1 # gettext.m4 serial 53 (gettext-0.15)
2 dnl Copyright (C) 1995-2006 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 dnl This file can can be used in projects which are not available under
8 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
11 dnl Please note that the actual code of the GNU gettext library is covered
12 dnl by the GNU Library General Public License, and the rest of the GNU
13 dnl gettext package package is covered by the GNU General Public License.
14 dnl They are *not* in the public domain.
17 dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
18 dnl Bruno Haible <haible@clisp.cons.org>, 2000-2005.
20 dnl Macro to add for using GNU gettext.
22 dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]).
23 dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The
24 dnl default (if it is not specified or empty) is 'no-libtool'.
25 dnl INTLSYMBOL should be 'external' for packages with no intl directory,
26 dnl and 'no-libtool' or 'use-libtool' for packages with an intl directory.
27 dnl If INTLSYMBOL is 'use-libtool', then a libtool library
28 dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static,
29 dnl depending on --{enable,disable}-{shared,static} and on the presence of
30 dnl AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library
31 dnl $(top_builddir)/intl/libintl.a will be created.
32 dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
33 dnl implementations (in libc or libintl) without the ngettext() function
34 dnl will be ignored. If NEEDSYMBOL is specified and is
35 dnl 'need-formatstring-macros', then GNU gettext implementations that don't
36 dnl support the ISO C 99 <inttypes.h> formatstring macros will be ignored.
37 dnl INTLDIR is used to find the intl libraries. If empty,
38 dnl the value `$(top_builddir)/intl/' is used.
40 dnl The result of the configuration is one of three cases:
41 dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
43 dnl Catalog format: GNU --> install in $(datadir)
44 dnl Catalog extension: .mo after installation, .gmo in source tree
45 dnl 2) GNU gettext has been found in the system's C library.
46 dnl Catalog format: GNU --> install in $(datadir)
47 dnl Catalog extension: .mo after installation, .gmo in source tree
48 dnl 3) No internationalization, always use English msgid.
49 dnl Catalog format: none
50 dnl Catalog extension: none
51 dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur.
52 dnl The use of .gmo is historical (it was needed to avoid overwriting the
53 dnl GNU format catalogs when building on a platform with an X/Open gettext),
54 dnl but we keep it in order not to force irrelevant filename changes on the
57 AC_DEFUN([AM_GNU_GETTEXT],
59 dnl Argument checking.
60 ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], ,
61 [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT
63 ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], ,
64 [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
66 define([gt_included_intl], ifelse([$1], [external], [no], [yes]))
67 define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], []))
69 AC_REQUIRE([AM_PO_SUBDIRS])dnl
70 ifelse(gt_included_intl, yes, [
71 AC_REQUIRE([AM_INTL_SUBDIR])dnl
74 dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
75 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
76 AC_REQUIRE([AC_LIB_RPATH])
78 dnl Sometimes libintl requires libiconv, so first search for libiconv.
79 dnl Ideally we would do this search only after the
80 dnl if test "$USE_NLS" = "yes"; then
81 dnl if test "$gt_cv_func_gnugettext_libc" != "yes"; then
82 dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
83 dnl the configure script would need to contain the same shell code
84 dnl again, outside any 'if'. There are two solutions:
85 dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
86 dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
87 dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not
88 dnl documented, we avoid it.
89 ifelse(gt_included_intl, yes, , [
90 AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
93 dnl Sometimes, on MacOS X, libintl requires linking with CoreFoundation.
99 ifelse(gt_included_intl, yes, [
100 BUILD_INCLUDED_LIBINTL=no
101 USE_INCLUDED_LIBINTL=no
107 dnl If we use NLS figure out what method
108 if test "$USE_NLS" = "yes"; then
109 gt_use_preinstalled_gnugettext=no
110 ifelse(gt_included_intl, yes, [
111 AC_MSG_CHECKING([whether included gettext is requested])
112 AC_ARG_WITH(included-gettext,
113 [ --with-included-gettext use the GNU gettext library included here],
114 nls_cv_force_use_gnu_gettext=$withval,
115 nls_cv_force_use_gnu_gettext=no)
116 AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
118 nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
119 if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
121 dnl User does not insist on using GNU NLS library. Figure out what
122 dnl to use. If GNU gettext is available we use this. Else we have
123 dnl to fall back to GNU NLS library.
125 dnl Add a version number to the cache macros.
