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+# intl.m4 serial 3 (gettext-0.16)
+dnl Copyright (C) 1995-2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+dnl
+dnl This file can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
+dnl Bruno Haible <haible@clisp.cons.org>, 2000-2006.
+
+AC_PREREQ(2.52)
+
+dnl Checks for all prerequisites of the intl subdirectory,
+dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
+dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
+AC_DEFUN([AM_INTL_SUBDIR],
+[
+ AC_REQUIRE([AC_PROG_INSTALL])dnl
+ AC_REQUIRE([AC_PROG_MKDIR_P])dnl
+ AC_REQUIRE([AC_PROG_CC])dnl
+ AC_REQUIRE([AC_CANONICAL_HOST])dnl
+ AC_REQUIRE([gt_GLIBC2])dnl
+ AC_REQUIRE([AC_PROG_RANLIB])dnl
+ AC_REQUIRE([gl_VISIBILITY])dnl
+ AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])dnl
+ AC_REQUIRE([gt_TYPE_LONGDOUBLE])dnl
+ AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
+ AC_REQUIRE([gt_TYPE_WINT_T])dnl
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([gt_TYPE_INTMAX_T])
+ AC_REQUIRE([gt_PRINTF_POSIX])
+ AC_REQUIRE([gl_GLIBC21])dnl
+ AC_REQUIRE([gl_XSIZE])dnl
+ AC_REQUIRE([gt_INTL_MACOSX])dnl
+
+ AC_CHECK_TYPE([ptrdiff_t], ,
+ [AC_DEFINE([ptrdiff_t], [long],
+ [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
+ ])
+ AC_CHECK_HEADERS([stddef.h stdlib.h string.h])
+ AC_CHECK_FUNCS([asprintf fwprintf putenv setenv setlocale snprintf wcslen])
+
+ dnl Use the _snprintf function only if it is declared (because on NetBSD it
+ dnl is defined as a weak alias of snprintf; we prefer to use the latter).
+ gt_CHECK_DECL(_snprintf, [#include <stdio.h>])
+ gt_CHECK_DECL(_snwprintf, [#include <stdio.h>])
+
+ dnl Use the *_unlocked functions only if they are declared.
+ dnl (because some of them were defined without being declared in Solaris
+ dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
+ dnl on Solaris 2.5.1 to run on Solaris 2.6).
+ dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
+ gt_CHECK_DECL(getc_unlocked, [#include <stdio.h>])
+
+ case $gt_cv_func_printf_posix in
+ *yes) HAVE_POSIX_PRINTF=1 ;;
+ *) HAVE_POSIX_PRINTF=0 ;;
+ esac
+ AC_SUBST([HAVE_POSIX_PRINTF])
+ if test "$ac_cv_func_asprintf" = yes; then
+ HAVE_ASPRINTF=1
+ else
+ HAVE_ASPRINTF=0
+ fi
+ AC_SUBST([HAVE_ASPRINTF])
+ if test "$ac_cv_func_snprintf" = yes; then
+ HAVE_SNPRINTF=1
+ else
+ HAVE_SNPRINTF=0
+ fi
+ AC_SUBST([HAVE_SNPRINTF])
+ if test "$ac_cv_func_wprintf" = yes; then
+ HAVE_WPRINTF=1
+ else
+ HAVE_WPRINTF=0
+ fi
+ AC_SUBST([HAVE_WPRINTF])
+
+ AM_LANGINFO_CODESET
+ gt_LC_MESSAGES
+
+ dnl Compilation on mingw and Cygwin needs special Makefile rules, because
+ dnl 1. when we install a shared library, we must arrange to export
+ dnl auxiliary pointer variables for every exported variable,
+ dnl 2. when we install a shared library and a static library simultaneously,
+ dnl the include file specifies __declspec(dllimport) and therefore we
+ dnl must arrange to define the auxiliary pointer variables for the
+ dnl exported variables _also_ in the static library.
+ if test "$enable_shared" = yes; then
+ case "$host_os" in
+ cygwin*) is_woe32dll=yes ;;
+ *) is_woe32dll=no ;;
+ esac
+ else
+ is_woe32dll=no
+ fi
+ WOE32DLL=$is_woe32dll
+ AC_SUBST([WOE32DLL])
+
+ dnl Rename some macros and functions used for locking.
