Kernel module makefile Compilation

 

Kerneldir? =/Home/Franky/linux-2.6.35 # This is the address of your kernel source code

 

PWD: = $ (shell PWD) # current compilation address

Cross_compile =/home/Franky/toolchain/bin/# address of the Cross-compilation tool

Cc = $ (cross_compile) arm-None-Linux-gnueabi-GCC # Name of the Cross-compilation tool

 

 

 

OBJ-M: = led_drv.o # Module name

 

ALL:

$ (Make)-C $ (kerneldir) M = $ (PWD) Modules # Enter

 

 

Compile the kerneldir directory and return

 

Clean:

Rm-RF *. O *~ Core. depend. *. CMD *. Ko

 

 

First, change the directory to the location specified by the-C option (that is, the kernel source code Directory, which contains the kernel top-level MAKEFILE file ), the M = option allows the makefile to return to the current directory before constructing the modules target.