ifneq ($(KERNELRELEASE),)
	obj-m += test.o
else
	PWD := $(shell pwd)
	KVER := $(shell uname -r)
	KDIR := $(HUACHENG_LINUX_KERNEL) 
KBUILD_EXTRA_SYMBOLS += ../api/Module.symvers
export KBUILD_EXTRA_SYMBOLS
default:
	$(MAKE) -C $(KDIR)  M=$(PWD) modules
all:
	make -C $(KDIR) M=$(PWD) modules 
clean:
	rm -rf *.o *.mod.c *.ko *.symvers *.order *.makers .*.cmd *.cmd .tmp_versions .cache.mk
endif