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# intl.m4 serial 29 (gettext-0.19)
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dnl Copyright (C) 1995-2014 Free Software Foundation, Inc.
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# intl.m4 serial 17 (gettext-0.18)
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dnl Copyright (C) 1995-2009 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 This file can be used in projects which are not available under
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dnl This file can 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 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 gettext package 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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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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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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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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dnl Support for automake's --enable-silent-rules.
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case "$enable_silent_rules" in
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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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AC_CHECK_HEADERS([features.h stddef.h stdlib.h string.h])
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AC_CHECK_HEADERS([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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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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gt_CHECK_DECL(_snprintf, [#include <stdio.h>])
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gt_CHECK_DECL(_snwprintf, [#include <stdio.h>])
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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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dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
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gt_CHECK_DECL(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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AC_REQUIRE([gt_INTTYPES_PRI])dnl
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AC_REQUIRE([gl_LOCK])dnl
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[[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }]],
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[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }],
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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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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 $ac_cv_func_uselocale = yes; then
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AC_CHECK_FUNCS([getlocalename_l])
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dnl Use the *_unlocked functions only if they are declared.
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dnl (because some of them were defined without being declared in Solaris
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dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
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dnl on Solaris 2.5.1 to run on Solaris 2.6).
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AC_CHECK_DECLS([feof_unlocked, fgets_unlocked], , , [#include <stdio.h>])
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dnl Don't use AC_CHECK_DECLS because it isn't supported in autoconf-2.13.
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gt_CHECK_DECL([feof_unlocked], [#include <stdio.h>])
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gt_CHECK_DECL([fgets_unlocked], [#include <stdio.h>])
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dnl intl/plural.c is generated from intl/plural.y. It requires bison,
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dnl because plural.y uses bison specific features. It requires at least
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dnl bison-2.7 for %define api.pure.
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dnl bison-1.26 because earlier versions generate a plural.c that doesn't
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dnl bison is only needed for the maintainer (who touches plural.y). But in
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dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
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dnl the rule in general Makefile. Now, some people carelessly touch the
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ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
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case $ac_prog_version in
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'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
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1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
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changequote([,])dnl
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ac_prog_version="$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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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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# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
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# define _GL_UNUSED __attribute__ ((__unused__))
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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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# define _GL_ATTRIBUTE_PURE /* empty */
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dnl gt_CHECK_DECL(FUNC, INCLUDES)
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dnl Check whether a function is declared.
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AC_DEFUN([gt_CHECK_DECL],
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AC_CACHE_CHECK([whether $1 is declared], [ac_cv_have_decl_$1],
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[AC_TRY_COMPILE([$2], [
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char *p = (char *) $1;
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], ac_cv_have_decl_$1=yes, ac_cv_have_decl_$1=no)])
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if test $ac_cv_have_decl_$1 = yes; then
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AC_DEFINE_UNQUOTED([HAVE_DECL_]translit($1, [a-z], [A-Z]), [$gt_value],
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[Define to 1 if you have the declaration of `$1', and to 0 if you don't.])
added
removed
m4/intl.m4
