+ ifneq ("$(wildcard $(SUBPROJECT_PATH)/bootloader_defs.h)","")
+ OPT_DEFS += -include $(SUBPROJECT_PATH)/bootloader_defs.h
+ else ifneq ("$(wildcard $(SUBPROJECT_PATH)/boards/$(BOARD)/bootloader_defs.h)","")
+ OPT_DEFS += -include $(SUBPROJECT_PATH)/boards/$(BOARD)/bootloader_defs.h
+ else ifneq ("$(wildcard $(KEYBOARD_PATH)/bootloader_defs.h)","")
+ OPT_DEFS += -include $(KEYBOARD_PATH)/bootloader_defs.h
+ else ifneq ("$(wildcard $(KEYBOARD_PATH)/boards/$(BOARD)/bootloader_defs.h)","")
+ OPT_DEFS += -include $(KEYBOARD_PATH)/boards/$(BOARD)/bootloader_defs.h
+ endif