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1# gettext.m4 serial 37 (gettext-0.14.4)
2dnl Copyright (C) 1995-2005 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6dnl
7dnl This file can can be used in projects which are not available under
8dnl the GNU General Public License or the GNU Library General Public
9dnl License but which still want to provide support for the GNU gettext
10dnl functionality.
11dnl Please note that the actual code of the GNU gettext library is covered
12dnl by the GNU Library General Public License, and the rest of the GNU
13dnl gettext package package is covered by the GNU General Public License.
14dnl They are *not* in the public domain.
15
16dnl Authors:
17dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
18dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003.
19
20dnl Macro to add for using GNU gettext.
21
22dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]).
23dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The
24dnl default (if it is not specified or empty) is 'no-libtool'.
25dnl INTLSYMBOL should be 'external' for packages with no intl directory,
26dnl and 'no-libtool' or 'use-libtool' for packages with an intl directory.
27dnl If INTLSYMBOL is 'use-libtool', then a libtool library
28dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static,
29dnl depending on --{enable,disable}-{shared,static} and on the presence of
30dnl AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library
31dnl $(top_builddir)/intl/libintl.a will be created.
32dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
33dnl implementations (in libc or libintl) without the ngettext() function
34dnl will be ignored. If NEEDSYMBOL is specified and is
35dnl 'need-formatstring-macros', then GNU gettext implementations that don't
36dnl support the ISO C 99 <inttypes.h> formatstring macros will be ignored.
37dnl INTLDIR is used to find the intl libraries. If empty,
38dnl the value `$(top_builddir)/intl/' is used.
39dnl
40dnl The result of the configuration is one of three cases:
41dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
42dnl and used.
43dnl Catalog format: GNU --> install in $(datadir)
44dnl Catalog extension: .mo after installation, .gmo in source tree
45dnl 2) GNU gettext has been found in the system's C library.
46dnl Catalog format: GNU --> install in $(datadir)
47dnl Catalog extension: .mo after installation, .gmo in source tree
48dnl 3) No internationalization, always use English msgid.
49dnl Catalog format: none
50dnl Catalog extension: none
51dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur.
52dnl The use of .gmo is historical (it was needed to avoid overwriting the
53dnl GNU format catalogs when building on a platform with an X/Open gettext),
54dnl but we keep it in order not to force irrelevant filename changes on the
55dnl maintainers.
56dnl
57AC_DEFUN([AM_GNU_GETTEXT],
58[
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
62])])])])])
63 ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], ,
64 [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
65])])])])
66 define([gt_included_intl], ifelse([$1], [external], [no], [yes]))
67 define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], []))
68
69 AC_REQUIRE([AM_PO_SUBDIRS])dnl
70 ifelse(gt_included_intl, yes, [
71 AC_REQUIRE([AM_INTL_SUBDIR])dnl
72 ])
73
74 dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
75 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
76 AC_REQUIRE([AC_LIB_RPATH])
77
78 dnl Sometimes libintl requires libiconv, so first search for libiconv.
79 dnl Ideally we would do this search only after the
80 dnl if test "$USE_NLS" = "yes"; then
81 dnl if test "$gt_cv_func_gnugettext_libc" != "yes"; then
82 dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
83 dnl the configure script would need to contain the same shell code
84 dnl again, outside any 'if'. There are two solutions:
85 dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
86 dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
87 dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not
88 dnl documented, we avoid it.
89 ifelse(gt_included_intl, yes, , [
90 AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
91 ])
92
93 dnl Sometimes, on MacOS X, libintl requires linking with CoreFoundation.
94 gt_INTL_MACOSX
95
96 dnl Set USE_NLS.
97 AM_NLS
98
99 ifelse(gt_included_intl, yes, [
100 BUILD_INCLUDED_LIBINTL=no
101 USE_INCLUDED_LIBINTL=no
102 ])
103 LIBINTL=
104 LTLIBINTL=
105 POSUB=
106
107 dnl If we use NLS figure out what method
108 if test "$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)
117
118 nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
119 if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
120 ])
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.
124
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])
129
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)
135#endif
136changequote(,)dnl
137typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
138changequote([,])dnl
139], [])[extern int _nl_msg_cat_cntr;
140extern int *_nl_domain_bindings;],
141 [bindtextdomain ("", "");
142return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
143 gt_cv_func_gnugettext_libc=yes,
144 gt_cv_func_gnugettext_libc=no)])
145
146 if test "$gt_cv_func_gnugettext_libc" != "yes"; then
147 dnl Sometimes libintl requires libiconv, so first search for libiconv.
148 ifelse(gt_included_intl, yes, , [
149 AM_ICONV_LINK
150 ])
151 dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
152 dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
153 dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
154 dnl even if libiconv doesn't exist.
