# If KERNELRELEASE is defined, we've been invoked from the # kernel build system and can use its language. ifneq ($(KERNELRELEASE),) obj-m := starbit.o # Otherwise we were called directly from the command # line; invoke the kernel build system. else KERNELDIR ?= /usr/src/kernels/$(shell uname -r) PWD := $(shell pwd) default: make -C $(KERNELDIR) M=$(PWD) modules endif