About linux kernel module

Question

Does the kernel module need a linux kernel to finish the compilation ?
Can I compile a kernel module without kernel ?

What I mean is: copy the needed kernel header, manually write makefile or manually compile. and without using the kernel building system.

Will Tate · Accepted Answer · 2011-02-01 20:08:10Z

2

Lovespring,

You will need a copy of the kernel source or kernel headers for the kernel you are attempting to compile against. The kernel source is generally not installed with the system by default.

Typically, you can pull down a copy of the kernel source through whatever package/repository manager your have.

answered Feb 1, 2011 at 20:08

Will Tate

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2 Comments

lovespring Over a year ago

Can i manually compile kernel module without the kernel build system. see: linuxforums.org/forum/kernel/…

Will Tate Over a year ago

That forum is discussing make files to build the entire kernel. For your individual kernel module you will have to produce your own Makefile for it. But you don't need to BUILD the entire kernel just to build your single kernel module. The makefiles for an individual kernel module are fairly simple as its usually a single .c source file. Can you give me a better description of exactly what you are trying to accomplish?

Se7so · Accepted Answer · 2012-09-20 11:15:31Z

You may not need an installed kernel, but you will definitely need a copy of the source to be able to compile your module.

LIUB · Accepted Answer · 2012-12-28 22:42:35Z

Does the kernel module need a linux kernel to finish the compilation ? Can I compile a kernel module without kernel ?

Yes, you can have single Makefile for your module source code. It still needs to find the kernel headers and some basic build tools.

you do not need to have the kernel sources, and you do not need to recompile the kernel.

Page #94 of this chapter may help: http://www.linuxfordevices.com/files/misc/newnes_embedded_linux_ch7.pdf

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