diff options
author | Christian Grothoff <christian@grothoff.org> | 2007-02-08 20:46:19 +0000 |
---|---|---|
committer | Christian Grothoff <christian@grothoff.org> | 2007-02-08 20:46:19 +0000 |
commit | e6547f7d23ec87ac244e18ce3c65922eb74ee445 (patch) | |
tree | b75c7d6e83a4dbb76335ca130952ee8a6568abad | |
parent | 84ddc15a76bea41cfe2f3aabd01262297d5beca2 (diff) | |
download | gnunet-gtk-e6547f7d23ec87ac244e18ce3c65922eb74ee445.tar.gz gnunet-gtk-e6547f7d23ec87ac244e18ce3c65922eb74ee445.zip |
gettext update
-rw-r--r-- | m4/intl.m4 | 259 | ||||
-rw-r--r-- | m4/intldir.m4 | 19 | ||||
-rw-r--r-- | m4/lock.m4 | 311 | ||||
-rw-r--r-- | m4/visibility.m4 | 52 |
4 files changed, 641 insertions, 0 deletions
diff --git a/m4/intl.m4 b/m4/intl.m4 new file mode 100644 index 00000000..dcefb118 --- /dev/null +++ b/m4/intl.m4 | |||
@@ -0,0 +1,259 @@ | |||
1 | # intl.m4 serial 3 (gettext-0.16) | ||
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. | ||
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>, 2000-2006. | ||
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_LONGDOUBLE])dnl | ||
37 | AC_REQUIRE([gt_TYPE_WCHAR_T])dnl | ||
38 | AC_REQUIRE([gt_TYPE_WINT_T])dnl | ||
39 | AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) | ||
40 | AC_REQUIRE([gt_TYPE_INTMAX_T]) | ||
41 | AC_REQUIRE([gt_PRINTF_POSIX]) | ||
42 | AC_REQUIRE([gl_GLIBC21])dnl | ||
43 | AC_REQUIRE([gl_XSIZE])dnl | ||
44 | AC_REQUIRE([gt_INTL_MACOSX])dnl | ||
45 | |||
46 | AC_CHECK_TYPE([ptrdiff_t], , | ||
47 | [AC_DEFINE([ptrdiff_t], [long], | ||
48 | [Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) | ||
49 | ]) | ||
50 | AC_CHECK_HEADERS([stddef.h stdlib.h string.h]) | ||
51 | AC_CHECK_FUNCS([asprintf fwprintf putenv setenv setlocale snprintf wcslen]) | ||
52 | |||
53 | dnl Use the _snprintf function only if it is declared (because on NetBSD it | ||
54 | dnl is defined as a weak alias of snprintf; we prefer to use the latter). | ||
55 | gt_CHECK_DECL(_snprintf, [#include <stdio.h>]) | ||
56 | gt_CHECK_DECL(_snwprintf, [#include <stdio.h>]) | ||
57 | |||
58 | dnl Use the *_unlocked functions only if they are declared. | ||
59 | dnl (because some of them were defined without being declared in Solaris | ||
60 | dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built | ||
61 | dnl on Solaris 2.5.1 to run on Solaris 2.6). | ||
62 | dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13. | ||
63 | gt_CHECK_DECL(getc_unlocked, [#include <stdio.h>]) | ||
64 | |||
65 | case $gt_cv_func_printf_posix in | ||
66 | *yes) HAVE_POSIX_PRINTF=1 ;; | ||
67 | *) HAVE_POSIX_PRINTF=0 ;; | ||
68 | esac | ||
69 | AC_SUBST([HAVE_POSIX_PRINTF]) | ||
70 | if test "$ac_cv_func_asprintf" = yes; then | ||
71 | HAVE_ASPRINTF=1 | ||
72 | else | ||
73 | HAVE_ASPRINTF=0 | ||
74 | fi | ||
75 | AC_SUBST([HAVE_ASPRINTF]) | ||
76 | if test "$ac_cv_func_snprintf" = yes; then | ||
77 | HAVE_SNPRINTF=1 | ||
78 | else | ||
79 | HAVE_SNPRINTF=0 | ||
80 | fi | ||
81 | AC_SUBST([HAVE_SNPRINTF]) | ||
82 | if test "$ac_cv_func_wprintf" = yes; then | ||
83 | HAVE_WPRINTF=1 | ||
84 | else | ||
85 | HAVE_WPRINTF=0 | ||
86 | fi | ||
87 | AC_SUBST([HAVE_WPRINTF]) | ||
88 | |||
89 | AM_LANGINFO_CODESET | ||
90 | gt_LC_MESSAGES | ||
91 | |||
92 | dnl Compilation on mingw and Cygwin needs special Makefile rules, because | ||
93 | dnl 1. when we install a shared library, we must arrange to export | ||