155 AC_LIB_LINKFLAGS_BODY([intl])
156 AC_CACHE_CHECK([for GNU gettext in libintl],
157 gt_cv_func_gnugettext_libintl,
158 [gt_save_CPPFLAGS="$CPPFLAGS"
159 CPPFLAGS="$CPPFLAGS $INCINTL"
160 gt_save_LIBS="$LIBS"
161 LIBS="$LIBS $LIBINTL"
162 dnl Now see whether libintl exists and does not depend on libiconv.
163 AC_TRY_LINK([#include <libintl.h>
164]ifelse([$2], [need-formatstring-macros],
165[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
166#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
167#endif
168changequote(,)dnl
169typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
170changequote([,])dnl
171], [])[extern int _nl_msg_cat_cntr;
172extern
173#ifdef __cplusplus
174"C"
175#endif
176const char *_nl_expand_alias (const char *);],
177 [bindtextdomain ("", "");
178return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
179 gt_cv_func_gnugettext_libintl=yes,
180 gt_cv_func_gnugettext_libintl=no)
181 dnl Now see whether libintl exists and depends on libiconv.
182 if test "$gt_cv_func_gnugettext_libintl" != yes && test -n "$LIBICONV"; then
183 LIBS="$LIBS $LIBICONV"
184 AC_TRY_LINK([#include <libintl.h>
185]ifelse([$2], [need-formatstring-macros],
186[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
187#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
188#endif
189changequote(,)dnl
190typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
191changequote([,])dnl
192], [])[extern int _nl_msg_cat_cntr;
193extern
194#ifdef __cplusplus
195"C"
196#endif
197const char *_nl_expand_alias (const char *);],
198 [bindtextdomain ("", "");
199return * gettext ("")]ifelse([$2], [need-ngettext], [ + * ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias ("")],
200 [LIBINTL="$LIBINTL $LIBICONV"
201 LTLIBINTL="$LTLIBINTL $LTLIBICONV"
202 gt_cv_func_gnugettext_libintl=yes
203 ])
204 fi
205 CPPFLAGS="$gt_save_CPPFLAGS"
206 LIBS="$gt_save_LIBS"])
207 fi
208
209 dnl If an already present or preinstalled GNU gettext() is found,
210 dnl use it. But if this macro is used in GNU gettext, and GNU
211 dnl gettext is already preinstalled in libintl, we update this
212 dnl libintl. (Cf. the install rule in intl/Makefile.in.)
213 if test "$gt_cv_func_gnugettext_libc" = "yes" \
214 || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
215 && test "$PACKAGE" != gettext-runtime \
216 && test "$PACKAGE" != gettext-tools; }; then
217 gt_use_preinstalled_gnugettext=yes
218 else
219 dnl Reset the values set by searching for libintl.
220 LIBINTL=
221 LTLIBINTL=
222 INCINTL=
223 fi
224
225 ifelse(gt_included_intl, yes, [
226 if test "$gt_use_preinstalled_gnugettext" != "yes"; then
227 dnl GNU gettext is not found in the C library.
228 dnl Fall back on included GNU gettext library.
229 nls_cv_use_gnu_gettext=yes
230 fi
231 fi
232
233 if test "$nls_cv_use_gnu_gettext" = "yes"; then
234 dnl Mark actions used to generate GNU NLS library.
235 BUILD_INCLUDED_LIBINTL=yes
236 USE_INCLUDED_LIBINTL=yes
237 LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV"
238 LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV"
239 LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
240 fi
241
242 CATOBJEXT=
243 if test "$gt_use_preinstalled_gnugettext" = "yes" \
244 || test "$nls_cv_use_gnu_gettext" = "yes"; then
245 dnl Mark actions to use GNU gettext tools.
246 CATOBJEXT=.gmo
247 fi
248 ])
249
250 if test -n "$INTL_MACOSX_LIBS"; then
251 if test "$gt_use_preinstalled_gnugettext" = "yes" \
252 || test "$nls_cv_use_gnu_gettext" = "yes"; then
253 dnl Some extra flags are needed during linking.
254 LIBINTL="$LIBINTL $INTL_MACOSX_LIBS"
255 LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS"
256 fi
257 fi
258
259 if test "$gt_use_preinstalled_gnugettext" = "yes" \
260 || test "$nls_cv_use_gnu_gettext" = "yes"; then
261 AC_DEFINE(ENABLE_NLS, 1,
262 [Define to 1 if translation of program messages to the user's native language
263 is requested.])
