# wchar_t.m4 serial 1 (gettext-0.12)

dnl Copyright (C) 2002-2003 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 Bruno Haible.

dnl Test whether <stddef.h> has the 'wchar_t' type.

dnl Prerequisite: AC_PROG_CC

AC_DEFUN([gt_TYPE_WCHAR_T],

[

  AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,

    [AC_TRY_COMPILE([#include <stddef.h>

       wchar_t foo = (wchar_t)'\0';], ,

       gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])

  if test $gt_cv_c_wchar_t = yes; then

    AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])

  fi

])