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260 lines
9.7 KiB
Plaintext
260 lines
9.7 KiB
Plaintext
![]() |
# intl.m4 serial 3 (gettext-0.16)
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dnl Copyright (C) 1995-2006 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 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 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 Authors:
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dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
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dnl Bruno Haible <haible@clisp.cons.org>, 2000-2006.
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AC_PREREQ(2.52)
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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([AM_PROG_MKDIR_P])dnl defined by automake
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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_LONGDOUBLE])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([gt_INTL_MACOSX])dnl
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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([stddef.h stdlib.h string.h])
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AC_CHECK_FUNCS([asprintf fwprintf putenv setenv setlocale snprintf wcslen])
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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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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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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 $gt_cv_func_printf_posix in
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*yes) HAVE_POSIX_PRINTF=1 ;;
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*) HAVE_POSIX_PRINTF=0 ;;
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esac
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AC_SUBST([HAVE_POSIX_PRINTF])
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if test "$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_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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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 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 libintl_lock_init
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#define glthread_lock_lock libintl_lock_lock
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#define glthread_lock_unlock libintl_lock_unlock
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#define glthread_lock_destroy libintl_lock_destroy
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#define glthread_rwlock_init libintl_rwlock_init
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#define glthread_rwlock_rdlock libintl_rwlock_rdlock
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#define glthread_rwlock_wrlock libintl_rwlock_wrlock
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#define glthread_rwlock_unlock libintl_rwlock_unlock
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#define glthread_rwlock_destroy libintl_rwlock_destroy
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#define glthread_recursive_lock_init libintl_recursive_lock_init
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#define glthread_recursive_lock_lock libintl_recursive_lock_lock
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#define glthread_recursive_lock_unlock libintl_recursive_lock_unlock
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#define glthread_recursive_lock_destroy libintl_recursive_lock_destroy
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#define glthread_once libintl_once
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#define glthread_once_call libintl_once_call
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#define glthread_once_singlethreaded libintl_once_singlethreaded
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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_TRY_LINK(
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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 argz_count argz_stringify \
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argz_next __fsetlocking])
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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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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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AM_ICONV
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dnl glibc >= 2.4 has a NL_LOCALE_NAME macro when _GNU_SOURCE is defined,
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dnl and a _NL_LOCALE_NAME macro always.
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AC_CACHE_CHECK([for NL_LOCALE_NAME macro], gt_cv_nl_locale_name,
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[AC_TRY_LINK([#include <langinfo.h>
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#include <locale.h>],
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[char* cs = nl_langinfo(_NL_LOCALE_NAME(LC_MESSAGES));],
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gt_cv_nl_locale_name=yes,
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gt_cv_nl_locale_name=no)
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])
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if test $gt_cv_nl_locale_name = yes; then
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AC_DEFINE(HAVE_NL_LOCALE_NAME, 1,
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[Define if you have <langinfo.h> and it defines the NL_LOCALE_NAME macro if _GNU_SOURCE is defined.])
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fi
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dnl intl/plural.c is generated from intl/plural.y. It requires bison,
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dnl because plural.y uses bison specific features. It requires at least
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dnl bison-1.26 because earlier versions generate a plural.c that doesn't
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dnl compile.
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dnl bison is only needed for the maintainer (who touches plural.y). But in
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dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
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dnl the rule in general Makefile. Now, some people carelessly touch the
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dnl files or have a broken "make" program, hence the plural.c rule will
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dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
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dnl present or too old.
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AC_CHECK_PROGS([INTLBISON], [bison])
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if test -z "$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 $ac_prog_version in
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'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
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1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
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changequote([,])dnl
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ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
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*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
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esac
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AC_MSG_RESULT([$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 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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[
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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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#ifndef $1
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char *p = (char *) $1;
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#endif
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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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gt_value=1
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else
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gt_value=0
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fi
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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.])
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])
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