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Diffstat (limited to 'm4/intl.m4')
-rw-r--r-- | m4/intl.m4 | 294 |
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1 | # intl.m4 serial 17 (gettext-0.18) | ||
2 | dnl Copyright (C) 1995-2009 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. | ||
6 | dnl | ||
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 | ||
10 | dnl functionality. | ||
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. | ||
15 | |||
16 | dnl Authors: | ||
17 | dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000. | ||
18 | dnl Bruno Haible <haible@clisp.cons.org>, 2000-2009. | ||
19 | |||
20 | AC_PREREQ([2.52]) | ||
21 | |||
22 | dnl Checks for all prerequisites of the intl subdirectory, | ||
23 | dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS, | ||
24 | dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL. | ||
25 | AC_DEFUN([AM_INTL_SUBDIR], | ||
26 | [ | ||
27 | AC_REQUIRE([AC_PROG_INSTALL])dnl | ||
28 | AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake | ||
29 | AC_REQUIRE([AC_PROG_CC])dnl | ||
30 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | ||
31 | AC_REQUIRE([gt_GLIBC2])dnl | ||
32 | AC_REQUIRE([AC_PROG_RANLIB])dnl | ||
33 | AC_REQUIRE([gl_VISIBILITY])dnl | ||
34 | AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl | ||
35 | AC_REQUIRE([AC_TYPE_LONG_LONG_INT])dnl | ||
36 | AC_REQUIRE([gt_TYPE_WCHAR_T])dnl | ||
37 | AC_REQUIRE([gt_TYPE_WINT_T])dnl | ||
38 | AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) | ||
39 | AC_REQUIRE([gt_TYPE_INTMAX_T]) | ||
40 | AC_REQUIRE([gt_PRINTF_POSIX]) | ||
41 | AC_REQUIRE([gl_GLIBC21])dnl | ||
42 | AC_REQUIRE([gl_XSIZE])dnl | ||
43 | AC_REQUIRE([gl_FCNTL_O_FLAGS])dnl | ||
44 | AC_REQUIRE([gt_INTL_MACOSX])dnl | ||
45 | |||
46 | dnl Support for automake's --enable-silent-rules. | ||
47 | case "$enable_silent_rules" in | ||
48 | yes) INTL_DEFAULT_VERBOSITY=0;; | ||
49 | no) INTL_DEFAULT_VERBOSITY=1;; | ||
50 | *) INTL_DEFAULT_VERBOSITY=1;; | ||
51 | esac | ||
52 | AC_SUBST([INTL_DEFAULT_VERBOSITY]) | ||
53 | |||
54 | AC_CHECK_TYPE([ptrdiff_t], , | ||
55 | [AC_DEFINE([ptrdiff_t], [long], | ||
56 | [Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) | ||
57 | ]) | ||
58 | AC_CHECK_HEADERS([stddef.h stdlib.h string.h]) | ||
59 | AC_CHECK_FUNCS([asprintf fwprintf newlocale putenv setenv setlocale \ | ||
60 | snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb]) | ||
61 | |||
62 | dnl Use the _snprintf function only if it is declared (because on NetBSD it | ||
63 | dnl is defined as a weak alias of snprintf; we prefer to use the latter). | ||
64 | gt_CHECK_DECL(_snprintf, [#include <stdio.h>]) | ||
65 | gt_CHECK_DECL(_snwprintf, [#include <stdio.h>]) | ||
66 | |||
67 | dnl Use the *_unlocked functions only if they are declared. | ||
68 | dnl (because some of them were defined without being declared in Solaris | ||
69 | dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built | ||
70 | dnl on Solaris 2.5.1 to run on Solaris 2.6). | ||
71 | dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13. | ||
72 | gt_CHECK_DECL(getc_unlocked, [#include <stdio.h>]) | ||
73 | |||
74 | case $gt_cv_func_printf_posix in | ||
75 | *yes) HAVE_POSIX_PRINTF=1 ;; | ||
76 | *) HAVE_POSIX_PRINTF=0 ;; | ||
77 | esac | ||
78 | AC_SUBST([HAVE_POSIX_PRINTF]) | ||
79 | if test "$ac_cv_func_asprintf" = yes; then | ||
