--- SFML-1.6.old/src/SFML/Window/Linux/Joystick.cpp	2010-01-27 09:00:27.000000000 -0500
+++ SFML-1.6.old/src/SFML/Window/Linux/Joystick.cpp	2012-06-06 22:34:10.867483003 -0400
@@ -27,7 +27,7 @@ 
 ////////////////////////////////////////////////////////////
 #include <SFML/Window/Joystick.hpp>
 #include <sstream>
-
+#include <unistd.h>
 
 namespace sf
 {