--- gdb-5.2/sim/ppc/hw_sem.c.orig	Wed Jan  7 17:06:11 2004
+++ gdb-5.2/sim/ppc/hw_sem.c	Wed Jan  7 17:34:44 2004
@@ -22,6 +22,8 @@
 #ifndef _HW_SEM_C_
 #define _HW_SEM_C_
 
+#include <sys/types.h>
+
 #include "device_table.h"
 
 #ifdef HAVE_STRING_H