--- dosbox-0.74/include/dos_inc.h~	2010-05-10 19:43:54.000000000 +0200
+++ dosbox-0.74/include/dos_inc.h	2012-02-12 19:37:06.688604486 +0100
@@ -28,6 +28,8 @@
 #include "mem.h"
 #endif
 
+#include <cstddef>
+
 #ifdef _MSC_VER
 #pragma pack (1)
 #endif