80 | HAVE_ASPRINTF=1 | ||
81 | else | ||
82 | HAVE_ASPRINTF=0 | ||
83 | fi | ||
84 | AC_SUBST([HAVE_ASPRINTF]) | ||
85 | if test "$ac_cv_func_snprintf" = yes; then | ||
86 | HAVE_SNPRINTF=1 | ||
87 | else | ||
88 | HAVE_SNPRINTF=0 | ||
89 | fi | ||
90 | AC_SUBST([HAVE_SNPRINTF]) | ||
91 | if test "$ac_cv_func_newlocale" = yes; then | ||
92 | HAVE_NEWLOCALE=1 | ||
93 | else | ||
94 | HAVE_NEWLOCALE=0 | ||
95 | fi | ||
96 | AC_SUBST([HAVE_NEWLOCALE]) | ||
97 | if test "$ac_cv_func_wprintf" = yes; then | ||
98 | HAVE_WPRINTF=1 | ||
99 | else | ||
100 | HAVE_WPRINTF=0 | ||
101 | fi | ||
102 | AC_SUBST([HAVE_WPRINTF]) | ||
103 | |||
104 | AM_LANGINFO_CODESET | ||
105 | gt_LC_MESSAGES | ||
106 | |||
107 | dnl Compilation on mingw and Cygwin needs special Makefile rules, because | ||
108 | dnl 1. when we install a shared library, we must arrange to export | ||
109 | dnl auxiliary pointer variables for every exported variable, | ||
110 | dnl 2. when we install a shared library and a static library simultaneously, | ||
111 | dnl the include file specifies __declspec(dllimport) and therefore we | ||
112 | dnl must arrange to define the auxiliary pointer variables for the | ||
113 | dnl exported variables _also_ in the static library. | ||
114 | if test "$enable_shared" = yes; then | ||
115 | case "$host_os" in | ||
116 | mingw* | cygwin*) is_woe32dll=yes ;; | ||
117 | *) is_woe32dll=no ;; | ||
118 | esac | ||
119 | else | ||
120 | is_woe32dll=no | ||
121 | fi | ||
122 | WOE32DLL=$is_woe32dll | ||
123 | AC_SUBST([WOE32DLL]) | ||
124 | |||
125 | dnl On mingw and Cygwin, we can activate special Makefile rules which add | ||
126 | dnl version information to the shared libraries and executables. | ||
127 | case "$host_os" in | ||
128 | mingw* | cygwin*) is_woe32=yes ;; | ||
129 | *) is_woe32=no ;; | ||
130 | esac | ||
131 | WOE32=$is_woe32 | ||
132 | AC_SUBST([WOE32]) | ||
133 | if test $WOE32 = yes; then | ||
134 | dnl Check for a program that compiles Windows resource files. | ||
135 | AC_CHECK_TOOL([WINDRES], [windres]) | ||
136 | fi | ||
137 | |||
138 | dnl Determine whether when creating a library, "-lc" should be passed to | ||
139 | dnl libtool or not. On many platforms, it is required for the libtool option | ||
140 | dnl -no-undefined to work. On HP-UX, however, the -lc - stored by libtool | ||
141 | dnl in the *.la files - makes it impossible to create multithreaded programs, | ||
142 | dnl because libtool also reorders the -lc to come before the -pthread, and | ||
143 | dnl this disables pthread_create() <http://docs.hp.com/en/1896/pthreads.html>. | ||
144 | case "$host_os" in | ||
145 | hpux*) LTLIBC="" ;; | ||
146 | *) LTLIBC="-lc" ;; | ||
147 | esac | ||
148 | AC_SUBST([LTLIBC]) | ||
149 | |||
150 | dnl Rename some macros and functions used for locking. | ||
151 | AH_BOTTOM([ | ||
152 | #define __libc_lock_t gl_lock_t | ||
153 | #define __libc_lock_define gl_lock_define | ||
154 | #define __libc_lock_define_initialized gl_lock_define_initialized | ||
155 | #define __libc_lock_init gl_lock_init | ||
156 | #define __libc_lock_lock gl_lock_lock | ||
157 | #define __libc_lock_unlock gl_lock_unlock | ||
158 | #define __libc_lock_recursive_t gl_recursive_lock_t | ||
159 | #define __libc_lock_define_recursive gl_recursive_lock_define | ||
160 | #define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized | ||