264 else
265 USE_NLS=no
266 fi
267 fi
268
269 AC_MSG_CHECKING([whether to use NLS])
270 AC_MSG_RESULT([$USE_NLS])
271 if test "$USE_NLS" = "yes"; then
272 AC_MSG_CHECKING([where the gettext function comes from])
273 if test "$gt_use_preinstalled_gnugettext" = "yes"; then
274 if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
275 gt_source="external libintl"
276 else
277 gt_source="libc"
278 fi
279 else
280 gt_source="included intl directory"
281 fi
282 AC_MSG_RESULT([$gt_source])
283 fi
284
285 if test "$USE_NLS" = "yes"; then
286
287 if test "$gt_use_preinstalled_gnugettext" = "yes"; then
288 if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
289 AC_MSG_CHECKING([how to link with libintl])
290 AC_MSG_RESULT([$LIBINTL])
291 AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
292 fi
293
294 dnl For backward compatibility. Some packages may be using this.
295 AC_DEFINE(HAVE_GETTEXT, 1,
296 [Define if the GNU gettext() function is already present or preinstalled.])
297 AC_DEFINE(HAVE_DCGETTEXT, 1,
298 [Define if the GNU dcgettext() function is already present or preinstalled.])
299 fi
300
301 dnl We need to process the po/ directory.
302 POSUB=po
303 fi
304
305 ifelse(gt_included_intl, yes, [
306 dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
307 dnl to 'yes' because some of the testsuite requires it.
308 if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then
309 BUILD_INCLUDED_LIBINTL=yes
310 fi
311
312 dnl Make all variables we use known to autoconf.
313 AC_SUBST(BUILD_INCLUDED_LIBINTL)
314 AC_SUBST(USE_INCLUDED_LIBINTL)
315 AC_SUBST(CATOBJEXT)
316
317 dnl For backward compatibility. Some configure.ins may be using this.
318 nls_cv_header_intl=
319 nls_cv_header_libgt=
320
321 dnl For backward compatibility. Some Makefiles may be using this.
322 DATADIRNAME=share
323 AC_SUBST(DATADIRNAME)
324
325 dnl For backward compatibility. Some Makefiles may be using this.
326 INSTOBJEXT=.mo
327 AC_SUBST(INSTOBJEXT)
328
329 dnl For backward compatibility. Some Makefiles may be using this.
330 GENCAT=gencat
331 AC_SUBST(GENCAT)
332
333 dnl For backward compatibility. Some Makefiles may be using this.
334 INTLOBJS=
335 if test "$USE_INCLUDED_LIBINTL" = yes; then
336 INTLOBJS="\$(GETTOBJS)"
337 fi
338 AC_SUBST(INTLOBJS)
339
340 dnl Enable libtool support if the surrounding package wishes it.
341 INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
342 AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
343 ])
344
345 dnl For backward compatibility. Some Makefiles may be using this.
346 INTLLIBS="$LIBINTL"
347 AC_SUBST(INTLLIBS)
348
349 dnl Make all documented variables known to autoconf.
350 AC_SUBST(LIBINTL)
351 AC_SUBST(LTLIBINTL)
352 AC_SUBST(POSUB)
353])
354
355
356dnl Checks for all prerequisites of the intl subdirectory,
357dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
358dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
359AC_DEFUN([AM_INTL_SUBDIR],
360[
361 AC_REQUIRE([AC_PROG_INSTALL])dnl
362 AC_REQUIRE([AM_MKINSTALLDIRS])dnl
363 AC_REQUIRE([AC_PROG_CC])dnl
364 AC_REQUIRE([AC_CANONICAL_HOST])dnl
365 AC_REQUIRE([gt_GLIBC2])dnl
366 AC_REQUIRE([AC_PROG_RANLIB])dnl
367 AC_REQUIRE([AC_ISC_POSIX])dnl
368 AC_REQUIRE([AC_HEADER_STDC])dnl
369 AC_REQUIRE([AC_C_CONST])dnl
370 AC_REQUIRE([bh_C_SIGNED])dnl
371 AC_REQUIRE([AC_C_INLINE])dnl
372 AC_REQUIRE([AC_TYPE_OFF_T])dnl
373 AC_REQUIRE([AC_TYPE_SIZE_T])dnl
374 AC_REQUIRE([gl_AC_TYPE_LONG_LONG])dnl
375 AC_REQUIRE([gt_TYPE_LONGDOUBLE])dnl
376 AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
377 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])
382 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
386 AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
387 AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
388 AC_REQUIRE([gt_INTTYPES_PRI])dnl
389 AC_REQUIRE([gl_XSIZE])dnl
390 AC_REQUIRE([gt_INTL_MACOSX])dnl
391
392 AC_CHECK_TYPE([ptrdiff_t], ,
393 [AC_DEFINE([ptrdiff_t], [long],
394 [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
395 ])
396 AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
397stdlib.h string.h unistd.h sys/param.h])
398 AC_CHECK_FUNCS([asprintf fwprintf getcwd getegid geteuid getgid getuid \
399mempcpy munmap putenv setenv setlocale snprintf stpcpy strcasecmp strdup \
400strtoul tsearch wcslen __argz_count __argz_stringify __argz_next \
401__fsetlocking])
402
403 dnl Use the _snprintf function only if it is declared (because on NetBSD it
404 dnl is defined as a weak alias of snprintf; we prefer to use the latter).