126 define([gt_api_version], ifelse([$2], [need-formatstring-macros], 3, ifelse([$2], [need-ngettext], 2, 1)))
127 define([gt_cv_func_gnugettext_libc], [gt_cv_func_gnugettext]gt_api_version[_libc])
128 define([gt_cv_func_gnugettext_libintl], [gt_cv_func_gnugettext]gt_api_version[_libintl])
130 AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
131 [AC_TRY_LINK([#include <libintl.h>
132 ]ifelse([$2], [need-formatstring-macros],
133 [[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
134 #define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
136 typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
137 ]], [])[extern int _nl_msg_cat_cntr;
138 extern int *_nl_domain_bindings;],
139 [bindtextdomain ("", "");
140 return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
141 gt_cv_func_gnugettext_libc=yes,
142 gt_cv_func_gnugettext_libc=no)])
144 if test "$gt_cv_func_gnugettext_libc" != "yes"; then
145 dnl Sometimes libintl requires libiconv, so first search for libiconv.
146 ifelse(gt_included_intl, yes, , [
149 dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
150 dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
151 dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
152 dnl even if libiconv doesn't exist.
153 AC_LIB_LINKFLAGS_BODY([intl])
154 AC_CACHE_CHECK([for GNU gettext in libintl],
155 gt_cv_func_gnugettext_libintl,
156 [gt_save_CPPFLAGS="$CPPFLAGS"
157 CPPFLAGS="$CPPFLAGS $INCINTL"
159 LIBS="$LIBS $LIBINTL"
160 dnl Now see whether libintl exists and does not depend on libiconv.
161 AC_TRY_LINK([#include <libintl.h>
162 ]ifelse([$2], [need-formatstring-macros],
163 [[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
164 #define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
166 typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
167 ]], [])[extern int _nl_msg_cat_cntr;
172 const char *_nl_expand_alias (const char *);],
173 [bindtextdomain ("", "");
174 return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
175 gt_cv_func_gnugettext_libintl=yes,
176 gt_cv_func_gnugettext_libintl=no)
177 dnl Now see whether libintl exists and depends on libiconv.
178 if test "$gt_cv_func_gnugettext_libintl" != yes && test -n "$LIBICONV"; then
179 LIBS="$LIBS $LIBICONV"
180 AC_TRY_LINK([#include <libintl.h>
181 ]ifelse([$2], [need-formatstring-macros],
182 [[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
183 #define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
185 typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
186 ]], [])[extern int _nl_msg_cat_cntr;
191 const char *_nl_expand_alias (const char *);],
192 [bindtextdomain ("", "");
193 return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
194 [LIBINTL="$LIBINTL $LIBICONV"
195 LTLIBINTL="$LTLIBINTL $LTLIBICONV"
196 gt_cv_func_gnugettext_libintl=yes
199 CPPFLAGS="$gt_save_CPPFLAGS"
200 LIBS="$gt_save_LIBS"])
203 dnl If an already present or preinstalled GNU gettext() is found,
204 dnl use it. But if this macro is used in GNU gettext, and GNU
205 dnl gettext is already preinstalled in libintl, we update this
206 dnl libintl. (Cf. the install rule in intl/Makefile.in.)
207 if test "$gt_cv_func_gnugettext_libc" = "yes" \
208 || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
209 && test "$PACKAGE" != gettext-runtime \
210 && test "$PACKAGE" != gettext-tools; }; then
211 gt_use_preinstalled_gnugettext=yes
213 dnl Reset the values set by searching for libintl.
219 ifelse(gt_included_intl, yes, [
220 if test "$gt_use_preinstalled_gnugettext" != "yes"; then
221 dnl GNU gettext is not found in the C library.
222 dnl Fall back on included GNU gettext library.
223 nls_cv_use_gnu_gettext=yes
227 if test "$nls_cv_use_gnu_gettext" = "yes"; then
228 dnl Mark actions used to generate GNU NLS library.
229 BUILD_INCLUDED_LIBINTL=yes
230 USE_INCLUDED_LIBINTL=yes
231 LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV $LIBTHREAD"
232 LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV $LTLIBTHREAD"
233 LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
237 if test "$gt_use_preinstalled_gnugettext" = "yes" \
238 || test "$nls_cv_use_gnu_gettext" = "yes"; then
239 dnl Mark actions to use GNU gettext tools.
244 if test -n "$INTL_MACOSX_LIBS"; then
245 if test "$gt_use_preinstalled_gnugettext" = "yes" \
246 || test "$nls_cv_use_gnu_gettext" = "yes"; then
247 dnl Some extra flags are needed during linking.
