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304 lines
12 KiB
304 lines
12 KiB
# intl.m4 serial 29 (gettext-0.19) |
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dnl Copyright (C) 1995-2014, 2016-2017 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
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dnl |
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dnl This file can be used in projects which are not available under |
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dnl the GNU General Public License or the GNU Library General Public |
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dnl License but which still want to provide support for the GNU gettext |
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dnl functionality. |
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dnl Please note that the actual code of the GNU gettext library is covered |
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dnl by the GNU Library General Public License, and the rest of the GNU |
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dnl gettext package is covered by the GNU General Public License. |
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dnl They are *not* in the public domain. |
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|
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dnl Authors: |
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dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000. |
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dnl Bruno Haible <haible@clisp.cons.org>, 2000-2009. |
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AC_PREREQ([2.60]) |
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dnl Checks for all prerequisites of the intl subdirectory, |
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dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS, |
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dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL. |
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AC_DEFUN([AM_INTL_SUBDIR], |
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[ |
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AC_REQUIRE([AC_PROG_INSTALL])dnl |
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AC_REQUIRE([AC_PROG_MKDIR_P])dnl |
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AC_REQUIRE([AC_PROG_CC])dnl |
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AC_REQUIRE([AC_CANONICAL_HOST])dnl |
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AC_REQUIRE([gt_GLIBC2])dnl |
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AC_REQUIRE([AC_PROG_RANLIB])dnl |
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AC_REQUIRE([gl_VISIBILITY])dnl |
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AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl |
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AC_REQUIRE([AC_TYPE_LONG_LONG_INT])dnl |
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AC_REQUIRE([gt_TYPE_WCHAR_T])dnl |
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AC_REQUIRE([gt_TYPE_WINT_T])dnl |
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AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) |
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AC_REQUIRE([gt_TYPE_INTMAX_T]) |
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AC_REQUIRE([gt_PRINTF_POSIX]) |
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AC_REQUIRE([gl_GLIBC21])dnl |
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AC_REQUIRE([gl_XSIZE])dnl |
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AC_REQUIRE([gl_FCNTL_O_FLAGS])dnl |
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AC_REQUIRE([gt_INTL_MACOSX])dnl |
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AC_REQUIRE([gl_EXTERN_INLINE])dnl |
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AC_REQUIRE([gt_GL_ATTRIBUTE])dnl |
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|
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dnl Support for automake's --enable-silent-rules. |
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case "$enable_silent_rules" in |
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yes) INTL_DEFAULT_VERBOSITY=0;; |
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no) INTL_DEFAULT_VERBOSITY=1;; |
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*) INTL_DEFAULT_VERBOSITY=1;; |
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esac |
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AC_SUBST([INTL_DEFAULT_VERBOSITY]) |
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AC_CHECK_TYPE([ptrdiff_t], , |
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[AC_DEFINE([ptrdiff_t], [long], |
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[Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) |
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]) |
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AC_CHECK_HEADERS([features.h stddef.h stdlib.h string.h]) |
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AC_CHECK_FUNCS([asprintf fwprintf newlocale putenv setenv setlocale \ |
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snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb]) |
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|
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dnl Use the _snprintf function only if it is declared (because on NetBSD it |
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dnl is defined as a weak alias of snprintf; we prefer to use the latter). |
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AC_CHECK_DECLS([_snprintf, _snwprintf], , , [#include <stdio.h>]) |
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|
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dnl Use the *_unlocked functions only if they are declared. |
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dnl (because some of them were defined without being declared in Solaris |
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dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built |
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dnl on Solaris 2.5.1 to run on Solaris 2.6). |
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AC_CHECK_DECLS([getc_unlocked], , , [#include <stdio.h>]) |
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case $gt_cv_func_printf_posix in |
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*yes) HAVE_POSIX_PRINTF=1 ;; |
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*) HAVE_POSIX_PRINTF=0 ;; |
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esac |
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AC_SUBST([HAVE_POSIX_PRINTF]) |
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if test "$ac_cv_func_asprintf" = yes; then |
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HAVE_ASPRINTF=1 |
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else |
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HAVE_ASPRINTF=0 |
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fi |
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AC_SUBST([HAVE_ASPRINTF]) |
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if test "$ac_cv_func_snprintf" = yes; then |
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HAVE_SNPRINTF=1 |
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else |
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HAVE_SNPRINTF=0 |
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fi |
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AC_SUBST([HAVE_SNPRINTF]) |
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if test "$ac_cv_func_newlocale" = yes; then |
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HAVE_NEWLOCALE=1 |
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else |
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HAVE_NEWLOCALE=0 |
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fi |
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AC_SUBST([HAVE_NEWLOCALE]) |
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if test "$ac_cv_func_wprintf" = yes; then |
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HAVE_WPRINTF=1 |
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else |
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HAVE_WPRINTF=0 |
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fi |
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AC_SUBST([HAVE_WPRINTF]) |
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AM_LANGINFO_CODESET |
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gt_LC_MESSAGES |
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dnl Compilation on mingw and Cygwin needs special Makefile rules, because |
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dnl 1. when we install a shared library, we must arrange to export |
