ifeq ($(KERNELRELEASE),) KERNELDIR = /home/waveshare/cubieboard2/kernel/linux-sunxi-sunxi-3.4.61_A20 PWD =$(shell pwd) modules: $(MAKE) -C $(KERNELDIR) M=$(PWD) modules arm-linux-gnueabihf-gcc -o w1-sun4i w1-sun4i.c modules_install: $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install clean: rm -rf *.o *.ko .tmp_versions *.mod.c modules.order Module.symvers else obj-m :=w1-sun4i.o endif