gettext-0.14.4)
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dnl Copyright (C) 1995-2005 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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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
9
dnl License but which still want to provide support for the GNU gettext
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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 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 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 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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AC_DEFUN([AM_GNU_GETTEXT],
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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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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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define([gt_included_intl], ifelse([$1], [external], [no], [yes]))
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define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], []))
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AC_REQUIRE([AM_PO_SUBDIRS])dnl
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ifelse(gt_included_intl, yes, [
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AC_REQUIRE([AM_INTL_SUBDIR])dnl
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dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
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AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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AC_REQUIRE([AC_LIB_RPATH])
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dnl Sometimes libintl requires libiconv, so first search for libiconv.
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dnl Ideally we would do this search only after the
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dnl if test "$USE_NLS" = "yes"; then
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dnl if test "$gt_cv_func_gnugettext_libc" != "yes"; then
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dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
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dnl the configure script would need to contain the same shell code
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dnl again, outside any 'if'. There are two solutions:
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dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
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dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
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dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not
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dnl documented, we avoid it.
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ifelse(gt_included_intl, yes, , [
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AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
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dnl Sometimes, on MacOS X, libintl requires linking with CoreFoundation.
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ifelse(gt_included_intl, yes, [
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BUILD_INCLUDED_LIBINTL=no
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USE_INCLUDED_LIBINTL=no
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dnl If we use NLS figure out what method
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if test "$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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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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typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
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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 * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
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gt_cv_func_gnugettext_libc=yes,
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gt_cv_func_gnugettext_libc=no)])
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if test "$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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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 $INCINTL"
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LIBS="$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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typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
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], [])[extern int _nl_msg_cat_cntr;
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const char *_nl_expand_alias (const char *);],
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[bindtextdomain ("", "");
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return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
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gt_cv_func_gnugettext_libintl=yes,
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gt_cv_func_gnugettext_libintl=no)
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dnl Now see whether libintl exists and depends on libiconv.
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if test "$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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typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
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], [])[extern int _nl_msg_cat_cntr;
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const char *_nl_expand_alias (const char *);],
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[bindtextdomain ("", "");
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return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
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[LIBINTL="$LIBINTL $LIBICONV"
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LTLIBINTL="$LTLIBINTL $LTLIBICONV"
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gt_cv_func_gnugettext_libintl=yes
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CPPFLAGS="$gt_save_CPPFLAGS"
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LIBS="$gt_save_LIBS"])
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dnl If an already present or preinstalled GNU gettext() is found,
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dnl use it. But if this macro is used in GNU gettext, and GNU
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dnl gettext is already preinstalled in libintl, we update this
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dnl libintl. (Cf. the install rule in intl/Makefile.in.)
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if test "$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 "$PACKAGE" != gettext-tools; }; then
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gt_use_preinstalled_gnugettext=yes
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dnl Reset the values set by searching for libintl.
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ifelse(gt_included_intl, yes, [
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if test "$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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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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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/ $//'`
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if test "$gt_use_preinstalled_gnugettext" = "yes" \
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|| test "$nls_cv_use_gnu_gettext" = "yes"; then
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dnl Mark actions to use GNU gettext tools.
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if test -n "$INTL_MACOSX_LIBS"; then
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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 Some extra flags are needed during linking.
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LIBINTL="$LIBINTL $INTL_MACOSX_LIBS"
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LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS"
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if test "$gt_use_preinstalled_gnugettext" = "yes" \
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|| test "$nls_cv_use_gnu_gettext" = "yes"; then
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AC_DEFINE(ENABLE_NLS, 1,
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[Define to 1 if translation of program messages to the user's native language
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AC_MSG_CHECKING([whether to use NLS])
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AC_MSG_RESULT([$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 "$gt_cv_func_gnugettext_libintl" = "yes"; then
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gt_source="external libintl"
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gt_source="included intl directory"
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AC_MSG_RESULT([$gt_source])
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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], [$INCINTL])
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dnl For backward compatibility. Some packages may be using this.
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AC_DEFINE(HAVE_GETTEXT, 1,
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[Define if the GNU gettext() function is already present or preinstalled.])
