-#else
-#define layer_state 0
-#define layer_clear()
-#define layer_move(layer)
-#define layer_on(layer)
-#define layer_off(layer)
-#define layer_invert(layer)
-
-#define layer_or(state)
-#define layer_and(state)
-#define layer_xor(state)
-#define layer_debug()