m4/mbrtowc.m4

   1 # mbrtowc.m4 serial 4 (fileutils-4.1.3)
   2 dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
   3 dnl This file is free software, distributed under the terms of the GNU
   4 dnl General Public License.  As a special exception to the GNU General
   5 dnl Public License, this file may be distributed as part of a program
   6 dnl that contains a configuration script generated by Autoconf, under
   7 dnl the same distribution terms as the rest of that program.
   8
   9 dnl From Paul Eggert
  10
  11 AC_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 ])