248 LIBINTL="$LIBINTL $INTL_MACOSX_LIBS"
249 LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS"
253 if test "$gt_use_preinstalled_gnugettext" = "yes" \
254 || test "$nls_cv_use_gnu_gettext" = "yes"; then
255 AC_DEFINE(ENABLE_NLS, 1,
256 [Define to 1 if translation of program messages to the user's native language
263 AC_MSG_CHECKING([whether to use NLS])
264 AC_MSG_RESULT([$USE_NLS])
265 if test "$USE_NLS" = "yes"; then
266 AC_MSG_CHECKING([where the gettext function comes from])
267 if test "$gt_use_preinstalled_gnugettext" = "yes"; then
268 if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
269 gt_source="external libintl"
274 gt_source="included intl directory"
276 AC_MSG_RESULT([$gt_source])
279 if test "$USE_NLS" = "yes"; then
281 if test "$gt_use_preinstalled_gnugettext" = "yes"; then
282 if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
283 AC_MSG_CHECKING([how to link with libintl])
284 AC_MSG_RESULT([$LIBINTL])
285 AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
288 dnl For backward compatibility. Some packages may be using this.
289 AC_DEFINE(HAVE_GETTEXT, 1,
290 [Define if the GNU gettext() function is already present or preinstalled.])
291 AC_DEFINE(HAVE_DCGETTEXT, 1,
292 [Define if the GNU dcgettext() function is already present or preinstalled.])
295 dnl We need to process the po/ directory.
299 ifelse(gt_included_intl, yes, [
300 dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
301 dnl to 'yes' because some of the testsuite requires it.
302 if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then
303 BUILD_INCLUDED_LIBINTL=yes
306 dnl Make all variables we use known to autoconf.
307 AC_SUBST(BUILD_INCLUDED_LIBINTL)
308 AC_SUBST(USE_INCLUDED_LIBINTL)
311 dnl For backward compatibility. Some configure.ins may be using this.
315 dnl For backward compatibility. Some Makefiles may be using this.
317 AC_SUBST(DATADIRNAME)
319 dnl For backward compatibility. Some Makefiles may be using this.
323 dnl For backward compatibility. Some Makefiles may be using this.
327 dnl For backward compatibility. Some Makefiles may be using this.
329 if test "$USE_INCLUDED_LIBINTL" = yes; then
330 INTLOBJS="\$(GETTOBJS)"
334 dnl Enable libtool support if the surrounding package wishes it.
335 INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
336 AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
339 dnl For backward compatibility. Some Makefiles may be using this.
343 dnl Make all documented variables known to autoconf.
350 dnl Checks for all prerequisites of the intl subdirectory,
351 dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
352 dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
353 AC_DEFUN([AM_INTL_SUBDIR],
355 AC_REQUIRE([AC_PROG_INSTALL])dnl
356 AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
357 AC_REQUIRE([AC_PROG_CC])dnl
358 AC_REQUIRE([AC_CANONICAL_HOST])dnl
359 AC_REQUIRE([gt_GLIBC2])dnl
360 AC_REQUIRE([AC_PROG_RANLIB])dnl
361 AC_REQUIRE([gl_VISIBILITY])dnl
362 AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl
363 AC_REQUIRE([bh_C_SIGNED])dnl
364 AC_REQUIRE([gl_AC_TYPE_LONG_LONG])dnl
365 AC_REQUIRE([gt_TYPE_LONGDOUBLE])dnl
366 AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
367 AC_REQUIRE([gt_TYPE_WINT_T])dnl
368 AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
369 AC_REQUIRE([gt_TYPE_INTMAX_T])
370 AC_REQUIRE([gt_PRINTF_POSIX])
371 AC_REQUIRE([gl_GLIBC21])dnl
372 AC_REQUIRE([gl_XSIZE])dnl
373 AC_REQUIRE([gt_INTL_MACOSX])dnl
375 AC_CHECK_TYPE([ptrdiff_t], ,
376 [AC_DEFINE([ptrdiff_t], [long],
377 [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
379 AC_CHECK_HEADERS([stddef.h stdlib.h string.h])
380 AC_CHECK_FUNCS([asprintf fwprintf putenv setenv setlocale snprintf wcslen])
382 dnl Use the _snprintf function only if it is declared (because on NetBSD it
383 dnl is defined as a weak alias of snprintf; we prefer to use the latter).
384 gt_CHECK_DECL(_snprintf, [#include <stdio.h>])
385 gt_CHECK_DECL(_snwprintf, [#include <stdio.h>])
387 dnl Use the *_unlocked functions only if they are declared.
