--- src/sdl_driver.cpp.orig	2007-09-14 05:43:03 UTC
+++ src/sdl_driver.cpp
@@ -5,6 +5,7 @@
 #include <SDL/SDL.h>
 #include <SDL/SDL_ttf.h>
 #include <cstdio>
+#include <cstdlib>
 
 #include "sdl_driver.h"
 #include "canvas.h"