1119418Sobrien# wchar_t.m4 serial 1 (gettext-0.12)
291396Stmmdnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
3178589Smariusdnl This file is free software; the Free Software Foundation
491396Stmmdnl gives unlimited permission to copy and/or distribute it,
591396Stmmdnl with or without modifications, as long as this notice is preserved.
691396Stmm
791396Stmmdnl From Bruno Haible.
891396Stmmdnl Test whether <stddef.h> has the 'wchar_t' type.
991396Stmmdnl Prerequisite: AC_PROG_CC
1091396Stmm
1191396StmmAC_DEFUN([gt_TYPE_WCHAR_T],
1291396Stmm[
1391396Stmm  AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
1491396Stmm    [AC_TRY_COMPILE([#include <stddef.h>
1591396Stmm       wchar_t foo = (wchar_t)'\0';], ,
1691396Stmm       gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
1791396Stmm  if test $gt_cv_c_wchar_t = yes; then
1891396Stmm    AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
1991396Stmm  fi
2091396Stmm])
2191396Stmm