--- src/vsp_graphic/src/Scene.cpp.orig	2017-01-09 21:50:15 UTC
+++ src/vsp_graphic/src/Scene.cpp
@@ -15,6 +15,7 @@
 #include "ByteOperationUtil.h"
 
 #include <assert.h>
+#include <stdlib.h>
 
 namespace VSPGraphic
 {