161 | #define __libc_lock_init_recursive gl_recursive_lock_init | ||
162 | #define __libc_lock_lock_recursive gl_recursive_lock_lock | ||
163 | #define __libc_lock_unlock_recursive gl_recursive_lock_unlock | ||
164 | #define glthread_in_use libintl_thread_in_use | ||
165 | #define glthread_lock_init_func libintl_lock_init_func | ||
166 | #define glthread_lock_lock_func libintl_lock_lock_func | ||
167 | #define glthread_lock_unlock_func libintl_lock_unlock_func | ||
168 | #define glthread_lock_destroy_func libintl_lock_destroy_func | ||
169 | #define glthread_rwlock_init_multithreaded libintl_rwlock_init_multithreaded | ||
170 | #define glthread_rwlock_init_func libintl_rwlock_init_func | ||
171 | #define glthread_rwlock_rdlock_multithreaded libintl_rwlock_rdlock_multithreaded | ||
172 | #define glthread_rwlock_rdlock_func libintl_rwlock_rdlock_func | ||
173 | #define glthread_rwlock_wrlock_multithreaded libintl_rwlock_wrlock_multithreaded | ||
174 | #define glthread_rwlock_wrlock_func libintl_rwlock_wrlock_func | ||
175 | #define glthread_rwlock_unlock_multithreaded libintl_rwlock_unlock_multithreaded | ||
176 | #define glthread_rwlock_unlock_func libintl_rwlock_unlock_func | ||
177 | #define glthread_rwlock_destroy_multithreaded libintl_rwlock_destroy_multithreaded | ||
178 | #define glthread_rwlock_destroy_func libintl_rwlock_destroy_func | ||
179 | #define glthread_recursive_lock_init_multithreaded libintl_recursive_lock_init_multithreaded | ||
180 | #define glthread_recursive_lock_init_func libintl_recursive_lock_init_func | ||
181 | #define glthread_recursive_lock_lock_multithreaded libintl_recursive_lock_lock_multithreaded | ||
182 | #define glthread_recursive_lock_lock_func libintl_recursive_lock_lock_func | ||
183 | #define glthread_recursive_lock_unlock_multithreaded libintl_recursive_lock_unlock_multithreaded | ||
184 | #define glthread_recursive_lock_unlock_func libintl_recursive_lock_unlock_func | ||
185 | #define glthread_recursive_lock_destroy_multithreaded libintl_recursive_lock_destroy_multithreaded | ||
186 | #define glthread_recursive_lock_destroy_func libintl_recursive_lock_destroy_func | ||
187 | #define glthread_once_func libintl_once_func | ||
188 | #define glthread_once_singlethreaded libintl_once_singlethreaded | ||
189 | #define glthread_once_multithreaded libintl_once_multithreaded | ||
190 | ]) | ||
191 | ]) | ||
192 | |||
193 | |||
194 | dnl Checks for the core files of the intl subdirectory: | ||
195 | dnl dcigettext.c | ||
196 | dnl eval-plural.h | ||
197 | dnl explodename.c | ||
198 | dnl finddomain.c | ||
199 | dnl gettextP.h | ||
200 | dnl gmo.h | ||
201 | dnl hash-string.h hash-string.c | ||
202 | dnl l10nflist.c | ||
203 | dnl libgnuintl.h.in (except the *printf stuff) | ||
204 | dnl loadinfo.h | ||
205 | dnl loadmsgcat.c | ||
206 | dnl localealias.c | ||
207 | dnl log.c | ||
208 | dnl plural-exp.h plural-exp.c | ||
209 | dnl plural.y | ||
210 | dnl Used by libglocale. | ||
211 | AC_DEFUN([gt_INTL_SUBDIR_CORE], | ||
212 | [ | ||
213 | AC_REQUIRE([AC_C_INLINE])dnl | ||
214 | AC_REQUIRE([AC_TYPE_SIZE_T])dnl | ||
215 | AC_REQUIRE([gl_AC_HEADER_STDINT_H]) | ||
216 | AC_REQUIRE([AC_FUNC_ALLOCA])dnl | ||
217 | AC_REQUIRE([AC_FUNC_MMAP])dnl | ||
218 | AC_REQUIRE([gt_INTDIV0])dnl | ||
219 | AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl | ||
