+#if defined(BOARD_HAS_BUTTONS) == defined(BOARD_DUMMY_BUTTONS_IMPLEMENTATION)
+ #error Mismatch between BOARD_HAS_BUTTONS and implementation.
+#endif
+
+#if defined(BOARD_HAS_DATAFLASH) == defined(BOARD_DUMMY_DATAFLASH_IMPLEMENTATION)
+ #error Mismatch between BOARD_HAS_DATAFLASH and implementation.
+#endif
+
+#if defined(BOARD_HAS_LEDS) == defined(BOARD_DUMMY_LEDS_IMPLEMENTATION)
+ #error Mismatch between BOARD_HAS_LEDS and implementation.
+#endif
+
+#if defined(BOARD_HAS_JOYSTICK) == defined(BOARD_DUMMY_JOYSTICK_IMPLEMENTATION)
+ #error Mismatch between BOARD_HAS_JOYSTICK and implementation.
+#endif
+