--- RhapServer/OSMutex.h.orig	Sun Feb 27 09:45:03 2000
+++ RhapServer/OSMutex.h	Sun Feb 27 09:45:12 2000
@@ -44,6 +44,7 @@
 #include "mymutex.h"
 #else
 #include <pthread.h>
+#include <pthread_np.h>
 #endif
 
 #include "OSHeaders.h"