+ifeq ($(strip $(BLUETOOTH)), AdafruitBLE)
+ LUFA_SRC += $(LUFA_DIR)/adafruit_ble.cpp
+endif
+
+ifeq ($(strip $(BLUETOOTH)), AdafruitEZKey)
+ LUFA_SRC += $(LUFA_DIR)/bluetooth.c \
+ $(TMK_DIR)/protocol/serial_uart.c
+endif
+
+ifeq ($(strip $(BLUETOOTH)), RN42)