1# mbrtowc.m4 serial 4 (fileutils-4.1.3)
2dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
3dnl This file is free software, distributed under the terms of the GNU
4dnl General Public License.  As a special exception to the GNU General
5dnl Public License, this file may be distributed as part of a program
6dnl that contains a configuration script generated by Autoconf, under
7dnl the same distribution terms as the rest of that program.
8
9dnl From Paul Eggert
10
11AC_DEFUN([jm_FUNC_MBRTOWC],
12[
13  AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
14    jm_cv_func_mbrtowc,
15    [AC_TRY_LINK(
16       [#include <wchar.h>],
17       [mbstate_t state; return ! (sizeof state && mbrtowc);],
18       jm_cv_func_mbrtowc=yes,
19       jm_cv_func_mbrtowc=no)])
20  if test $jm_cv_func_mbrtowc = yes; then
21    AC_DEFINE(HAVE_MBRTOWC, 1,
22      [Define to 1 if mbrtowc and mbstate_t are properly declared.])
23  fi
24])
25