94 | dnl auxiliary pointer variables for every exported variable, | ||
95 | dnl 2. when we install a shared library and a static library simultaneously, | ||
96 | dnl the include file specifies __declspec(dllimport) and therefore we | ||
97 | dnl must arrange to define the auxiliary pointer variables for the | ||
98 | dnl exported variables _also_ in the static library. | ||
99 | if test "$enable_shared" = yes; then | ||
100 | case "$host_os" in | ||
101 | cygwin*) is_woe32dll=yes ;; | ||
102 | *) is_woe32dll=no ;; | ||
103 | esac | ||
104 | else | ||
105 | is_woe32dll=no | ||
106 | fi | ||
107 | WOE32DLL=$is_woe32dll | ||
108 | AC_SUBST([WOE32DLL]) | ||
109 | |||
110 | dnl Rename some macros and functions used for locking. | ||
111 | AH_BOTTOM([ | ||
112 | #define __libc_lock_t gl_lock_t | ||
113 | #define __libc_lock_define gl_lock_define | ||
114 | #define __libc_lock_define_initialized gl_lock_define_initialized | ||
115 | #define __libc_lock_init gl_lock_init | ||
116 | #define __libc_lock_lock gl_lock_lock | ||
117 | #define __libc_lock_unlock gl_lock_unlock | ||
118 | #define __libc_lock_recursive_t gl_recursive_lock_t | ||
119 | #define __libc_lock_define_recursive gl_recursive_lock_define | ||
120 | #define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized | ||
121 | #define __libc_lock_init_recursive gl_recursive_lock_init | ||
122 | #define __libc_lock_lock_recursive gl_recursive_lock_lock | ||
123 | #define __libc_lock_unlock_recursive gl_recursive_lock_unlock | ||
124 | #define glthread_in_use libintl_thread_in_use | ||
125 | #define glthread_lock_init libintl_lock_init | ||
126 | #define glthread_lock_lock libintl_lock_lock | ||
127 | #define glthread_lock_unlock libintl_lock_unlock | ||
128 | #define glthread_lock_destroy libintl_lock_destroy | ||
129 | #define glthread_rwlock_init libintl_rwlock_init | ||
130 | #define glthread_rwlock_rdlock libintl_rwlock_rdlock | ||
131 | #define glthread_rwlock_wrlock libintl_rwlock_wrlock | ||
132 | #define glthread_rwlock_unlock libintl_rwlock_unlock | ||
133 | #define glthread_rwlock_destroy libintl_rwlock_destroy | ||
134 | #define glthread_recursive_lock_init libintl_recursive_lock_init | ||
135 | #define glthread_recursive_lock_lock libintl_recursive_lock_lock | ||
136 | #define glthread_recursive_lock_unlock libintl_recursive_lock_unlock | ||
137 | #define glthread_recursive_lock_destroy libintl_recursive_lock_destroy | ||
138 | #define glthread_once libintl_once | ||
139 | #define glthread_once_call libintl_once_call | ||
140 | #define glthread_once_singlethreaded libintl_once_singlethreaded | ||
141 | ]) | ||
142 | ]) | ||
143 | |||
144 | |||
145 | dnl Checks for the core files of the intl subdirectory: | ||
146 | dnl dcigettext.c | ||
147 | dnl eval-plural.h | ||
148 | dnl explodename.c | ||
149 | dnl finddomain.c | ||
150 | dnl gettextP.h | ||
151 | dnl gmo.h | ||
152 | dnl hash-string.h hash-string.c | ||
153 | dnl l10nflist.c | ||
154 | dnl libgnuintl.h.in (except the *printf stuff) | ||
155 | dnl loadinfo.h | ||
156 | dnl loadmsgcat.c | ||
157 | dnl localealias.c | ||
158 | dnl log.c | ||
159 | dnl plural-exp.h plural-exp.c | ||
160 | dnl plural.y | ||
161 | dnl Used by libglocale. | ||
162 | AC_DEFUN([gt_INTL_SUBDIR_CORE], | ||
163 | [ | ||
164 | AC_REQUIRE([AC_C_INLINE])dnl | ||
165 | AC_REQUIRE([AC_TYPE_SIZE_T])dnl | ||
166 | AC_REQUIRE([gl_AC_HEADER_STDINT_H]) | ||
