gnulib: update to 776af40e0

[deliverable/binutils-gdb.git] / gnulib / import / m4 / wmemchr.m4

diff --git a/gnulib/import/m4/wmemchr.m4 b/gnulib/import/m4/wmemchr.m4
index 62bd89ca54d92426c6dcb4e9d098368d98d0b3a0..a5b4eb7b260c6edf86614771a5efbea2453e2c47 100644 (file)
--- a/gnulib/import/m4/wmemchr.m4
+++ b/gnulib/import/m4/wmemchr.m4
@@ -1,5 +1,5 @@
-# wmemchr.m4 serial 4
-dnl Copyright (C) 2011-2020 Free Software Foundation, Inc.
+# wmemchr.m4 serial 5
+dnl Copyright (C) 2011-2021 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.
@@ -11,16 +11,9 @@ AC_DEFUN([gl_FUNC_WMEMCHR],
   dnl provide this function as an inline function definition.
   AC_CACHE_CHECK([for wmemchr], [gl_cv_func_wmemchr],
     [AC_LINK_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>
-]],
+       [AC_LANG_PROGRAM(
+          [[#include <wchar.h>
+          ]],
           [[return ! wmemchr ((const wchar_t *) 0, (wchar_t) ' ', 0);]])
        ],
        [gl_cv_func_wmemchr=yes],