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