167 | AC_REQUIRE([AC_FUNC_ALLOCA])dnl | ||
168 | AC_REQUIRE([AC_FUNC_MMAP])dnl | ||
169 | AC_REQUIRE([gt_INTDIV0])dnl | ||
170 | AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl | ||
171 | AC_REQUIRE([gt_INTTYPES_PRI])dnl | ||
172 | AC_REQUIRE([gl_LOCK])dnl | ||
173 | |||
174 | AC_TRY_LINK( | ||
175 | [int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }], | ||
176 | [], | ||
177 | [AC_DEFINE([HAVE_BUILTIN_EXPECT], 1, | ||
178 | [Define to 1 if the compiler understands __builtin_expect.])]) | ||
179 | |||
180 | AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h]) | ||
181 | AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \ | ||
182 | stpcpy strcasecmp strdup strtoul tsearch argz_count argz_stringify \ | ||
183 | argz_next __fsetlocking]) | ||
184 | |||
185 | dnl Use the *_unlocked functions only if they are declared. | ||
186 | dnl (because some of them were defined without being declared in Solaris | ||
187 | dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built | ||
188 | dnl on Solaris 2.5.1 to run on Solaris 2.6). | ||
189 | dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13. | ||
190 | gt_CHECK_DECL(feof_unlocked, [#include <stdio.h>]) | ||
191 | gt_CHECK_DECL(fgets_unlocked, [#include <stdio.h>]) | ||
192 | |||
193 | AM_ICONV | ||
194 | |||
195 | dnl glibc >= 2.4 has a NL_LOCALE_NAME macro when _GNU_SOURCE is defined, | ||
196 | dnl and a _NL_LOCALE_NAME macro always. | ||
197 | AC_CACHE_CHECK([for NL_LOCALE_NAME macro], gt_cv_nl_locale_name, | ||
198 | [AC_TRY_LINK([#include <langinfo.h> | ||
199 | #include <locale.h>], | ||
200 | [char* cs = nl_langinfo(_NL_LOCALE_NAME(LC_MESSAGES));], | ||
201 | gt_cv_nl_locale_name=yes, | ||
202 | gt_cv_nl_locale_name=no) | ||
203 | ]) | ||
204 | if test $gt_cv_nl_locale_name = yes; then | ||
205 | AC_DEFINE(HAVE_NL_LOCALE_NAME, 1, | ||
206 | [Define if you have <langinfo.h> and it defines the NL_LOCALE_NAME macro if _GNU_SOURCE is defined.]) | ||
207 | fi | ||
208 | |||
209 | dnl intl/plural.c is generated from intl/plural.y. It requires bison, | ||
210 | dnl because plural.y uses bison specific features. It requires at least | ||
211 | dnl bison-1.26 because earlier versions generate a plural.c that doesn't | ||
212 | dnl compile. | ||
213 | dnl bison is only needed for the maintainer (who touches plural.y). But in | ||
214 | dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put | ||
215 | dnl the rule in general Makefile. Now, some people carelessly touch the | ||
216 | dnl files or have a broken "make" program, hence the plural.c rule will | ||
217 | dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not | ||
218 | dnl present or too old. | ||
219 | AC_CHECK_PROGS([INTLBISON], [bison]) | ||
220 | if test -z "$INTLBISON"; then | ||
221 | ac_verc_fail=yes | ||
222 | else | ||
223 | dnl Found it, now check the version. | ||
224 | AC_MSG_CHECKING([version of bison]) | ||
225 | changequote(<<,>>)dnl | ||
226 | ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'` | ||
227 | case $ac_prog_version in | ||
228 | '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; | ||
229 | 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*) | ||
230 | changequote([,])dnl | ||
231 | ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; | ||
232 | *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; | ||
233 | esac | ||
