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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [config/] [gettext.m4] - Blame information for rev 829

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Line No. Rev Author Line
1 207 jeremybenn
# gettext.m4 serial 20 (gettext-0.12)
2
dnl Copyright (C) 1995-2003 Free Software Foundation, Inc.
3
dnl This file is free software, distributed under the terms of the GNU
4
dnl General Public License.  As a special exception to the GNU General
5
dnl Public License, this file may be distributed as part of a program
6
dnl that contains a configuration script generated by Autoconf, under
7
dnl the same distribution terms as the rest of that program.
8
dnl
9
dnl This file can can be used in projects which are not available under
10
dnl the GNU General Public License or the GNU Library General Public
11
dnl License but which still want to provide support for the GNU gettext
12
dnl functionality.
13
dnl Please note that the actual code of the GNU gettext library is covered
14
dnl by the GNU Library General Public License, and the rest of the GNU
15
dnl gettext package package is covered by the GNU General Public License.
16
dnl They are *not* in the public domain.
17
 
18
dnl Authors:
19
dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
20
dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
21
 
22
dnl Macro to add for using GNU gettext.
23
 
24
dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]).
25
dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The
26
dnl    default (if it is not specified or empty) is 'no-libtool'.
27
dnl    INTLSYMBOL should be 'external' for packages with no intl directory,
28
dnl    and 'no-libtool' or 'use-libtool' for packages with an intl directory.
29
dnl    If INTLSYMBOL is 'use-libtool', then a libtool library
30
dnl    $(top_builddir)/intl/libintl.la will be created (shared and/or static,
31
dnl    depending on --{enable,disable}-{shared,static} and on the presence of
32
dnl    AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library
33
dnl    $(top_builddir)/intl/libintl.a will be created.
34
dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
35
dnl    implementations (in libc or libintl) without the ngettext() function
36
dnl    will be ignored.  If NEEDSYMBOL is specified and is
37
dnl    'need-formatstring-macros', then GNU gettext implementations that don't
38
dnl    support the ISO C 99 <inttypes.h> formatstring macros will be ignored.
39
dnl INTLDIR is used to find the intl libraries.  If empty,
40
dnl    the value `$(top_builddir)/intl/' is used.
41
dnl
42
dnl The result of the configuration is one of three cases:
43
dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
44
dnl    and used.
45
dnl    Catalog format: GNU --> install in $(datadir)
46
dnl    Catalog extension: .mo after installation, .gmo in source tree
47
dnl 2) GNU gettext has been found in the system's C library.
48
dnl    Catalog format: GNU --> install in $(datadir)
49
dnl    Catalog extension: .mo after installation, .gmo in source tree
50
dnl 3) No internationalization, always use English msgid.
51
dnl    Catalog format: none
52
dnl    Catalog extension: none
53
dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur.
54
dnl The use of .gmo is historical (it was needed to avoid overwriting the
55
dnl GNU format catalogs when building on a platform with an X/Open gettext),
56
dnl but we keep it in order not to force irrelevant filename changes on the
57
dnl maintainers.
58
dnl
59
AC_DEFUN([AM_GNU_GETTEXT],
60
[
61
  dnl Argument checking.
62
  ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], ,
63
    [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT
64
])])])])])
65
  ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], ,
66
    [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
67
])])])])
68
  define(gt_included_intl, ifelse([$1], [external], [no], [yes]))
69
  define(gt_libtool_suffix_prefix, ifelse([$1], [use-libtool], [l], []))
70
 
71
  AC_REQUIRE([AM_PO_SUBDIRS])dnl
72
  ifelse(gt_included_intl, yes, [
73
    AC_REQUIRE([AM_INTL_SUBDIR])dnl
74
  ])
75
 
76
  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
77
  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
78
  AC_REQUIRE([AC_LIB_RPATH])
79
 
80
  dnl Sometimes libintl requires libiconv, so first search for libiconv.
81
  dnl Ideally we would do this search only after the
82
  dnl      if test "$USE_NLS" = "yes"; then
83
  dnl        if test "$gt_cv_func_gnugettext_libc" != "yes"; then
84
  dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
85
  dnl the configure script would need to contain the same shell code
86
  dnl again, outside any 'if'. There are two solutions:
87
  dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
88
  dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
89
  dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not
90
  dnl documented, we avoid it.
91
  ifelse(gt_included_intl, yes, , [
92
    AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
93
  ])
94
 
