obj-m += $(addsuffix .o, $(notdir $(basename $(wildcard $(BR2_EXTERNAL_KERNEL_MODULE_PATH)/*.c)))) ccflags-y := -DDEBUG -g -std=gnu99 -Wno-declaration-after-statement .PHONY: all clean test all: test $(MAKE) -C '$(LINUX_DIR)' M='$(PWD)' modules clean: $(MAKE) -C '$(LINUX_DIR)' M='$(PWD)' clean test: $(MAKE) -C '$(PWD)/test'