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date Sun, 16 Aug 2009 17:16:49 +0000
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1 # wint_t.m4 serial 3 (gettext-0.18)
2 dnl Copyright (C) 2003, 2007-2008 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 <wchar.h> has the 'wint_t' type.
9 dnl Prerequisite: AC_PROG_CC
10
11 AC_DEFUN([gt_TYPE_WINT_T],
12 [
13 AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
14 [AC_TRY_COMPILE([
15 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
16 <wchar.h>.
17 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
18 before <wchar.h>. */
19 #include <stddef.h>
20 #include <stdio.h>
21 #include <time.h>
22 #include <wchar.h>
23 wint_t foo = (wchar_t)'\0';], ,
24 [gt_cv_c_wint_t=yes], [gt_cv_c_wint_t=no])])
25 if test $gt_cv_c_wint_t = yes; then
26 AC_DEFINE([HAVE_WINT_T], 1, [Define if you have the 'wint_t' type.])
27 fi
28 ])