234 | AC_MSG_RESULT([$ac_prog_version]) | ||
235 | fi | ||
236 | if test $ac_verc_fail = yes; then | ||
237 | INTLBISON=: | ||
238 | fi | ||
239 | ]) | ||
240 | |||
241 | |||
242 | dnl gt_CHECK_DECL(FUNC, INCLUDES) | ||
243 | dnl Check whether a function is declared. | ||
244 | AC_DEFUN([gt_CHECK_DECL], | ||
245 | [ | ||
246 | AC_CACHE_CHECK([whether $1 is declared], ac_cv_have_decl_$1, | ||
247 | [AC_TRY_COMPILE([$2], [ | ||
248 | #ifndef $1 | ||
249 | char *p = (char *) $1; | ||
250 | #endif | ||
251 | ], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)]) | ||
252 | if test $ac_cv_have_decl_$1 = yes; then | ||
253 | gt_value=1 | ||
254 | else | ||
255 | gt_value=0 | ||
256 | fi | ||
257 | AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value], | ||
258 | [Define to 1 if you have the declaration of `$1', and to 0 if you don't.]) | ||
259 | ]) | ||
diff --git a/m4/intldir.m4 b/m4/intldir.m4 new file mode 100644 index 00000000..7a28843f --- /dev/null +++ b/m4/intldir.m4 | |||
@@ -0,0 +1,19 @@ | |||
1 | # intldir.m4 serial 1 (gettext-0.16) | ||
2 | dnl Copyright (C) 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. | ||
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 | AC_PREREQ(2.52) | ||
17 | |||
18 | dnl Tells the AM_GNU_GETTEXT macro to consider an intl/ directory. | ||
19 | AC_DEFUN([AM_GNU_GETTEXT_INTL_SUBDIR], []) | ||
diff --git a/m4/lock.m4 b/m4/lock.m4 new file mode 100644 index 00000000..0224f2ff --- /dev/null +++ b/m4/lock.m4 | |||
@@ -0,0 +1,311 @@ | |||
1 | # lock.m4 serial 6 (gettext-0.16) | ||
2 | dnl Copyright (C) 2005-2006 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. | ||
6 | |||
7 | dnl From Bruno Haible. | ||
8 | |||
9 | dnl Tests for a multithreading library to be used. | ||
10 | dnl Defines at most one of the macros USE_POSIX_THREADS, USE_SOLARIS_THREADS, | ||
11 | dnl USE_PTH_THREADS, USE_WIN32_THREADS | ||
12 | dnl Sets the variables LIBTHREAD and LTLIBTHREAD to the linker options for use | ||
13 | dnl in a Makefile (LIBTHREAD for use without libtool, LTLIBTHREAD for use with | ||
14 | dnl libtool). | ||
15 | dnl Sets the variables LIBMULTITHREAD and LTLIBMULTITHREAD similarly, for | ||
16 | dnl programs that really need multithread functionality. The difference | ||
17 | dnl between LIBTHREAD and LIBMULTITHREAD is that on platforms supporting weak | ||
18 | dnl symbols, typically LIBTHREAD="" whereas LIBMULTITHREAD="-lpthread". | ||
19 | dnl Adds to CPPFLAGS the flag -D_REENTRANT or -D_THREAD_SAFE if needed for | ||
20 | dnl multithread-safe programs. | ||
21 | |||
22 | AC_DEFUN([gl_LOCK_EARLY], | ||
23 | [ | ||
24 | AC_REQUIRE([gl_LOCK_EARLY_BODY]) | ||
25 | ]) | ||
26 | |||
27 | dnl The guts of gl_LOCK_EARLY. Needs to be expanded only once. | ||
28 | |||
29 | AC_DEFUN([gl_LOCK_EARLY_BODY], | ||
30 | [ | ||
31 | dnl Ordering constraints: This macro modifies CPPFLAGS in a way that | ||
32 | dnl influences the result of the autoconf tests that test for *_unlocked | ||
33 | dnl declarations, on AIX 5 at least. Therefore it must come early. | ||
34 | AC_BEFORE([$0], [gl_FUNC_GLIBC_UNLOCKED_IO])dnl | ||
35 | AC_BEFORE([$0], [gl_ARGP])dnl | ||
36 | |||
37 | AC_REQUIRE([AC_CANONICAL_HOST]) | ||
38 | AC_REQUIRE([AC_GNU_SOURCE]) dnl needed for pthread_rwlock_t on glibc systems | ||
39 | dnl Check for multithreading. | ||
40 | AC_ARG_ENABLE(threads, | ||
