Try the following small patch to fix non modular builds of the main
sound core
--- soundmodule.h~ Sat Jan 3 18:33:15 1998
+++ soundmodule.h Sun Jan 4 13:31:11 1998
@@ -1,13 +1,13 @@
#ifndef _SOUNDMODULE_H
#define _SOUNDMODULE_H
-#ifdef MODULE
-
#include <linux/notifier.h>
extern struct notifier_block *sound_locker;
extern void sound_notifier_chain_register(struct notifier_block *);
extern int lock_depth;
+
+#ifdef MODULE
#ifdef SOUND_CORE