220 | AC_REQUIRE([gt_INTTYPES_PRI])dnl | ||
221 | AC_REQUIRE([gl_LOCK])dnl | ||
222 | |||
223 | AC_TRY_LINK( | ||
224 | [int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }], | ||
225 | [], | ||
226 | [AC_DEFINE([HAVE_BUILTIN_EXPECT], [1], | ||
227 | [Define to 1 if the compiler understands __builtin_expect.])]) | ||
228 | |||
229 | AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h]) | ||
230 | AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \ | ||
231 | stpcpy strcasecmp strdup strtoul tsearch uselocale argz_count \ | ||
232 | argz_stringify argz_next __fsetlocking]) | ||
233 | |||
234 | dnl Use the *_unlocked functions only if they are declared. | ||
235 | dnl (because some of them were defined without being declared in Solaris | ||
236 | dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built | ||
237 | dnl on Solaris 2.5.1 to run on Solaris 2.6). | ||
238 | dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13. | ||
239 | gt_CHECK_DECL([feof_unlocked], [#include <stdio.h>]) | ||
240 | gt_CHECK_DECL([fgets_unlocked], [#include <stdio.h>]) | ||
241 | |||
242 | AM_ICONV | ||
243 | |||
244 | dnl intl/plural.c is generated from intl/plural.y. It requires bison, | ||
245 | dnl because plural.y uses bison specific features. It requires at least | ||
246 | dnl bison-1.26 because earlier versions generate a plural.c that doesn't | ||
247 | dnl compile. | ||
248 | dnl bison is only needed for the maintainer (who touches plural.y). But in | ||
249 | dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put | ||
250 | dnl the rule in general Makefile. Now, some people carelessly touch the | ||
251 | dnl files or have a broken "make" program, hence the plural.c rule will | ||
252 | dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not | ||
253 | dnl present or too old. | ||
254 | AC_CHECK_PROGS([INTLBISON], [bison]) | ||
255 | if test -z "$INTLBISON"; then | ||
256 | ac_verc_fail=yes | ||
257 | else | ||
258 | dnl Found it, now check the version. | ||
259 | AC_MSG_CHECKING([version of bison]) | ||
260 | changequote(<<,>>)dnl | ||
261 | ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'` | ||
262 | case $ac_prog_version in | ||
263 | '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; | ||
264 | 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*) | ||
265 | changequote([,])dnl | ||
266 | ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; | ||
267 | *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; | ||
268 | esac | ||
269 | AC_MSG_RESULT([$ac_prog_version]) | ||
270 | fi | ||
271 | if test $ac_verc_fail = yes; then | ||
272 | INTLBISON=: | ||
273 | fi | ||
274 | ]) | ||
275 | |||
276 | |||
277 | dnl gt_CHECK_DECL(FUNC, INCLUDES) | ||
278 | dnl Check whether a function is declared. | ||
279 | AC_DEFUN([gt_CHECK_DECL], | ||
280 | [ | ||
281 | AC_CACHE_CHECK([whether $1 is declared], [ac_cv_have_decl_$1], | ||
282 | [AC_TRY_COMPILE([$2], [ | ||
283 | #ifndef $1 | ||
284 | char *p = (char *) $1; | ||
285 | #endif | ||
286 | ], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)]) | ||
287 | if test $ac_cv_have_decl_$1 = yes; then | ||
288 | gt_value=1 | ||
289 | else | ||
290 | gt_value=0 | ||
291 | fi | ||
292 | AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value], | ||
293 | [Define to 1 if you have the declaration of `$1', and to 0 if you don't.]) | ||
294 | ]) | ||