41 | AC_HELP_STRING([--enable-threads={posix|solaris|pth|win32}], [specify multithreading API]) | ||
42 | AC_HELP_STRING([--disable-threads], [build without multithread safety]), | ||
43 | [gl_use_threads=$enableval], | ||
44 | [case "$host_os" in | ||
45 | dnl Disable multithreading by default on OSF/1, because it interferes | ||
46 | dnl with fork()/exec(): When msgexec is linked with -lpthread, its child | ||
47 | dnl process gets an endless segmentation fault inside execvp(). | ||
48 | osf*) gl_use_threads=no ;; | ||
49 | *) gl_use_threads=yes ;; | ||
50 | esac | ||
51 | ]) | ||
52 | if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then | ||
53 | # For using <pthread.h>: | ||
54 | case "$host_os" in | ||
55 | osf*) | ||
56 | # On OSF/1, the compiler needs the flag -D_REENTRANT so that it | ||
57 | # groks <pthread.h>. cc also understands the flag -pthread, but | ||
58 | # we don't use it because 1. gcc-2.95 doesn't understand -pthread, | ||
59 | # 2. putting a flag into CPPFLAGS that has an effect on the linker | ||
60 | # causes the AC_TRY_LINK test below to succeed unexpectedly, | ||
61 | # leading to wrong values of LIBTHREAD and LTLIBTHREAD. | ||
62 | CPPFLAGS="$CPPFLAGS -D_REENTRANT" | ||
63 | ;; | ||
64 | esac | ||
65 | # Some systems optimize for single-threaded programs by default, and | ||
66 | # need special flags to disable these optimizations. For example, the | ||
67 | # definition of 'errno' in <errno.h>. | ||
68 | case "$host_os" in | ||
69 | aix* | freebsd*) CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE" ;; | ||
70 | solaris*) CPPFLAGS="$CPPFLAGS -D_REENTRANT" ;; | ||
71 | esac | ||
72 | fi | ||
73 | ]) | ||
74 | |||
75 | dnl The guts of gl_LOCK. Needs to be expanded only once. | ||
76 | |||
77 | AC_DEFUN([gl_LOCK_BODY], | ||
78 | [ | ||
79 | AC_REQUIRE([gl_LOCK_EARLY_BODY]) | ||
80 | gl_threads_api=none | ||
81 | LIBTHREAD= | ||
82 | LTLIBTHREAD= | ||
83 | LIBMULTITHREAD= | ||
84 | LTLIBMULTITHREAD= | ||
85 | if test "$gl_use_threads" != no; then | ||
86 | dnl Check whether the compiler and linker support weak declarations. | ||
87 | AC_MSG_CHECKING([whether imported symbols can be declared weak]) | ||
88 | gl_have_weak=no | ||
89 | AC_TRY_LINK([extern void xyzzy (); | ||
90 | #pragma weak xyzzy], [xyzzy();], [gl_have_weak=yes]) | ||
91 | AC_MSG_RESULT([$gl_have_weak]) | ||
92 | if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then | ||
93 | # On OSF/1, the compiler needs the flag -pthread or -D_REENTRANT so that | ||
94 | # it groks <pthread.h>. It's added above, in gl_LOCK_EARLY_BODY. | ||
95 | AC_CHECK_HEADER(pthread.h, gl_have_pthread_h=yes, gl_have_pthread_h=no) | ||
96 | if test "$gl_have_pthread_h" = yes; then | ||
97 | # Other possible tests: | ||
98 | # -lpthreads (FSU threads, PCthreads) | ||
99 | # -lgthreads | ||
100 | gl_have_pthread= | ||
101 | # Test whether both pthread_mutex_lock and pthread_mutexattr_init exist | ||
102 | # in libc. IRIX 6.5 has the first one in both libc and libpthread, but | ||
103 | # the second one only in libpthread, and lock.c needs it. | ||
104 | AC_TRY_LINK([#include <pthread.h>], | ||
105 | [pthread_mutex_lock((pthread_mutex_t*)0); | ||
106 | pthread_mutexattr_init((pthread_mutexattr_t*)0);], | ||
107 | [gl_have_pthread=yes]) | ||
108 | # Test for libpthread by looking for pthread_kill. (Not pthread_self, | ||
109 | # since it is defined as a macro on OSF/1.) | ||
