--- src/trsp/src/trsp_driver.cpp.orig	2016-09-26 14:22:29 UTC
+++ src/trsp/src/trsp_driver.cpp
@@ -25,6 +25,7 @@ Foundation, Inc., 51 Franklin Street, Fi
 #include <windows.h>
 #endif
 
+#include <stdlib.h>
 #include <string.h>
 #include <sstream>
 #include "GraphDefinition.h"