95
  dnl Set USE_NLS.
96
  AM_NLS
97
 
98
  ifelse(gt_included_intl, yes, [
99
    BUILD_INCLUDED_LIBINTL=no
100
    USE_INCLUDED_LIBINTL=no
101
  ])
102
  LIBINTL=
103
  LTLIBINTL=
104
  POSUB=
105
 
106
  dnl If we use NLS figure out what method
107
  if test "$USE_NLS" = "yes"; then
108
    gt_use_preinstalled_gnugettext=no
109
    ifelse(gt_included_intl, yes, [
110
      AC_MSG_CHECKING([whether included gettext is requested])
111
      AC_ARG_WITH(included-gettext,
112
        [  --with-included-gettext use the GNU gettext library included here],
113
        nls_cv_force_use_gnu_gettext=$withval,
114
        nls_cv_force_use_gnu_gettext=no)
115
      AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
116
 
117
      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
118
      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
119
    ])
120
        dnl User does not insist on using GNU NLS library.  Figure out what
121
        dnl to use.  If GNU gettext is available we use this.  Else we have
122
        dnl to fall back to GNU NLS library.
123
 
124
        dnl Add a version number to the cache macros.
125
        define([gt_api_version], ifelse([$2], [need-formatstring-macros], 3, ifelse([$2], [need-ngettext], 2, 1)))
126
        define([gt_cv_func_gnugettext_libc], [gt_cv_func_gnugettext]gt_api_version[_libc])
127
        define([gt_cv_func_gnugettext_libintl], [gt_cv_func_gnugettext]gt_api_version[_libintl])
128
 
129
        AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
130
         [AC_TRY_LINK([#include <libintl.h>
131
]ifelse([$2], [need-formatstring-macros],
132
[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
133
#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
134
#endif
135
changequote(,)dnl
136
typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
137
changequote([,])dnl
138
], [])[extern int _nl_msg_cat_cntr;
139
extern int *_nl_domain_bindings;],
140
            [bindtextdomain ("", "");
141
return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
142
            gt_cv_func_gnugettext_libc=yes,
143
            gt_cv_func_gnugettext_libc=no)])
144
 
145
        if test "$gt_cv_func_gnugettext_libc" != "yes"; then
146
          dnl Sometimes libintl requires libiconv, so first search for libiconv.
147
          ifelse(gt_included_intl, yes, , [
148
            AM_ICONV_LINK
149
          ])
150
          dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
151
          dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
152
          dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
153
          dnl even if libiconv doesn't exist.
154
          AC_LIB_LINKFLAGS_BODY([intl])
155
          AC_CACHE_CHECK([for GNU gettext in libintl],
156
            gt_cv_func_gnugettext_libintl,
157
           [gt_save_CPPFLAGS="$CPPFLAGS"
158
            CPPFLAGS="$CPPFLAGS $INCINTL"
159
            gt_save_LIBS="$LIBS"
160
            LIBS="$LIBS $LIBINTL"
161
            dnl Now see whether libintl exists and does not depend on libiconv.
162
            AC_TRY_LINK([#include <libintl.h>
163
]ifelse([$2], [need-formatstring-macros],
164
[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
165
#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
166
#endif
167
changequote(,)dnl
168
typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
169
changequote([,])dnl
170
], [])[extern int _nl_msg_cat_cntr;
171
extern
172
#ifdef __cplusplus
173
"C"
174
#endif
175
const char *_nl_expand_alias ();],
176
              [bindtextdomain ("", "");
177
return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
178
              gt_cv_func_gnugettext_libintl=yes,
179
              gt_cv_func_gnugettext_libintl=no)
180
            dnl Now see whether libintl exists and depends on libiconv.
181
            if test "$gt_cv_func_gnugettext_libintl" != yes && test -n "$LIBICONV"; then
182
              LIBS="$LIBS $LIBICONV"
183
              AC_TRY_LINK([#include <libintl.h>
184
]ifelse([$2], [need-formatstring-macros],
185
[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
186
#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
187
#endif
188
changequote(,)dnl
189
typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
190
changequote([,])dnl
191
], [])[extern int _nl_msg_cat_cntr;
192
extern
193
#ifdef __cplusplus
194
"C"
195
#endif
196
const char *_nl_expand_alias ();],
197
                [bindtextdomain ("", "");
198
return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
199
               [LIBINTL="$LIBINTL $LIBICONV"
200
                LTLIBINTL="$LTLIBINTL $LTLIBICONV"
201
                gt_cv_func_gnugettext_libintl=yes
202
               ])
203
            fi
204
            CPPFLAGS="$gt_save_CPPFLAGS"
205
            LIBS="$gt_save_LIBS"])
206
        fi
207
 