110 | if test -n "$gl_have_pthread"; then | ||
111 | # The program links fine without libpthread. But it may actually | ||
112 | # need to link with libpthread in order to create multiple threads. | ||
113 | AC_CHECK_LIB(pthread, pthread_kill, | ||
114 | [LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread | ||
115 | # On Solaris and HP-UX, most pthread functions exist also in libc. | ||
116 | # Therefore pthread_in_use() needs to actually try to create a | ||
117 | # thread: pthread_create from libc will fail, whereas | ||
118 | # pthread_create will actually create a thread. | ||
119 | case "$host_os" in | ||
120 | solaris* | hpux*) | ||
121 | AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], 1, | ||
122 | [Define if the pthread_in_use() detection is hard.]) | ||
123 | esac | ||
124 | ]) | ||
125 | else | ||
126 | # Some library is needed. Try libpthread and libc_r. | ||
127 | AC_CHECK_LIB(pthread, pthread_kill, | ||
128 | [gl_have_pthread=yes | ||
129 | LIBTHREAD=-lpthread LTLIBTHREAD=-lpthread | ||
130 | LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread]) | ||
131 | if test -z "$gl_have_pthread"; then | ||
132 | # For FreeBSD 4. | ||
133 | AC_CHECK_LIB(c_r, pthread_kill, | ||
134 | [gl_have_pthread=yes | ||
135 | LIBTHREAD=-lc_r LTLIBTHREAD=-lc_r | ||
136 | LIBMULTITHREAD=-lc_r LTLIBMULTITHREAD=-lc_r]) | ||
137 | fi | ||
138 | fi | ||
139 | if test -n "$gl_have_pthread"; then | ||
140 | gl_threads_api=posix | ||
141 | AC_DEFINE([USE_POSIX_THREADS], 1, | ||
142 | [Define if the POSIX multithreading library can be used.]) | ||
143 | if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then | ||
144 | if test $gl_have_weak = yes; then | ||
145 | AC_DEFINE([USE_POSIX_THREADS_WEAK], 1, | ||
146 | [Define if references to the POSIX multithreading library should be made weak.]) | ||
147 | LIBTHREAD= | ||
148 | LTLIBTHREAD= | ||
149 | fi | ||
150 | fi | ||
151 | # OSF/1 4.0 and MacOS X 10.1 lack the pthread_rwlock_t type and the | ||
152 | # pthread_rwlock_* functions. | ||
153 | AC_CHECK_TYPE([pthread_rwlock_t], | ||
154 | [AC_DEFINE([HAVE_PTHREAD_RWLOCK], 1, | ||
155 | [Define if the POSIX multithreading library has read/write locks.])], | ||
156 | [], | ||
157 | [#include <pthread.h>]) | ||
158 | # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro. | ||
159 | AC_TRY_COMPILE([#include <pthread.h>], | ||
160 | [#if __FreeBSD__ == 4 | ||
161 | error "No, in FreeBSD 4.0 recursive mutexes actually don't work." | ||
162 | #else | ||
163 | int x = (int)PTHREAD_MUTEX_RECURSIVE; | ||
164 | return !x; | ||
165 | #endif], | ||
166 | [AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], 1, | ||
167 | [Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])]) | ||
168 | fi | ||
169 | fi | ||
170 | fi | ||
171 | if test -z "$gl_have_pthread"; then | ||
172 | if test "$gl_use_threads" = yes || test "$gl_use_threads" = solaris; then | ||
173 | gl_have_solaristhread= | ||
174 | gl_save_LIBS="$LIBS" | ||
175 | LIBS="$LIBS -lthread" | ||
176 | AC_TRY_LINK([#include <thread.h> | ||
177 | #include <synch.h>], | ||
178 | [thr_self();], | ||
179 | [gl_have_solaristhread=yes]) | ||
180 | LIBS="$gl_save_LIBS" | ||
181 | if test -n "$gl_have_solaristhread"; then | ||
182 | gl_threads_api=solaris | ||
183 | LIBTHREAD=-lthread | ||
184 | LTLIBTHREAD=-lthread | ||
185 | LIBMULTITHREAD="$LIBTHREAD" | ||
186 | LTLIBMULTITHREAD="$LTLIBTHREAD" | ||
