+ifneq ("$(wildcard $(KEYMAP_PATH)/visualizer.c)","")
+ SRC += keyboards/$(KEYBOARD)/keymaps/$(KEYMAP)/visualizer.c
+else
+ ifeq ("$(wildcard $(SUBPROJECT_PATH)/keymaps/$(KEYMAP)/visualizer.c)","")
+$(error "$(KEYMAP_PATH)/visualizer.c" does not exist)
+ else
+ SRC += keyboards/$(KEYBOARD)/$(SUBPROJECT)/keymaps/$(KEYMAP)/visualizer.c
+ endif