-# wint_t.m4 serial 8
-dnl Copyright (C) 2003, 2007-2020 Free Software Foundation, Inc.
+# wint_t.m4 serial 10
+dnl Copyright (C) 2003, 2007-2021 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.
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>
+ [[#include <wchar.h>
wint_t foo = (wchar_t)'\0';]],
[[]])],
[gt_cv_c_wint_t=yes],
dnl Determine whether gnulib's <wchar.h> or <wctype.h> would, if present,
dnl override 'wint_t'.
- AC_CACHE_CHECK([whether wint_t is too small],
- [gl_cv_type_wint_t_too_small],
+ AC_CACHE_CHECK([whether wint_t is large enough],
+ [gl_cv_type_wint_t_large_enough],
[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>. */
-#if !(defined __GLIBC__ && !defined __UCLIBC__)
-# include <stddef.h>
-# include <stdio.h>
-# include <time.h>
-#endif
-#include <wchar.h>
- int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1];
+ [AC_LANG_PROGRAM(
+ [[#include <wchar.h>
+ int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1];
]])],
- [gl_cv_type_wint_t_too_small=no],
- [gl_cv_type_wint_t_too_small=yes])])
- if test $gl_cv_type_wint_t_too_small = yes; then
+ [gl_cv_type_wint_t_large_enough=yes],
+ [gl_cv_type_wint_t_large_enough=no])])
+ if test $gl_cv_type_wint_t_large_enough = no; then
GNULIB_OVERRIDES_WINT_T=1
else
GNULIB_OVERRIDES_WINT_T=0