Linux 2.6 kernel module compilation without using KBUILD

Linux 2.6 kernel module compilation without using KBUILD

[murtuja bharmal]

Hello All,
   
I want to compile external linux kernel module without
using KBUILD.
I tried to find out whole process of kernel module
compilation using KBUILD after enabling flag 
KBUILD_VERBOSE=1.
   
If we look at 2.6 kernel module building process.
   
1. gcc is making ".hello.o.d" and ".tmp_hello.o"
   from "hello.c" file.
2. Creating "hello.o" file using ".hello.o.d"
   and ".tmp_hello.o". 
3. Running Script "scripts/mod/modpost" to
   create "hello.mod.c" using “hello.o”.
4. gcc is making "hello.mod.o" after compiling 
   "hello-mod.c" file.
5. finally "ld" is linking "hello.o"
   and "hello.mod.o" and making "hello.ko". 
   
Step 2 of above process is not very much cleared, how
it is making hello-2.o from ".hello.o.d" and
".tmp_hello.o".

What is ".tmp_hello.o”.
   
Do we have any document which describe how to make
kernel module without using KBUILD.
   
Any pointer of information is very helpful for me.
   
Thanks 
Murtuja Bharmal



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Re: Linux 2.6 kernel module compilation without using KBUILD

[Adam T. Bowen]

Hi,

murtuja bharmal wrote:
> I want to compile external linux kernel module without
> using KBUILD.

[snip]

> Do we have any document which describe how to make
> kernel module without using KBUILD.
>   
> Any pointer of information is very helpful for me.

There is a free O'Reilly book on building kernel modules:

http://lwn.net/Kernel/LDD3/

And there is also The Linux Kernel Module Programming Guide:

http://tldp.org/LDP/lkmpg/2.6/html/lkmpg.html

which has a whole section on creating your own makefiles for modules
that are not part of the kernel: 2.2. Compiling Kernel Modules.

Cheers

Adam