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AC_DEFINE(HAVE_DCGETTEXT, 1,
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[Define if the GNU dcgettext() function is already present or preinstalled.])
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dnl We need to process the po/ directory.
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ifelse(gt_included_intl, yes, [
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dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
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dnl to 'yes' because some of the testsuite requires it.
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if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then
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BUILD_INCLUDED_LIBINTL=yes
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dnl Make all variables we use known to autoconf.
313
AC_SUBST(BUILD_INCLUDED_LIBINTL)
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AC_SUBST(USE_INCLUDED_LIBINTL)
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dnl For backward compatibility. Some configure.ins may be using this.
321
dnl For backward compatibility. Some Makefiles may be using this.
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AC_SUBST(DATADIRNAME)
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dnl For backward compatibility. Some Makefiles may be using this.
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dnl For backward compatibility. Some Makefiles may be using this.
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dnl For backward compatibility. Some Makefiles may be using this.
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if test "$USE_INCLUDED_LIBINTL" = yes; then
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INTLOBJS="\$(GETTOBJS)"
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dnl Enable libtool support if the surrounding package wishes it.
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INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
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AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
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dnl For backward compatibility. Some Makefiles may be using this.
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dnl Make all documented variables known to autoconf.
356
dnl Checks for all prerequisites of the intl subdirectory,
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dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
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dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
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AC_DEFUN([AM_INTL_SUBDIR],
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AC_REQUIRE([AC_PROG_INSTALL])dnl
362
AC_REQUIRE([AM_MKINSTALLDIRS])dnl
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([gt_GLIBC2])dnl
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AC_REQUIRE([AC_PROG_RANLIB])dnl
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AC_REQUIRE([AC_ISC_POSIX])dnl
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AC_REQUIRE([AC_HEADER_STDC])dnl
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AC_REQUIRE([AC_C_CONST])dnl
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AC_REQUIRE([bh_C_SIGNED])dnl
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AC_REQUIRE([AC_C_INLINE])dnl
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AC_REQUIRE([AC_TYPE_OFF_T])dnl
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AC_REQUIRE([AC_TYPE_SIZE_T])dnl
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AC_REQUIRE([gl_AC_TYPE_LONG_LONG])dnl
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AC_REQUIRE([gt_TYPE_LONGDOUBLE])dnl
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AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
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AC_REQUIRE([gt_TYPE_WINT_T])dnl
378
AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
379
AC_REQUIRE([gl_AC_HEADER_STDINT_H])
380
AC_REQUIRE([gt_TYPE_INTMAX_T])
381
AC_REQUIRE([gt_PRINTF_POSIX])
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AC_REQUIRE([AC_FUNC_ALLOCA])dnl
383
AC_REQUIRE([AC_FUNC_MMAP])dnl
384
AC_REQUIRE([gl_GLIBC21])dnl
385
AC_REQUIRE([gt_INTDIV0])dnl
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AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
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AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
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AC_REQUIRE([gt_INTTYPES_PRI])dnl
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AC_REQUIRE([gl_XSIZE])dnl
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AC_REQUIRE([gt_INTL_MACOSX])dnl
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AC_CHECK_TYPE([ptrdiff_t], ,
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[AC_DEFINE([ptrdiff_t], [long],
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[Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
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AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
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stdlib.h string.h unistd.h sys/param.h])
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AC_CHECK_FUNCS([asprintf fwprintf getcwd getegid geteuid getgid getuid \
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mempcpy munmap putenv setenv setlocale snprintf stpcpy strcasecmp strdup \
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strtoul tsearch wcslen __argz_count __argz_stringify __argz_next \
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dnl Use the _snprintf function only if it is declared (because on NetBSD it
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dnl is defined as a weak alias of snprintf; we prefer to use the latter).
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gt_CHECK_DECL(_snprintf, [#include <stdio.h>])
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gt_CHECK_DECL(_snwprintf, [#include <stdio.h>])
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dnl Use the *_unlocked functions only if they are declared.
409
dnl (because some of them were defined without being declared in Solaris
410
dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
411
dnl on Solaris 2.5.1 to run on Solaris 2.6).