388 dnl (because some of them were defined without being declared in Solaris
389 dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
390 dnl on Solaris 2.5.1 to run on Solaris 2.6).
391 dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
392 gt_CHECK_DECL(getc_unlocked, [#include <stdio.h>])
394 case $gt_cv_func_printf_posix in
395 *yes) HAVE_POSIX_PRINTF=1 ;;
396 *) HAVE_POSIX_PRINTF=0 ;;
398 AC_SUBST([HAVE_POSIX_PRINTF])
399 if test "$ac_cv_func_asprintf" = yes; then
404 AC_SUBST([HAVE_ASPRINTF])
405 if test "$ac_cv_func_snprintf" = yes; then
410 AC_SUBST([HAVE_SNPRINTF])
411 if test "$ac_cv_func_wprintf" = yes; then
416 AC_SUBST([HAVE_WPRINTF])
421 dnl Compilation on mingw and Cygwin needs special Makefile rules, because
422 dnl 1. when we install a shared library, we must arrange to export
423 dnl auxiliary pointer variables for every exported variable,
424 dnl 2. when we install a shared library and a static library simultaneously,
425 dnl the include file specifies __declspec(dllimport) and therefore we
426 dnl must arrange to define the auxiliary pointer variables for the
427 dnl exported variables _also_ in the static library.
428 if test "$enable_shared" = yes; then
430 cygwin*) is_woe32dll=yes ;;
436 WOE32DLL=$is_woe32dll
439 dnl Rename some macros and functions used for locking.
441 #define __libc_lock_t gl_lock_t
442 #define __libc_lock_define gl_lock_define
443 #define __libc_lock_define_initialized gl_lock_define_initialized
444 #define __libc_lock_init gl_lock_init
445 #define __libc_lock_lock gl_lock_lock
446 #define __libc_lock_unlock gl_lock_unlock
447 #define __libc_lock_recursive_t gl_recursive_lock_t
448 #define __libc_lock_define_recursive gl_recursive_lock_define
449 #define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized
450 #define __libc_lock_init_recursive gl_recursive_lock_init
451 #define __libc_lock_lock_recursive gl_recursive_lock_lock
452 #define __libc_lock_unlock_recursive gl_recursive_lock_unlock
453 #define glthread_in_use libintl_thread_in_use
454 #define glthread_lock_init libintl_lock_init
455 #define glthread_lock_lock libintl_lock_lock
456 #define glthread_lock_unlock libintl_lock_unlock
457 #define glthread_lock_destroy libintl_lock_destroy
458 #define glthread_rwlock_init libintl_rwlock_init
459 #define glthread_rwlock_rdlock libintl_rwlock_rdlock
460 #define glthread_rwlock_wrlock libintl_rwlock_wrlock
461 #define glthread_rwlock_unlock libintl_rwlock_unlock
462 #define glthread_rwlock_destroy libintl_rwlock_destroy
463 #define glthread_recursive_lock_init libintl_recursive_lock_init
464 #define glthread_recursive_lock_lock libintl_recursive_lock_lock
465 #define glthread_recursive_lock_unlock libintl_recursive_lock_unlock
466 #define glthread_recursive_lock_destroy libintl_recursive_lock_destroy
467 #define glthread_once libintl_once
468 #define glthread_once_call libintl_once_call
469 #define glthread_once_singlethreaded libintl_once_singlethreaded
474 dnl Checks for the core files of the intl subdirectory:
481 dnl hash-string.h hash-string.c
483 dnl libgnuintl.h.in (except the *printf stuff)
488 dnl plural-exp.h plural-exp.c
490 dnl Used by libglocale.
491 AC_DEFUN([gt_INTL_SUBDIR_CORE],
493 AC_REQUIRE([AC_C_INLINE])dnl
494 AC_REQUIRE([AC_TYPE_SIZE_T])dnl
495 AC_REQUIRE([gl_AC_HEADER_STDINT_H])
496 AC_REQUIRE([AC_FUNC_ALLOCA])dnl
497 AC_REQUIRE([AC_FUNC_MMAP])dnl
498 AC_REQUIRE([gt_INTDIV0])dnl
499 AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
500 AC_REQUIRE([gl_HEADER_INTTYPES_H])dnl
501 AC_REQUIRE([gt_INTTYPES_PRI])dnl
502 AC_REQUIRE([gl_LOCK])dnl
505 [int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }],
507 [AC_DEFINE([HAVE_BUILTIN_EXPECT], 1,
508 [Define to 1 if the compiler understands __builtin_expect.])])
