diff -ru dosbox-0.74.orig/include/dos_inc.h dosbox-0.74/include/dos_inc.h
--- dosbox-0.74.orig/include/dos_inc.h	2010-05-10 12:43:54.000000000 -0500
+++ dosbox-0.74/include/dos_inc.h	2012-03-10 15:19:47.000000000 -0600
@@ -21,6 +21,8 @@
 #ifndef DOSBOX_DOS_INC_H
 #define DOSBOX_DOS_INC_H
 
+#include <stddef.h>
+
 #ifndef DOSBOX_DOS_SYSTEM_H
 #include "dos_system.h"
 #endif
diff -ru dosbox-0.74.orig/src/cpu/cpu.cpp dosbox-0.74/src/cpu/cpu.cpp
--- dosbox-0.74.orig/src/cpu/cpu.cpp	2010-05-12 04:57:31.000000000 -0500
+++ dosbox-0.74/src/cpu/cpu.cpp	2012-03-10 15:17:54.000000000 -0600
@@ -19,6 +19,7 @@
 /* $Id: cpu.cpp,v 1.116 2009-03-16 18:10:08 c2woody Exp $ */
 
 #include <assert.h>
+#include <stddef.h>
 #include <sstream>
 #include "dosbox.h"
 #include "cpu.h"