208
        dnl If an already present or preinstalled GNU gettext() is found,
209
        dnl use it.  But if this macro is used in GNU gettext, and GNU
210
        dnl gettext is already preinstalled in libintl, we update this
211
        dnl libintl.  (Cf. the install rule in intl/Makefile.in.)
212
        if test "$gt_cv_func_gnugettext_libc" = "yes" \
213
           || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
214
                && test "$PACKAGE" != gettext-runtime \
215
                && test "$PACKAGE" != gettext-tools; }; then
216
          gt_use_preinstalled_gnugettext=yes
217
        else
218
          dnl Reset the values set by searching for libintl.
219
          LIBINTL=
220
          LTLIBINTL=
221
          INCINTL=
222
        fi
223
 
224
    ifelse(gt_included_intl, yes, [
225
        if test "$gt_use_preinstalled_gnugettext" != "yes"; then
226
          dnl GNU gettext is not found in the C library.
227
          dnl Fall back on included GNU gettext library.
228
          nls_cv_use_gnu_gettext=yes
229
        fi
230
      fi
231
 
232
      if test "$nls_cv_use_gnu_gettext" = "yes"; then
233
        dnl Mark actions used to generate GNU NLS library.
234
        BUILD_INCLUDED_LIBINTL=yes
235
        USE_INCLUDED_LIBINTL=yes
236
        LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV"
237
        LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV"
238
        LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
239
      fi
240
 
241
      if test "$gt_use_preinstalled_gnugettext" = "yes" \
242
         || test "$nls_cv_use_gnu_gettext" = "yes"; then
243
        dnl Mark actions to use GNU gettext tools.
244
        CATOBJEXT=.gmo
245
      fi
246
    ])
247
 
248
    if test "$gt_use_preinstalled_gnugettext" = "yes" \
249
       || test "$nls_cv_use_gnu_gettext" = "yes"; then
250
      AC_DEFINE(ENABLE_NLS, 1,
251
        [Define to 1 if translation of program messages to the user's native language
252
   is requested.])
253
    else
254
      USE_NLS=no
255
    fi
256
  fi
257
 
258
  AC_MSG_CHECKING([whether to use NLS])
259
  AC_MSG_RESULT([$USE_NLS])
260
  if test "$USE_NLS" = "yes"; then
261
    AC_MSG_CHECKING([where the gettext function comes from])
262
    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
263
      if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
264
        gt_source="external libintl"
265
      else
266
        gt_source="libc"
267
      fi
268
    else
269
      gt_source="included intl directory"
270
    fi
271
    AC_MSG_RESULT([$gt_source])
272
  fi
273
 
274
  if test "$USE_NLS" = "yes"; then
275
 
276
    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
277
      if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
278
        AC_MSG_CHECKING([how to link with libintl])
279
        AC_MSG_RESULT([$LIBINTL])
280
        AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
281
      fi
282
 
283
      dnl For backward compatibility. Some packages may be using this.
284
      AC_DEFINE(HAVE_GETTEXT, 1,
285
       [Define if the GNU gettext() function is already present or preinstalled.])
286
      AC_DEFINE(HAVE_DCGETTEXT, 1,
287
       [Define if the GNU dcgettext() function is already present or preinstalled.])
288
    fi
289
 
290
    dnl We need to process the po/ directory.
291
    POSUB=po
292
  fi
293
 
294
  ifelse(gt_included_intl, yes, [
295
    dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
296
    dnl to 'yes' because some of the testsuite requires it.
297
    if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then
298
      BUILD_INCLUDED_LIBINTL=yes
299
    fi
300
 
301
    dnl Make all variables we use known to autoconf.
302
    AC_SUBST(BUILD_INCLUDED_LIBINTL)
303
    AC_SUBST(USE_INCLUDED_LIBINTL)
304
    AC_SUBST(CATOBJEXT)
305
 
306
    dnl For backward compatibility. Some configure.ins may be using this.
307
    nls_cv_header_intl=
308
    nls_cv_header_libgt=
309
 
