+ifeq ($(strip $(TERMINAL_ENABLE)), yes)
+ SRC += $(QUANTUM_DIR)/process_keycode/process_terminal.c
+ OPT_DEFS += -DTERMINAL_ENABLE
+endif
+
+ifeq ($(strip $(USB_HID_ENABLE)), yes)
+ include $(TMK_DIR)/protocol/usb_hid.mk
+endif
+
+ifeq ($(strip $(ENCODER_ENABLE)), yes)
+ SRC += $(QUANTUM_DIR)/encoder.c
+ OPT_DEFS += -DENCODER_ENABLE
+endif
+
+ifeq ($(strip $(HD44780_ENABLE)), yes)
+ SRC += drivers/avr/hd44780.c
+ OPT_DEFS += -DHD44780_ENABLE
+endif
+
+ifeq ($(strip $(DYNAMIC_KEYMAP_ENABLE)), yes)
+ OPT_DEFS += -DDYNAMIC_KEYMAP_ENABLE
+ SRC += $(QUANTUM_DIR)/dynamic_keymap.c
+endif
+
+ifeq ($(strip $(LEADER_ENABLE)), yes)
+ SRC += $(QUANTUM_DIR)/process_keycode/process_leader.c
+ OPT_DEFS += -DLEADER_ENABLE
+endif
+