1# wint_t.m4 serial 5 (gettext-0.18.2) 2dnl Copyright (C) 2003, 2007-2012 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 <wchar.h> has the 'wint_t' type. 9dnl Prerequisite: AC_PROG_CC 10 11AC_DEFUN([gt_TYPE_WINT_T], 12[ 13 AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t], 14 [AC_COMPILE_IFELSE( 15 [AC_LANG_PROGRAM( 16 [[ 17/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before 18 <wchar.h>. 19 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included 20 before <wchar.h>. */ 21#include <stddef.h> 22#include <stdio.h> 23#include <time.h> 24#include <wchar.h> 25 wint_t foo = (wchar_t)'\0';]], 26 [[]])], 27 [gt_cv_c_wint_t=yes], 28 [gt_cv_c_wint_t=no])]) 29 if test $gt_cv_c_wint_t = yes; then 30 AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.]) 31 fi 32]) 33