-#serial 6
+#serial 7
# Copyright (C) 2000, 2001, 2005, 2006 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
AC_TRY_RUN([
#include <stdio.h>
#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
int main ()
{
FILE *s;