diff -urP linux-2.5.56/lib/Makefile linux-2.5.56_patched/lib/Makefile
--- linux-2.5.56/lib/Makefile	Fri Jan 10 21:11:20 2003
+++ linux-2.5.56_patched/lib/Makefile	Mon Jan 13 13:15:41 2003
@@ -9,7 +9,7 @@
 L_TARGET := lib.a

 export-objs := cmdline.o dec_and_lock.o rwsem-spinlock.o rwsem.o \
-	       crc32.o rbtree.o radix-tree.o kobject.o
+	       crc32.o rbtree.o radix-tree.o kobject.o errno.o

 obj-y := errno.o ctype.o string.o vsprintf.o brlock.o cmdline.o \
 	 bust_spinlocks.o rbtree.o radix-tree.o dump_stack.o \
diff -urP linux-2.5.56/lib/errno.c linux-2.5.56_patched/lib/errno.c
--- linux-2.5.56/lib/errno.c	Fri Jan 10 21:11:40 2003
+++ linux-2.5.56_patched/lib/errno.c	Mon Jan 13 13:17:21 2003
@@ -4,4 +4,8 @@
  *  Copyright (C) 1991, 1992  Linus Torvalds
  */

+#include <linux/module.h>
+
 int errno;
+
+EXPORT_SYMBOL(errno);