MOL Compiling

[Francois Taiani]

Hi Arch,

I also had to fight a little with my headers: that's a laborious task... 
  But a rewarding one, once it works! But to the point: it's extremely 
important (at least it was for me) that you compile mol with the kernel 
headers of the kernel your're going to use mol with. I think I dimmly 
remember that a part of the kernel headers is generated at compile time, 
and strongly depends on many things, so that the probability that some 
headers found on the web correspond to your kernel are very low. The 
only solution I found was to compile a brand new kernel (as weird as it 
sound, that's a quite common task. There's a very helpful howto on it, 
if you haven't done it already), install it, and use exactly the headers 
resulting from the compilation for it.

I'm not sure your problem is directly connected to that, but maybe it 
can help.

Cheers

Francois

Arch & Cath wrote:
> Per ur suggestions, I moved everything into /usr/src and unpacked the tar
> for mol-kmods.  After a few more missteps, got ./configure to work.  Then I
> tried "make modules" and got:
> 
> [root@bgp605554bgs src]# cd mol-kmods-0.9.64
> [root@bgp605554bgs mol-kmods-0.9.64]# make modules
> Making all in Linux
> ===========================================================
>  Kernel headers:          /usr/src/linux/include
>  Module compiled for:     2.4.19-pre9-ben0
>  Running kernel:          2.4.19-4a
> ===========================================================
> In file included from /usr/src/linux/include/linux/module.h:21,
>                  from molsymglue.c:22:
> /usr/include/linux/modversions.h:1: #error Modules should never use
> kernel-headers system
> headers,
> /usr/include/linux/modversions.h:2: #error but headers from an appropriate
> kernel-source
> make[3]: *** [molsymglue.o] Error 1
> make[2]: *** [all-recursive] Error 1
> make[1]: *** [modules_] Error 2
> make: *** [modules] Error 2
> [root@bgp605554bgs mol-kmods-0.9.64]#
> 
> I am really confused now.  My system has a kernel-headers installed but I
> can't find the source (cd-rom, Yellow Dog sites) for it to put in /usr/src.
> Where have my headers gone?
> 
> Arch
> 
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> 


-- 
Francois Taiani              LAAS-CNRS (http://www.laas.fr)
+33 (0) 561 336 406          Dependable Computing
http://www.laas.fr/~ftaiani  and Fault Tolerance