310
    dnl For backward compatibility. Some Makefiles may be using this.
311
    DATADIRNAME=share
312
    AC_SUBST(DATADIRNAME)
313
 
314
    dnl For backward compatibility. Some Makefiles may be using this.
315
    INSTOBJEXT=.mo
316
    AC_SUBST(INSTOBJEXT)
317
 
318
    dnl For backward compatibility. Some Makefiles may be using this.
319
    GENCAT=gencat
320
    AC_SUBST(GENCAT)
321
 
322
    dnl For backward compatibility. Some Makefiles may be using this.
323
    if test "$USE_INCLUDED_LIBINTL" = yes; then
324
      INTLOBJS="\$(GETTOBJS)"
325
    fi
326
    AC_SUBST(INTLOBJS)
327
 
328
    dnl Enable libtool support if the surrounding package wishes it.
329
    INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
330
    AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
331
  ])
332
 
333
  dnl For backward compatibility. Some Makefiles may be using this.
334
  INTLLIBS="$LIBINTL"
335
  AC_SUBST(INTLLIBS)
336
 
337
  dnl Make all documented variables known to autoconf.
338
  AC_SUBST(LIBINTL)
339
  AC_SUBST(LTLIBINTL)
340
  AC_SUBST(POSUB)
341
])
342
 
343
 
344
dnl Checks for all prerequisites of the intl subdirectory,
345
dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
346
dnl            USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
347
AC_DEFUN([AM_INTL_SUBDIR],
348
[
349
  AC_REQUIRE([AC_PROG_INSTALL])dnl
350
  AC_REQUIRE([AM_MKINSTALLDIRS])dnl
351
  AC_REQUIRE([AC_PROG_CC])dnl
352
  AC_REQUIRE([AC_CANONICAL_HOST])dnl
353
  AC_REQUIRE([AC_PROG_RANLIB])dnl
354
  AC_REQUIRE([AC_ISC_POSIX])dnl
355
  AC_REQUIRE([AC_HEADER_STDC])dnl
356
  AC_REQUIRE([AC_C_CONST])dnl
357
  AC_REQUIRE([AC_C_INLINE])dnl
358
  AC_REQUIRE([AC_TYPE_OFF_T])dnl
359
  AC_REQUIRE([AC_TYPE_SIZE_T])dnl
360
  AC_REQUIRE([AC_FUNC_ALLOCA])dnl
361
  AC_REQUIRE([AC_FUNC_MMAP])dnl
362
  AC_REQUIRE([jm_GLIBC21])dnl
363
  AC_REQUIRE([gt_INTDIV0])dnl
364
  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])dnl
365
  AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
366
  AC_REQUIRE([gt_INTTYPES_PRI])dnl
367
 
368
  AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
369
stdlib.h string.h unistd.h sys/param.h])
370
  AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getc_unlocked getcwd getegid \
371
geteuid getgid getuid mempcpy munmap putenv setenv setlocale stpcpy \
372
strcasecmp strdup strtoul tsearch __argz_count __argz_stringify __argz_next \
373
__fsetlocking])
374
 
375
  AM_ICONV
376
  AM_LANGINFO_CODESET
377
  if test $ac_cv_header_locale_h = yes; then
378
    AM_LC_MESSAGES
379
  fi
380
 
381
  dnl intl/plural.c is generated from intl/plural.y. It requires bison,
382
  dnl because plural.y uses bison specific features. It requires at least
383
  dnl bison-1.26 because earlier versions generate a plural.c that doesn't
384
  dnl compile.
385
  dnl bison is only needed for the maintainer (who touches plural.y). But in
386
  dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
387
  dnl the rule in general Makefile. Now, some people carelessly touch the
388
  dnl files or have a broken "make" program, hence the plural.c rule will
389
  dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
390
  dnl present or too old.
391
  AC_CHECK_PROGS([INTLBISON], [bison])
392
  if test -z "$INTLBISON"; then
393
    ac_verc_fail=yes
394
  else
395
    dnl Found it, now check the version.
396
    AC_MSG_CHECKING([version of bison])
397
changequote(<<,>>)dnl
398
    ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
399
    case $ac_prog_version in
400
      '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
401
      1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
402
changequote([,])dnl
403
         ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
404
      *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
405
    esac
406
    AC_MSG_RESULT([$ac_prog_version])
407
  fi
408
  if test $ac_verc_fail = yes; then
409
    INTLBISON=:
410
  fi
411
])
412
 
413
 
414
dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
415
AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])

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