diff -urN libc/sysdeps/unix/sysv/linux/s390/s390-64/dl-cache.h libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/dl-cache.h
--- libc/sysdeps/unix/sysv/linux/s390/s390-64/dl-cache.h	Thu Jan  1 01:00:00 1970
+++ libc-s390/sysdeps/unix/sysv/linux/s390/s390-64/dl-cache.h	Mon Jun 18 20:57:28 2001
@@ -0,0 +1,25 @@
+/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#define _DL_CACHE_DEFAULT_ID	0x403
+
+#define _dl_cache_check_flags(flags)			\
+  ((flags) == _DL_CACHE_DEFAULT_ID)
+
+#include_next <dl-cache.h>