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- # wint_t.m4 serial 5 (gettext-0.18.2)
- dnl Copyright (C) 2003, 2007-2016 Free Software Foundation, Inc.
- dnl This file is free software; the Free Software Foundation
- dnl gives unlimited permission to copy and/or distribute it,
- dnl with or without modifications, as long as this notice is preserved.
- dnl From Bruno Haible.
- dnl Test whether <wchar.h> has the 'wint_t' type.
- dnl Prerequisite: AC_PROG_CC
- AC_DEFUN([gt_TYPE_WINT_T],
- [
- AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[
- /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
- <wchar.h>.
- BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
- before <wchar.h>. */
- #include <stddef.h>
- #include <stdio.h>
- #include <time.h>
- #include <wchar.h>
- wint_t foo = (wchar_t)'\0';]],
- [[]])],
- [gt_cv_c_wint_t=yes],
- [gt_cv_c_wint_t=no])])
- if test $gt_cv_c_wint_t = yes; then
- AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])
- fi
- ])
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