--- ./rtc_linux.c.orig	2005-02-19 11:15:40.446867160 +0100
+++ ./rtc_linux.c	2005-02-19 11:17:00.238736952 +0100
@@ -44,7 +44,8 @@
 #include <sys/types.h>
 
 #ifdef HAS_SPINLOCK_H
-#include <linux/spinlock.h>
+// #include <linux/spinlock.h>
+typedef int spinlock_t;
 #else
 /* Include dummy definition of spinlock_t to cope with earlier kernels. */
 typedef int spinlock_t;