Annotation of embedaddon/libiconv/srcm4/intl.m4, revision 1.1.1.2
1.1.1.2 ! misho 1: # intl.m4 serial 17b
! 2: dnl Copyright (C) 1995-2011 Free Software Foundation, Inc.
1.1 misho 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.
1.1.1.2 ! misho 18: dnl Bruno Haible <haible@clisp.cons.org>, 2000-2009.
1.1 misho 19:
1.1.1.2 ! misho 20: AC_PREREQ([2.53])
1.1 misho 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
1.1.1.2 ! misho 43: AC_REQUIRE([gl_FCNTL_O_FLAGS])dnl
1.1 misho 44: AC_REQUIRE([gt_INTL_MACOSX])dnl
45:
1.1.1.2 ! misho 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:
1.1 misho 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])
1.1.1.2 ! misho 59: AC_CHECK_FUNCS([asprintf fwprintf newlocale putenv setenv setlocale \
! 60: snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb])
1.1 misho 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 "$ac_cv_func_snprintf" = yes; then
86: HAVE_SNPRINTF=1
87: else
88: HAVE_SNPRINTF=0
89: fi
90: AC_SUBST([HAVE_SNPRINTF])
1.1.1.2 ! misho 91: if test "$ac_cv_func_newlocale" = yes; then
! 92: HAVE_NEWLOCALE=1
! 93: else
! 94: HAVE_NEWLOCALE=0
! 95: fi
! 96: AC_SUBST([HAVE_NEWLOCALE])
1.1 misho 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
1.1.1.2 ! misho 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
1.1 misho 188: #define glthread_once_singlethreaded libintl_once_singlethreaded
1.1.1.2 ! misho 189: #define glthread_once_multithreaded libintl_once_multithreaded
1.1 misho 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:
1.1.1.2 ! misho 223: AC_LINK_IFELSE(
! 224: [AC_LANG_PROGRAM(
! 225: [[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }]],
! 226: [[]])],
! 227: [AC_DEFINE([HAVE_BUILTIN_EXPECT], [1],
1.1 misho 228: [Define to 1 if the compiler understands __builtin_expect.])])
229:
230: AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h])
231: AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \
1.1.1.2 ! misho 232: stpcpy strcasecmp strdup strtoul tsearch uselocale argz_count \
! 233: argz_stringify argz_next __fsetlocking])
1.1 misho 234:
235: dnl Use the *_unlocked functions only if they are declared.
236: dnl (because some of them were defined without being declared in Solaris
237: dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
238: dnl on Solaris 2.5.1 to run on Solaris 2.6).
239: dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
1.1.1.2 ! misho 240: gt_CHECK_DECL([feof_unlocked], [#include <stdio.h>])
! 241: gt_CHECK_DECL([fgets_unlocked], [#include <stdio.h>])
1.1 misho 242:
243: AM_ICONV
244:
245: dnl intl/plural.c is generated from intl/plural.y. It requires bison,
246: dnl because plural.y uses bison specific features. It requires at least
247: dnl bison-1.26 because earlier versions generate a plural.c that doesn't
248: dnl compile.
249: dnl bison is only needed for the maintainer (who touches plural.y). But in
250: dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
251: dnl the rule in general Makefile. Now, some people carelessly touch the
252: dnl files or have a broken "make" program, hence the plural.c rule will
253: dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
254: dnl present or too old.
255: AC_CHECK_PROGS([INTLBISON], [bison])
256: if test -z "$INTLBISON"; then
257: ac_verc_fail=yes
258: else
259: dnl Found it, now check the version.
260: AC_MSG_CHECKING([version of bison])
261: changequote(<<,>>)dnl
262: ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
263: case $ac_prog_version in
264: '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
265: 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
266: changequote([,])dnl
267: ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
268: *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
269: esac
270: AC_MSG_RESULT([$ac_prog_version])
271: fi
272: if test $ac_verc_fail = yes; then
273: INTLBISON=:
274: fi
275: ])
276:
277:
278: dnl gt_CHECK_DECL(FUNC, INCLUDES)
279: dnl Check whether a function is declared.
280: AC_DEFUN([gt_CHECK_DECL],
281: [
1.1.1.2 ! misho 282: AC_CACHE_CHECK([whether $1 is declared], [ac_cv_have_decl_$1],
! 283: [AC_COMPILE_IFELSE(
! 284: [AC_LANG_PROGRAM(
! 285: [[$2]],
! 286: [[
1.1 misho 287: #ifndef $1
288: char *p = (char *) $1;
289: #endif
1.1.1.2 ! misho 290: ]])],
! 291: [ac_cv_have_decl_$1=yes],
! 292: [ac_cv_have_decl_$1=no])])
1.1 misho 293: if test $ac_cv_have_decl_$1 = yes; then
294: gt_value=1
295: else
296: gt_value=0
297: fi
298: AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
299: [Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
300: ])
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