510 AC_CHECK_HEADERS([argz.h limits.h unistd.h sys/param.h])
511 AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \
512 stpcpy strcasecmp strdup strtoul tsearch argz_count argz_stringify \
513 argz_next __fsetlocking])
515 dnl Use the *_unlocked functions only if they are declared.
516 dnl (because some of them were defined without being declared in Solaris
517 dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
518 dnl on Solaris 2.5.1 to run on Solaris 2.6).
519 dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
520 gt_CHECK_DECL(feof_unlocked, [#include <stdio.h>])
521 gt_CHECK_DECL(fgets_unlocked, [#include <stdio.h>])
525 dnl glibc >= 2.4 has a NL_LOCALE_NAME macro when _GNU_SOURCE is defined,
526 dnl and a _NL_LOCALE_NAME macro always.
527 AC_CACHE_CHECK([for NL_LOCALE_NAME macro], gt_cv_nl_locale_name,
528 [AC_TRY_LINK([#include <langinfo.h>
529 #include <locale.h>],
530 [char* cs = nl_langinfo(_NL_LOCALE_NAME(LC_MESSAGES));],
531 gt_cv_nl_locale_name=yes,
532 gt_cv_nl_locale_name=no)
534 if test $gt_cv_nl_locale_name = yes; then
535 AC_DEFINE(HAVE_NL_LOCALE_NAME, 1,
536 [Define if you have <langinfo.h> and it defines the NL_LOCALE_NAME macro if _GNU_SOURCE is defined.])
539 dnl intl/plural.c is generated from intl/plural.y. It requires bison,
540 dnl because plural.y uses bison specific features. It requires at least
541 dnl bison-1.26 because earlier versions generate a plural.c that doesn't
543 dnl bison is only needed for the maintainer (who touches plural.y). But in
544 dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
545 dnl the rule in general Makefile. Now, some people carelessly touch the
546 dnl files or have a broken "make" program, hence the plural.c rule will
547 dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
548 dnl present or too old.
549 AC_CHECK_PROGS([INTLBISON], [bison])
550 if test -z "$INTLBISON"; then
553 dnl Found it, now check the version.
554 AC_MSG_CHECKING([version of bison])
555 changequote(<<,>>)dnl
556 ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
557 case $ac_prog_version in
558 '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
559 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
561 ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
562 *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
564 AC_MSG_RESULT([$ac_prog_version])
566 if test $ac_verc_fail = yes; then
572 dnl Checks for special options needed on MacOS X.
573 dnl Defines INTL_MACOSX_LIBS.
574 AC_DEFUN([gt_INTL_MACOSX],
576 dnl Check for API introduced in MacOS X 10.2.
577 AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
578 gt_cv_func_CFPreferencesCopyAppValue,
579 [gt_save_LIBS="$LIBS"
580 LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
581 AC_TRY_LINK([#include <CoreFoundation/CFPreferences.h>],
582 [CFPreferencesCopyAppValue(NULL, NULL)],
583 [gt_cv_func_CFPreferencesCopyAppValue=yes],
584 [gt_cv_func_CFPreferencesCopyAppValue=no])
585 LIBS="$gt_save_LIBS"])
586 if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then
587 AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], 1,
588 [Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
590 dnl Check for API introduced in MacOS X 10.3.
591 AC_CACHE_CHECK([for CFLocaleCopyCurrent], gt_cv_func_CFLocaleCopyCurrent,
592 [gt_save_LIBS="$LIBS"
593 LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
594 AC_TRY_LINK([#include <CoreFoundation/CFLocale.h>], [CFLocaleCopyCurrent();],
595 [gt_cv_func_CFLocaleCopyCurrent=yes],
596 [gt_cv_func_CFLocaleCopyCurrent=no])
597 LIBS="$gt_save_LIBS"])
598 if test $gt_cv_func_CFLocaleCopyCurrent = yes; then
599 AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], 1,
600 [Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the CoreFoundation framework.])
603 if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then
604 INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
606 AC_SUBST([INTL_MACOSX_LIBS])
610 dnl gt_CHECK_DECL(FUNC, INCLUDES)
611 dnl Check whether a function is declared.
612 AC_DEFUN([gt_CHECK_DECL],
614 AC_CACHE_CHECK([whether $1 is declared], ac_cv_have_decl_$1,
615 [AC_TRY_COMPILE([$2], [
617 char *p = (char *) $1;
619 ], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)])
620 if test $ac_cv_have_decl_$1 = yes; then
625 AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
626 [Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
630 dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
631 AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])