diff -ur openliero-20080508.orig/blit.cpp openliero-20080508/blit.cpp
--- openliero-20080508.orig/blit.cpp	2008-05-06 09:16:43.000000000 +0300
+++ openliero-20080508/blit.cpp	2008-05-08 18:14:39.000000000 +0300
@@ -4,6 +4,7 @@
 #include "constants.hpp"
 #include <cstring>
 #include <cassert>
+#include <cstdlib>
 
 void drawBar(int x, int y, int width, int colour)
 {
diff -ur openliero-20080508.orig/bonus.cpp openliero-20080508/bonus.cpp
--- openliero-20080508.orig/bonus.cpp	2008-05-06 09:16:43.000000000 +0300
+++ openliero-20080508/bonus.cpp	2008-05-08 18:14:50.000000000 +0300
@@ -2,6 +2,7 @@
 #include "game.hpp"
 #include "constants.hpp"
 #include <iostream>
+#include <cstdlib>
 
 void Bonus::process()
 {
diff -ur openliero-20080508.orig/game.cpp openliero-20080508/game.cpp
--- openliero-20080508.orig/game.cpp	2008-05-06 09:16:43.000000000 +0300
+++ openliero-20080508/game.cpp	2008-05-08 18:14:31.000000000 +0300
@@ -10,6 +10,7 @@
 //#include "text.hpp" // TEMP
 
 #include <iostream>
+#include <cstdlib>
 
 Game game;
 
diff -ur openliero-20080508.orig/gfx.cpp openliero-20080508/gfx.cpp
--- openliero-20080508.orig/gfx.cpp	2008-05-06 09:16:43.000000000 +0300
+++ openliero-20080508/gfx.cpp	2008-05-08 18:16:25.000000000 +0300
@@ -10,6 +10,7 @@
 #include <cctype>
 #include <SDL/SDL.h>
 #include <iostream>
+#include <cstdlib>
 
 /*
 ds:0000 is 0x 1AE80
diff -ur openliero-20080508.orig/sobject.cpp openliero-20080508/sobject.cpp
--- openliero-20080508.orig/sobject.cpp	2008-05-06 09:16:43.000000000 +0300
+++ openliero-20080508/sobject.cpp	2008-05-08 18:17:26.000000000 +0300
@@ -9,6 +9,7 @@
 #include "text.hpp"
 #include <cmath>
 #include <cassert>
+#include <cstdlib>
 #include <iostream> // TEMP
 
 void SObjectType::create(int x, int y, Worm* owner)
diff -ur openliero-20080508.orig/worm.cpp openliero-20080508/worm.cpp
--- openliero-20080508.orig/worm.cpp	2008-05-06 09:16:43.000000000 +0300
+++ openliero-20080508/worm.cpp	2008-05-08 18:17:36.000000000 +0300
@@ -6,6 +6,7 @@
 #include "constants.hpp"
 #include "console.hpp"
 
+#include <cstdlib>
 #include <iostream>
 
 struct Point