187 | AC_DEFINE([USE_SOLARIS_THREADS], 1, | ||
188 | [Define if the old Solaris multithreading library can be used.]) | ||
189 | if test $gl_have_weak = yes; then | ||
190 | AC_DEFINE([USE_SOLARIS_THREADS_WEAK], 1, | ||
191 | [Define if references to the old Solaris multithreading library should be made weak.]) | ||
192 | LIBTHREAD= | ||
193 | LTLIBTHREAD= | ||
194 | fi | ||
195 | fi | ||
196 | fi | ||
197 | fi | ||
198 | if test "$gl_use_threads" = pth; then | ||
199 | gl_save_CPPFLAGS="$CPPFLAGS" | ||
200 | AC_LIB_LINKFLAGS(pth) | ||
201 | gl_have_pth= | ||
202 | gl_save_LIBS="$LIBS" | ||
203 | LIBS="$LIBS -lpth" | ||
204 | AC_TRY_LINK([#include <pth.h>], [pth_self();], gl_have_pth=yes) | ||
205 | LIBS="$gl_save_LIBS" | ||
206 | if test -n "$gl_have_pth"; then | ||
207 | gl_threads_api=pth | ||
208 | LIBTHREAD="$LIBPTH" | ||
209 | LTLIBTHREAD="$LTLIBPTH" | ||
210 | LIBMULTITHREAD="$LIBTHREAD" | ||
211 | LTLIBMULTITHREAD="$LTLIBTHREAD" | ||
212 | AC_DEFINE([USE_PTH_THREADS], 1, | ||
213 | [Define if the GNU Pth multithreading library can be used.]) | ||
214 | if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then | ||
215 | if test $gl_have_weak = yes; then | ||
216 | AC_DEFINE([USE_PTH_THREADS_WEAK], 1, | ||
217 | [Define if references to the GNU Pth multithreading library should be made weak.]) | ||
218 | LIBTHREAD= | ||
219 | LTLIBTHREAD= | ||
220 | fi | ||
221 | fi | ||
222 | else | ||
223 | CPPFLAGS="$gl_save_CPPFLAGS" | ||
224 | fi | ||
225 | fi | ||
226 | if test -z "$gl_have_pthread"; then | ||
227 | if test "$gl_use_threads" = yes || test "$gl_use_threads" = win32; then | ||
228 | if { case "$host_os" in | ||
229 | mingw*) true;; | ||
230 | *) false;; | ||
231 | esac | ||
232 | }; then | ||
233 | gl_threads_api=win32 | ||
234 | AC_DEFINE([USE_WIN32_THREADS], 1, | ||
235 | [Define if the Win32 multithreading API can be used.]) | ||
236 | fi | ||
237 | fi | ||
238 | fi | ||
239 | fi | ||
240 | AC_MSG_CHECKING([for multithread API to use]) | ||
241 | AC_MSG_RESULT([$gl_threads_api]) | ||
242 | AC_SUBST(LIBTHREAD) | ||
243 | AC_SUBST(LTLIBTHREAD) | ||
244 | AC_SUBST(LIBMULTITHREAD) | ||
245 | AC_SUBST(LTLIBMULTITHREAD) | ||
246 | ]) | ||
247 | |||
248 | AC_DEFUN([gl_LOCK], | ||
249 | [ | ||
250 | AC_REQUIRE([gl_LOCK_EARLY]) | ||
251 | AC_REQUIRE([gl_LOCK_BODY]) | ||
252 | gl_PREREQ_LOCK | ||
253 | ]) | ||
254 | |||
255 | # Prerequisites of lib/lock.c. | ||
256 | AC_DEFUN([gl_PREREQ_LOCK], [ | ||
257 | AC_REQUIRE([AC_C_INLINE]) | ||
258 | ]) | ||
259 | |||
260 | dnl Survey of platforms: | ||
261 | dnl | ||
262 | dnl Platform Available Compiler Supports test-lock | ||
263 | dnl flavours option weak result | ||
264 | dnl --------------- --------- --------- -------- --------- | ||
265 | dnl Linux 2.4/glibc posix -lpthread Y OK | ||
266 | dnl | ||
267 | dnl GNU Hurd/glibc posix | ||
268 | dnl | ||
269 | dnl FreeBSD 5.3 posix -lc_r Y | ||
270 | dnl posix -lkse ? Y | ||
271 | dnl posix -lpthread ? Y | ||
272 | dnl posix -lthr Y | ||
273 | dnl | ||
274 | dnl FreeBSD 5.2 posix -lc_r Y | ||
275 | dnl posix -lkse Y | ||
276 | dnl posix -lthr Y | ||
277 | dnl | ||
278 | dnl FreeBSD 4.0,4.10 posix -lc_r Y OK | ||
279 | dnl | ||
280 | dnl NetBSD 1.6 -- | ||
281 | dnl | ||
282 | dnl OpenBSD 3.4 posix -lpthread Y OK | ||
283 | dnl | ||
284 | dnl MacOS X 10.[123] posix -lpthread Y OK | ||
285 | dnl | ||
