(obstack_exit_failure) [!defined _LIBC]:

Now a macro referring to exit_failure, instead of a separate
variable.  Include "exitfail.h" to get it.

lib/obstack.c

@@ -1,7 +1,8 @@
 /* obstack.c - subroutines used implicitly by object stack macros
 
    Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997,
-   1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation,
+   Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -86,10 +87,12 @@ void (*obstack_alloc_failed_handler) (void) = print_and_abort;
 
 /* Exit value used when `print_and_abort' is used.  */
 # include <stdlib.h>
-# ifndef _LIBC
-#  include "exit.h"
-# endif
+# ifdef _LIBC
 int obstack_exit_failure = EXIT_FAILURE;
+# else
+#  include "exitfail.h"
+#  define obstack_exit_failure exit_failure
+# endif
 
 /* The non-GNU-C macros copy the obstack into this global variable
    to avoid multiple evaluation.  */