1$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/include/libdrm) 2$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/include/freedreno) 3$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libdrm_*intermediates) 4$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libdrm_*intermediates) 5