286 | dnl Solaris 7,8,9 posix -lpthread Y Sol 7,8: 0.0; Sol 9: OK | ||
287 | dnl solaris -lthread Y Sol 7,8: 0.0; Sol 9: OK | ||
288 | dnl | ||
289 | dnl HP-UX 11 posix -lpthread N (cc) OK | ||
290 | dnl Y (gcc) | ||
291 | dnl | ||
292 | dnl IRIX 6.5 posix -lpthread Y 0.5 | ||
293 | dnl | ||
294 | dnl AIX 4.3,5.1 posix -lpthread N AIX 4: 0.5; AIX 5: OK | ||
295 | dnl | ||
296 | dnl OSF/1 4.0,5.1 posix -pthread (cc) N OK | ||
297 | dnl -lpthread (gcc) Y | ||
298 | dnl | ||
299 | dnl Cygwin posix -lpthread Y OK | ||
300 | dnl | ||
301 | dnl Any of the above pth -lpth 0.0 | ||
302 | dnl | ||
303 | dnl Mingw win32 N OK | ||
304 | dnl | ||
305 | dnl BeOS 5 -- | ||
306 | dnl | ||
307 | dnl The test-lock result shows what happens if in test-lock.c EXPLICIT_YIELD is | ||
308 | dnl turned off: | ||
309 | dnl OK if all three tests terminate OK, | ||
310 | dnl 0.5 if the first test terminates OK but the second one loops endlessly, | ||
311 | dnl 0.0 if the first test already loops endlessly. | ||
diff --git a/m4/visibility.m4 b/m4/visibility.m4 new file mode 100644 index 00000000..2ff6330a --- /dev/null +++ b/m4/visibility.m4 | |||
@@ -0,0 +1,52 @@ | |||
1 | # visibility.m4 serial 1 (gettext-0.15) | ||
2 | dnl Copyright (C) 2005 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 | |||
7 | dnl From Bruno Haible. | ||
8 | |||
9 | dnl Tests whether the compiler supports the command-line option | ||
10 | dnl -fvisibility=hidden and the function and variable attributes | ||
11 | dnl __attribute__((__visibility__("hidden"))) and | ||
12 | dnl __attribute__((__visibility__("default"))). | ||
13 | dnl Does *not* test for __visibility__("protected") - which has tricky | ||
14 | dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on | ||
15 | dnl MacOS X. | ||
16 | dnl Does *not* test for __visibility__("internal") - which has processor | ||
17 | dnl dependent semantics. | ||
18 | dnl Does *not* test for #pragma GCC visibility push(hidden) - which is | ||
19 | dnl "really only recommended for legacy code". | ||
20 | dnl Set the variable CFLAG_VISIBILITY. | ||
21 | dnl Defines and sets the variable HAVE_VISIBILITY. | ||
22 | |||
23 | AC_DEFUN([gl_VISIBILITY], | ||
24 | [ | ||
25 | AC_REQUIRE([AC_PROG_CC]) | ||
26 | CFLAG_VISIBILITY= | ||
27 | HAVE_VISIBILITY=0 | ||
28 | if test -n "$GCC"; then | ||
29 | AC_MSG_CHECKING([for simple visibility declarations]) | ||
30 | AC_CACHE_VAL(gl_cv_cc_visibility, [ | ||
31 | gl_save_CFLAGS="$CFLAGS" | ||
32 | CFLAGS="$CFLAGS -fvisibility=hidden" | ||
33 | AC_TRY_COMPILE( | ||
34 | [extern __attribute__((__visibility__("hidden"))) int hiddenvar; | ||
35 | extern __attribute__((__visibility__("default"))) int exportedvar; | ||
36 | extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void); | ||
37 | extern __attribute__((__visibility__("default"))) int exportedfunc (void);], | ||
38 | [], | ||
39 | gl_cv_cc_visibility=yes, | ||
40 | gl_cv_cc_visibility=no) | ||
41 | CFLAGS="$gl_save_CFLAGS"]) | ||
42 | AC_MSG_RESULT([$gl_cv_cc_visibility]) | ||
43 | if test $gl_cv_cc_visibility = yes; then | ||
44 | CFLAG_VISIBILITY="-fvisibility=hidden" | ||
45 | HAVE_VISIBILITY=1 | ||
46 | fi | ||
47 | fi | ||
48 | AC_SUBST([CFLAG_VISIBILITY]) | ||
49 | AC_SUBST([HAVE_VISIBILITY]) | ||
50 | AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY], | ||
51 | [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.]) | ||
52 | ]) | ||