JABY_ENGINE_CONFIG_DIR = $(JABY_ENGINE_DIR)config
ifdef CUSTOM_CONFIG
    # TODO: Use same header for -I and -imacros?
    CCFLAGS += -I$(JABY_ENGINE_CONFIG_DIR)/$(CUSTOM_CONFIG) -imacros $(JABY_ENGINE_CONFIG_DIR)/$(CUSTOM_CONFIG)/jabyengine_custom_defines.hpp
endif