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1# wchar_t.m4 serial 1 (gettext-0.12)
2dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Bruno Haible.
8dnl Test whether <stddef.h> has the 'wchar_t' type.
9dnl Prerequisite: AC_PROG_CC
10
11AC_DEFUN([gt_TYPE_WCHAR_T],
12[
13 AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
14 [AC_TRY_COMPILE([#include <stddef.h>
15 wchar_t foo = (wchar_t)'\0';], ,
16 gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
17 if test $gt_cv_c_wchar_t = yes; then
18 AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
19 fi
20])