412
dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
413
gt_CHECK_DECL(feof_unlocked, [#include <stdio.h>])
414
gt_CHECK_DECL(fgets_unlocked, [#include <stdio.h>])
415
gt_CHECK_DECL(getc_unlocked, [#include <stdio.h>])
417
case $gt_cv_func_printf_posix in
418
*yes) HAVE_POSIX_PRINTF=1 ;;
419
*) HAVE_POSIX_PRINTF=0 ;;
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AC_SUBST([HAVE_POSIX_PRINTF])
422
if test "$ac_cv_func_asprintf" = yes; then
427
AC_SUBST([HAVE_ASPRINTF])
428
if test "$ac_cv_func_snprintf" = yes; then
433
AC_SUBST([HAVE_SNPRINTF])
434
if test "$ac_cv_func_wprintf" = yes; then
439
AC_SUBST([HAVE_WPRINTF])
443
if test $ac_cv_header_locale_h = yes; then
447
if test -n "$INTL_MACOSX_LIBS"; then
448
CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
451
dnl intl/plural.c is generated from intl/plural.y. It requires bison,
452
dnl because plural.y uses bison specific features. It requires at least
453
dnl bison-1.26 because earlier versions generate a plural.c that doesn't
455
dnl bison is only needed for the maintainer (who touches plural.y). But in
456
dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
457
dnl the rule in general Makefile. Now, some people carelessly touch the
458
dnl files or have a broken "make" program, hence the plural.c rule will
459
dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
460
dnl present or too old.
461
AC_CHECK_PROGS([INTLBISON], [bison])
462
if test -z "$INTLBISON"; then
465
dnl Found it, now check the version.
466
AC_MSG_CHECKING([version of bison])
467
changequote(<<,>>)dnl
468
ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
469
case $ac_prog_version in
470
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
471
1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
473
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
474
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
476
AC_MSG_RESULT([$ac_prog_version])
478
if test $ac_verc_fail = yes; then
484
dnl Checks for special options needed on MacOS X.
485
dnl Defines INTL_MACOSX_LIBS.
486
AC_DEFUN([gt_INTL_MACOSX],
488
dnl Check for API introduced in MacOS X 10.2.
489
AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
490
gt_cv_func_CFPreferencesCopyAppValue,
491
[gt_save_CPPFLAGS="$CPPFLAGS"
492
CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
494
LIBS="$LIBS -framework CoreFoundation"
495
AC_TRY_LINK([#include <CFPreferences.h>],
496
[CFPreferencesCopyAppValue(NULL, NULL)],
497
[gt_cv_func_CFPreferencesCopyAppValue=yes],
498
[gt_cv_func_CFPreferencesCopyAppValue=no])
499
CPPFLAGS="$gt_save_CPPFLAGS"
500
LIBS="$gt_save_LIBS"])
501
if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then
502
AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], 1,
503
[Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
505
dnl Check for API introduced in MacOS X 10.3.
506
AC_CACHE_CHECK([for CFLocaleCopyCurrent], gt_cv_func_CFLocaleCopyCurrent,
507
[gt_save_CPPFLAGS="$CPPFLAGS"
508
CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
510
LIBS="$LIBS -framework CoreFoundation"
511
AC_TRY_LINK([#include <CFLocale.h>], [CFLocaleCopyCurrent();],
512
[gt_cv_func_CFLocaleCopyCurrent=yes],
513
[gt_cv_func_CFLocaleCopyCurrent=no])
514
CPPFLAGS="$gt_save_CPPFLAGS"
515
LIBS="$gt_save_LIBS"])
516
if test $gt_cv_func_CFLocaleCopyCurrent = yes; then
517
AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], 1,
518
[Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the CoreFoundation framework.])
521
if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then
522
INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
524
AC_SUBST([INTL_MACOSX_LIBS])
528
dnl gt_CHECK_DECL(FUNC, INCLUDES)
529
dnl Check whether a function is declared.
530
AC_DEFUN([gt_CHECK_DECL],
532
AC_CACHE_CHECK([whether $1 is declared], ac_cv_have_decl_$1,
533
[AC_TRY_COMPILE([$2], [
535
char *p = (char *) $1;
537
], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)])
538
if test $ac_cv_have_decl_$1 = yes; then
543
AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
544
[Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
548
dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
549
AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])
added
removed
m4/gettext.m4
