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# mbrtowc.m4 serial 5
dnl Copyright (C) 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
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl From Paul Eggert
dnl This file can be removed, and jm_FUNC_MBRTOWC replaced with
dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere.
AC_DEFUN([jm_FUNC_MBRTOWC],
[
AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
jm_cv_func_mbrtowc,
[AC_TRY_LINK(
[#include <wchar.h>],
[mbstate_t state; return ! (sizeof state && mbrtowc);],
jm_cv_func_mbrtowc=yes,
jm_cv_func_mbrtowc=no)])
if test $jm_cv_func_mbrtowc = yes; then
AC_DEFINE(HAVE_MBRTOWC, 1,
[Define to 1 if mbrtowc and mbstate_t are properly declared.])
fi
])
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