+ AH_BOTTOM([
+#define __libc_lock_t gl_lock_t
+#define __libc_lock_define gl_lock_define
+#define __libc_lock_define_initialized gl_lock_define_initialized
+#define __libc_lock_init gl_lock_init
+#define __libc_lock_lock gl_lock_lock
+#define __libc_lock_unlock gl_lock_unlock
+#define __libc_lock_recursive_t gl_recursive_lock_t
+#define __libc_lock_define_recursive gl_recursive_lock_define
+#define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized
+#define __libc_lock_init_recursive gl_recursive_lock_init
+#define __libc_lock_lock_recursive gl_recursive_lock_lock
+#define __libc_lock_unlock_recursive gl_recursive_lock_unlock
+#define glthread_in_use libintl_thread_in_use
+#define glthread_lock_init libintl_lock_init
+#define glthread_lock_lock libintl_lock_lock
+#define glthread_lock_unlock libintl_lock_unlock
+#define glthread_lock_destroy libintl_lock_destroy
+#define glthread_rwlock_init libintl_rwlock_init
+#define glthread_rwlock_rdlock libintl_rwlock_rdlock
+#define glthread_rwlock_wrlock libintl_rwlock_wrlock
+#define glthread_rwlock_unlock libintl_rwlock_unlock
+#define glthread_rwlock_destroy libintl_rwlock_destroy
+#define glthread_recursive_lock_init libintl_recursive_lock_init
+#define glthread_recursive_lock_lock libintl_recursive_lock_lock
+#define glthread_recursive_lock_unlock libintl_recursive_lock_unlock
+#define glthread_recursive_lock_destroy libintl_recursive_lock_destroy
+#define glthread_once libintl_once
+#define glthread_once_call libintl_once_call
+#define glthread_once_singlethreaded libintl_once_singlethreaded
+])
+])
+
+
+dnl Checks for the core files of the intl subdirectory:
+dnl dcigettext.c
+dnl eval-plural.h
+dnl explodename.c
+dnl finddomain.c
+dnl gettextP.h
+dnl gmo.h
+dnl hash-string.h hash-string.c
+dnl l10nflist.c
+dnl libgnuintl.h.in (except the *printf stuff)
+dnl loadinfo.h
+dnl loadmsgcat.c
+dnl localealias.c
+dnl log.c
+dnl plural-exp.h plural-exp.c
+dnl plural.y
+dnl Used by libglocale.
+AC_DEFUN([gt_INTL_SUBDIR_CORE],
+[
+ AC_REQUIRE([AC_C_INLINE])dnl
+ AC_REQUIRE([AC_TYPE_SIZE_T])dnl
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ AC_REQUIRE([AC_FUNC_ALLOCA])dnl
+ AC_REQUIRE([AC_FUNC_MMAP])dnl
+ AC_REQUIRE([gt_INTDIV0])dnl
+ AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
+ AC_REQUIRE([gt_INTTYPES_PRI])dnl
+ AC_REQUIRE([gl_LOCK])dnl
+
+ AC_TRY_LINK(
+ [int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }],
+ [],
+ [AC_DEFINE([HAVE_BUILTIN_EXPECT], 1,
+ [Define to 1 if the compiler understands __builtin_expect.])])
+
+ AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h])
+ AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \
+ stpcpy strcasecmp strdup strtoul tsearch argz_count argz_stringify \
+ argz_next __fsetlocking])
+
+ dnl Use the *_unlocked functions only if they are declared.
+ dnl (because some of them were defined without being declared in Solaris
+ dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
+ dnl on Solaris 2.5.1 to run on Solaris 2.6).
+ dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
+ gt_CHECK_DECL(feof_unlocked, [#include <stdio.h>])
+ gt_CHECK_DECL(fgets_unlocked, [#include <stdio.h>])
+
+ AM_ICONV
+
+ dnl glibc >= 2.4 has a NL_LOCALE_NAME macro when _GNU_SOURCE is defined,
+ dnl and a _NL_LOCALE_NAME macro always.
+ AC_CACHE_CHECK([for NL_LOCALE_NAME macro], gt_cv_nl_locale_name,
+ [AC_TRY_LINK([#include <langinfo.h>
+#include <locale.h>],
+ [char* cs = nl_langinfo(_NL_LOCALE_NAME(LC_MESSAGES));],
+ gt_cv_nl_locale_name=yes,
+ gt_cv_nl_locale_name=no)
+ ])
+ if test $gt_cv_nl_locale_name = yes; then
+ AC_DEFINE(HAVE_NL_LOCALE_NAME, 1,
+ [Define if you have <langinfo.h> and it defines the NL_LOCALE_NAME macro if _GNU_SOURCE is defined.])
+ fi
+
+ dnl intl/plural.c is generated from intl/plural.y. It requires bison,
+ dnl because plural.y uses bison specific features. It requires at least
+ dnl bison-1.26 because earlier versions generate a plural.c that doesn't
+ dnl compile.
+ dnl bison is only needed for the maintainer (who touches plural.y). But in
+ dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
+ dnl the rule in general Makefile. Now, some people carelessly touch the
+ dnl files or have a broken "make" program, hence the plural.c rule will
+ dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
+ dnl present or too old.
+ AC_CHECK_PROGS([INTLBISON], [bison])
+ if test -z "$INTLBISON"; then
+ ac_verc_fail=yes
+ else
+ dnl Found it, now check the version.
+ AC_MSG_CHECKING([version of bison])
+changequote(<<,>>)dnl
+ ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
+ case $ac_prog_version in
+ '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+ 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
+changequote([,])dnl
+ ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+ *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+ esac
+ AC_MSG_RESULT([$ac_prog_version])
+ fi
+ if test $ac_verc_fail = yes; then
+ INTLBISON=:
+ fi
+])
+
+
+dnl gt_CHECK_DECL(FUNC, INCLUDES)
+dnl Check whether a function is declared.
+AC_DEFUN([gt_CHECK_DECL],
+[
+ AC_CACHE_CHECK([whether $1 is declared], ac_cv_have_decl_$1,
+ [AC_TRY_COMPILE([$2], [
+#ifndef $1
+ char *p = (char *) $1;
+#endif
+], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)])
+ if test $ac_cv_have_decl_$1 = yes; then
+ gt_value=1
+ else
+ gt_value=0
+ fi
+ AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
+ [Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
+])