diff -up OpenLieroX/src/gusanos/objects_list.h.orig OpenLieroX/src/gusanos/objects_list.h --- OpenLieroX/src/gusanos/objects_list.h.orig 2012-04-17 02:26:15.000000000 +0200 +++ OpenLieroX/src/gusanos/objects_list.h 2012-04-20 11:20:55.938964194 +0200 @@ -4,6 +4,7 @@ //#include "game/CGameObject.h" #include <list> #include <vector> +#include <unistd.h> static const int RENDER_LAYERS_AMMOUNT = 10; static const int COLLISION_LAYERS_AMMOUNT = 10;