a makefile for Linux 2.6 lkm

This makefile is modified from the makefile in LDDv3.

	# If KERNELRELEASE is defined, we've been invoked from the # kernel build system and can use its language. # ifeq ($(KERNELRELEASE),)         KERNELDIR ?= /lib/modules/$(shell uname -r)/build         PWD  := $(shell pwd)         VPATH += $(PWD) default:         $(MAKE) -C $(KERNELDIR) M=$(PWD) modules clean:         $(MAKE) -C $(KERNELDIR) M=$(PWD) clean         @-rm *.symvers endif

An example to use it,

obj-m := chardev.o chardev-objs := main.o subr.o include lkm.mk