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dnl auxiliary pointer variables for every exported variable, |
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dnl 2. when we install a shared library and a static library simultaneously, |
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dnl the include file specifies __declspec(dllimport) and therefore we |
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dnl must arrange to define the auxiliary pointer variables for the |
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dnl exported variables _also_ in the static library. |
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if test "$enable_shared" = yes; then |
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case "$host_os" in |
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mingw* | cygwin*) is_woe32dll=yes ;; |
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*) is_woe32dll=no ;; |
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esac |
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else |
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is_woe32dll=no |
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fi |
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WOE32DLL=$is_woe32dll |
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AC_SUBST([WOE32DLL]) |
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dnl On mingw and Cygwin, we can activate special Makefile rules which add |
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dnl version information to the shared libraries and executables. |
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case "$host_os" in |
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mingw* | cygwin*) is_woe32=yes ;; |
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*) is_woe32=no ;; |
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esac |
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WOE32=$is_woe32 |
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AC_SUBST([WOE32]) |
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if test $WOE32 = yes; then |
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dnl Check for a program that compiles Windows resource files. |
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AC_CHECK_TOOL([WINDRES], [windres]) |
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fi |
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dnl Determine whether when creating a library, "-lc" should be passed to |
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dnl libtool or not. On many platforms, it is required for the libtool option |
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dnl -no-undefined to work. On HP-UX, however, the -lc - stored by libtool |
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dnl in the *.la files - makes it impossible to create multithreaded programs, |
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dnl because libtool also reorders the -lc to come before the -pthread, and |
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dnl this disables pthread_create() <http://docs.hp.com/en/1896/pthreads.html>. |
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case "$host_os" in |
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hpux*) LTLIBC="" ;; |
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*) LTLIBC="-lc" ;; |
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esac |
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AC_SUBST([LTLIBC]) |
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dnl Rename some macros and functions used for locking. |
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AH_BOTTOM([ |
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#define __libc_lock_t gl_lock_t |
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#define __libc_lock_define gl_lock_define |
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#define __libc_lock_define_initialized gl_lock_define_initialized |
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#define __libc_lock_init gl_lock_init |
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#define __libc_lock_lock gl_lock_lock |
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#define __libc_lock_unlock gl_lock_unlock |
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#define __libc_lock_recursive_t gl_recursive_lock_t |
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#define __libc_lock_define_recursive gl_recursive_lock_define |
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#define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized |
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#define __libc_lock_init_recursive gl_recursive_lock_init |
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#define __libc_lock_lock_recursive gl_recursive_lock_lock |
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#define __libc_lock_unlock_recursive gl_recursive_lock_unlock |
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#define glthread_in_use libintl_thread_in_use |
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#define glthread_lock_init_func libintl_lock_init_func |
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#define glthread_lock_lock_func libintl_lock_lock_func |
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#define glthread_lock_unlock_func libintl_lock_unlock_func |
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#define glthread_lock_destroy_func libintl_lock_destroy_func |
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#define glthread_rwlock_init_multithreaded libintl_rwlock_init_multithreaded |
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#define glthread_rwlock_init_func libintl_rwlock_init_func |
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#define glthread_rwlock_rdlock_multithreaded libintl_rwlock_rdlock_multithreaded |
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#define glthread_rwlock_rdlock_func libintl_rwlock_rdlock_func |
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#define glthread_rwlock_wrlock_multithreaded libintl_rwlock_wrlock_multithreaded |
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#define glthread_rwlock_wrlock_func libintl_rwlock_wrlock_func |
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#define glthread_rwlock_unlock_multithreaded libintl_rwlock_unlock_multithreaded |
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#define glthread_rwlock_unlock_func libintl_rwlock_unlock_func |
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#define glthread_rwlock_destroy_multithreaded libintl_rwlock_destroy_multithreaded |
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#define glthread_rwlock_destroy_func libintl_rwlock_destroy_func |
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#define glthread_recursive_lock_init_multithreaded libintl_recursive_lock_init_multithreaded |
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#define glthread_recursive_lock_init_func libintl_recursive_lock_init_func |
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#define glthread_recursive_lock_lock_multithreaded libintl_recursive_lock_lock_multithreaded |
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#define glthread_recursive_lock_lock_func libintl_recursive_lock_lock_func |
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#define glthread_recursive_lock_unlock_multithreaded libintl_recursive_lock_unlock_multithreaded |
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#define glthread_recursive_lock_unlock_func libintl_recursive_lock_unlock_func |
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#define glthread_recursive_lock_destroy_multithreaded libintl_recursive_lock_destroy_multithreaded |
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#define glthread_recursive_lock_destroy_func libintl_recursive_lock_destroy_func |
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#define glthread_once_func libintl_once_func |
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#define glthread_once_singlethreaded libintl_once_singlethreaded |
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#define glthread_once_multithreaded libintl_once_multithreaded |
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]) |
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]) |
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dnl Checks for the core files of the intl subdirectory: |
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dnl dcigettext.c |
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dnl eval-plural.h |
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dnl explodename.c |
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dnl finddomain.c |
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dnl gettextP.h |