405 gt_CHECK_DECL(_snprintf, [#include <stdio.h>])
406 gt_CHECK_DECL(_snwprintf, [#include <stdio.h>])
407
408 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>])
416
417 case $gt_cv_func_printf_posix in
418 *yes) HAVE_POSIX_PRINTF=1 ;;
419 *) HAVE_POSIX_PRINTF=0 ;;
420 esac
421 AC_SUBST([HAVE_POSIX_PRINTF])
422 if test "$ac_cv_func_asprintf" = yes; then
423 HAVE_ASPRINTF=1
424 else
425 HAVE_ASPRINTF=0
426 fi
427 AC_SUBST([HAVE_ASPRINTF])
428 if test "$ac_cv_func_snprintf" = yes; then
429 HAVE_SNPRINTF=1
430 else
431 HAVE_SNPRINTF=0
432 fi
433 AC_SUBST([HAVE_SNPRINTF])
434 if test "$ac_cv_func_wprintf" = yes; then
435 HAVE_WPRINTF=1
436 else
437 HAVE_WPRINTF=0
438 fi
439 AC_SUBST([HAVE_WPRINTF])
440
441 AM_ICONV
442 AM_LANGINFO_CODESET
443 if test $ac_cv_header_locale_h = yes; then
444 gt_LC_MESSAGES
445 fi
446
447 if test -n "$INTL_MACOSX_LIBS"; then
448 CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
449 fi
450
451 dnl intl/plural.c is generated from intl/plural.y. It requires bison,
452 dnl because plural.y uses bison specific features. It requires at least
453 dnl bison-1.26 because earlier versions generate a plural.c that doesn't
454 dnl compile.
455 dnl bison is only needed for the maintainer (who touches plural.y). But in
456 dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
457 dnl the rule in general Makefile. Now, some people carelessly touch the
458 dnl files or have a broken "make" program, hence the plural.c rule will
459 dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
460 dnl present or too old.
461 AC_CHECK_PROGS([INTLBISON], [bison])
462 if test -z "$INTLBISON"; then
463 ac_verc_fail=yes
464 else
465 dnl Found it, now check the version.
466 AC_MSG_CHECKING([version of bison])
467changequote(<<,>>)dnl
468 ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
469 case $ac_prog_version in
470 '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
471 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
472changequote([,])dnl
473 ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
474 *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
475 esac
476 AC_MSG_RESULT([$ac_prog_version])
477 fi
478 if test $ac_verc_fail = yes; then
479 INTLBISON=:
480 fi
481])
482
483
484dnl Checks for special options needed on MacOS X.
485dnl Defines INTL_MACOSX_LIBS.
486AC_DEFUN([gt_INTL_MACOSX],
487[
488 dnl Check for API introduced in MacOS X 10.2.
489 AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
490 gt_cv_func_CFPreferencesCopyAppValue,
491 [gt_save_CPPFLAGS="$CPPFLAGS"
492 CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
493 gt_save_LIBS="$LIBS"
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 $gt_cv_func_CFPreferencesCopyAppValue = yes; then
502 AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], 1,
503 [Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
504 fi
505 dnl Check for API introduced in MacOS X 10.3.
506 AC_CACHE_CHECK([for CFLocaleCopyCurrent], gt_cv_func_CFLocaleCopyCurrent,
507 [gt_save_CPPFLAGS="$CPPFLAGS"
508 CPPFLAGS="$CPPFLAGS -I/System/Library/Frameworks/CoreFoundation.framework/Headers"
509 gt_save_LIBS="$LIBS"
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.])
519 fi
520 INTL_MACOSX_LIBS=
521 if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then
522 INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
523 fi
524 AC_SUBST([INTL_MACOSX_LIBS])
525])
526
527
528dnl gt_CHECK_DECL(FUNC, INCLUDES)
529dnl Check whether a function is declared.
530AC_DEFUN([gt_CHECK_DECL],
531[
532 AC_CACHE_CHECK([whether $1 is declared], ac_cv_have_decl_$1,
533 [AC_TRY_COMPILE([$2], [
534#ifndef $1
535 char *p = (char *) $1;
536#endif
537], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)])
538 if test $ac_cv_have_decl_$1 = yes; then
539 gt_value=1
540 else
541 gt_value=0
542 fi
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.])
545])
546
547
548dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
549AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])