--- src-common/tiledCanvas.cpp	2008-06-17 14:31:18.000000000 -0500
+++ src-common/tiledCanvas.cpp	2008-06-17 14:31:18.000000000 -0500
@@ -11,6 +11,7 @@
 #include <math.h>
 #include "primShape.h"
 #include "bounds.h"
+#include <cstdlib>
 
 void tiledCanvas::start(bool clear, const agg::rgba& bk, int , int )
 {