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dnl gmo.h |
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dnl hash-string.h hash-string.c |
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dnl l10nflist.c |
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dnl libgnuintl.h.in (except the *printf stuff) |
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dnl loadinfo.h |
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dnl loadmsgcat.c |
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dnl localealias.c |
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dnl log.c |
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dnl plural-exp.h plural-exp.c |
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dnl plural.y |
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dnl Used by libglocale. |
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AC_DEFUN([gt_INTL_SUBDIR_CORE], |
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[ |
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AC_REQUIRE([AC_C_INLINE])dnl |
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AC_REQUIRE([AC_TYPE_SIZE_T])dnl |
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AC_REQUIRE([gl_AC_HEADER_STDINT_H]) |
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AC_REQUIRE([AC_FUNC_ALLOCA])dnl |
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AC_REQUIRE([AC_FUNC_MMAP])dnl |
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AC_REQUIRE([gt_INTDIV0])dnl |
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AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl |
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AC_REQUIRE([gt_INTTYPES_PRI])dnl |
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AC_REQUIRE([gl_LOCK])dnl |
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AC_LINK_IFELSE( |
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[AC_LANG_PROGRAM( |
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[[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }]], |
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[[]])], |
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[AC_DEFINE([HAVE_BUILTIN_EXPECT], [1], |
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[Define to 1 if the compiler understands __builtin_expect.])]) |
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AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h]) |
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AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \ |
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stpcpy strcasecmp strdup strtoul tsearch uselocale argz_count \ |
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argz_stringify argz_next __fsetlocking]) |
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dnl Solaris 12 provides getlocalename_l, while Illumos doesn't have |
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dnl it nor the equivalent. |
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if test $ac_cv_func_uselocale = yes; then |
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AC_CHECK_FUNCS([getlocalename_l]) |
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fi |
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|
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dnl Use the *_unlocked functions only if they are declared. |
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dnl (because some of them were defined without being declared in Solaris |
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dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built |
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dnl on Solaris 2.5.1 to run on Solaris 2.6). |
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AC_CHECK_DECLS([feof_unlocked, fgets_unlocked], , , [#include <stdio.h>]) |
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AM_ICONV |
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dnl intl/plural.c is generated from intl/plural.y. It requires bison, |
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dnl because plural.y uses bison specific features. It requires at least |
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dnl bison-2.7 for %define api.pure. |
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dnl bison is only needed for the maintainer (who touches plural.y). But in |
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dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put |
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dnl the rule in general Makefile. Now, some people carelessly touch the |
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dnl files or have a broken "make" program, hence the plural.c rule will |
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dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not |
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dnl present or too old. |
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AC_CHECK_PROGS([INTLBISON], [bison]) |
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if test -z "$INTLBISON"; then |
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ac_verc_fail=yes |
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else |
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dnl Found it, now check the version. |
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AC_MSG_CHECKING([version of bison]) |
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changequote(<<,>>)dnl |
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ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'` |
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case $ac_prog_version in |
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'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; |
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2.[7-9]* | [3-9].*) |
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changequote([,])dnl |
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ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; |
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*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; |
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esac |
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AC_MSG_RESULT([$ac_prog_version]) |
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fi |
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if test $ac_verc_fail = yes; then |
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INTLBISON=: |
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fi |
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]) |
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dnl Copies _GL_UNUSED and _GL_ATTRIBUTE_PURE definitions from |
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dnl gnulib-common.m4 as a fallback, if the project isn't using Gnulib. |
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AC_DEFUN([gt_GL_ATTRIBUTE], [ |
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m4_ifndef([gl_[]COMMON], |
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AH_VERBATIM([gt_gl_attribute], |
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[/* Define as a marker that can be attached to declarations that might not |
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be used. This helps to reduce warnings, such as from |
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GCC -Wunused-parameter. */ |
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#ifndef _GL_UNUSED |
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# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) |
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# define _GL_UNUSED __attribute__ ((__unused__)) |
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# else |
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# define _GL_UNUSED |
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# endif |
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#endif |
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/* The __pure__ attribute was added in gcc 2.96. */ |
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#ifndef _GL_ATTRIBUTE_PURE |
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# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) |
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# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) |
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# else |
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# define _GL_ATTRIBUTE_PURE /* empty */ |
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# endif |
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#endif |
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]))])
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