# mbrtowc.m4 serial 7 dnl Copyright (C) 2001-2002, 2004 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 gl_FUNC_MBRTOWC replaced with dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere. AC_DEFUN([gl_FUNC_MBRTOWC], [ AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], gl_cv_func_mbrtowc, [AC_TRY_LINK( [#include <wchar.h>], [mbstate_t state; return ! (sizeof state && mbrtowc);], gl_cv_func_mbrtowc=yes, gl_cv_func_mbrtowc=no)]) if test $gl_cv_func_mbrtowc = yes; then AC_DEFINE(HAVE_MBRTOWC, 1, [Define to 1 if mbrtowc and mbstate_t are properly declared.]) fi ])