Convert to new autoconf.

This commit is contained in:
Paul Eggert 2002-06-10 08:04:33 +00:00
parent 735b377bbd
commit 3c8ae4bdc1

View File

@ -1,5 +1,5 @@
# mbstate_t.m4 serial 9 (fileutils-4.1.3)
dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
dnl Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
@ -12,24 +12,21 @@ dnl the same distribution terms as the rest of that program.
# so you can't declare an object of that type.
# Check for this incompatibility with Standard C.
# Include stdlib.h first, because otherwise this test would fail on Linux
# (at least glibc-2.1.3) because the "_XOPEN_SOURCE 500" definition elicits
# a syntax error in wchar.h due to the use of undefined __int32_t.
AC_DEFUN([AC_MBSTATE_T],
[
AC_CHECK_HEADERS(stdlib.h)
AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
[AC_TRY_COMPILE([
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include <wchar.h>],
[mbstate_t x; return sizeof x;],
ac_cv_type_mbstate_t=yes,
ac_cv_type_mbstate_t=no)])
if test $ac_cv_type_mbstate_t = no; then
AC_DEFINE(mbstate_t, int,
# AC_TYPE_MBSTATE_T
# -----------------
AC_DEFUN([AC_TYPE_MBSTATE_T],
[AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[AC_INCLUDES_DEFAULT
# include <wchar.h>],
[mbstate_t x; return sizeof x;])],
[ac_cv_type_mbstate_t=yes],
[ac_cv_type_mbstate_t=no])])
if test $ac_cv_type_mbstate_t = yes; then
AC_DEFINE([HAVE_MBSTATE_T], 1,
[Define to 1 if <wchar.h> declares mbstate_t.])
else
AC_DEFINE([mbstate_t], int,
[Define to a type if <wchar.h> does not define.])
fi])