1 # wchar_t.m4 serial 1 (gettext-0.12) 2 dnl Copyright (C) 2002-2003 Free Software Foundation, Inc. 3 dnl This file is free software; the Free Software Foundation 4 dnl gives unlimited permission to copy and/or distribute it, 5 dnl with or without modifications, as long as this notice is preserved. 6 7 dnl From Bruno Haible. 8 dnl Test whether <stddef.h> has the 'wchar_t' type. 9 dnl Prerequisite: AC_PROG_CC 10 11 AC_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 ]) 21
