cur_dir := $(dir $(lastword $(MAKEFILE_LIST))) obj-y := $(patsubst $(cur_dir)%,%,$(wildcard $(cur_dir)*.c $(cur_dir)*.cpp $(cur_dir)*.S)) obj-y := $(obj-y:.c=.o) obj-y := $(obj-y:.cpp=.o) obj-y := $(obj-y:.S=.o) ifeq ($(wildcard $(cur_dir)$(CHIP)/),) obj-y += sbcaac_dummy.o $(obj)/sbcaac_dummy.o : $(call if_changed,cc_dummy) else obj-y += $(CHIP)/ endif subdir-ccflags-y += -Iservices/nvrecord