GIT_VERSION := $(shell git describe --abbrev=6 --dirty --always --tags 2>/dev/null || date +"%Y-%m-%d-%H:%M:%S")
BUILD_DATE := $(shell date +"%Y-%m-%d-%H:%M:%S")
OPT_DEFS += -DQMK_KEYBOARD=\"$(KEYBOARD)\" -DQMK_KEYMAP=\"$(KEYMAP)\"
-OPT_DEFS += -DQMK_VERSION=\"$(GIT_VERSION)\" -DQMK_BUILDDATE=\"$(BUILD_DATE)\"
+
+$(shell echo '#define QMK_VERSION "$(GIT_VERSION)"' > $(QUANTUM_PATH)/version.h)
+$(shell echo '#define QMK_BUILDDATE "$(BUILD_DATE)"' >> $(QUANTUM_PATH)/version.h)
\ No newline at end of file