Lustre discuss - Nov 2007 - building against kernel-lustre-source

I''ve downloaded the kernel-lustre-source packge for rhel5-x86_64.
I''m
wanting to build some modules against the pre-patched source and then  
also build lustre from it. When I try to build lustre using the  
command ./configure --with-linux=/usr/src/ 
linux-2.6.18-8.1.14.el5_lustre.1.6.3 --with-linux-obj=/usr/src/ 
linux-2.6.18-8.1.14.el5_lustre.1.6.3-obj/x86_64/smp/ I get this error--

checking that modules can be built at all... no
configure: WARNING: Consult config.log for details.
configure: WARNING: If you are trying to build with a kernel-source  
rpm, consult build/README.kernel-source

I tried the instructions on the lustre wiki to build against the  
kernel source but to no avail.

Any ideas?

Aaron Knister
Associate Systems Administrator/Web Designer
Center for Research on Environment and Water

(301) 595-7001
aaron at iges.org

Hi,

Try to follow these steps:

cd /usr/src/<linux-lustre-kernel-source>/
make mrproper
cp /usr/src/<linux-kernel-source-obj>/x86_64/smp/.config .
#Edit Makefile
EXTRAVERSION = -55.0.9.EL_lustre.1.6.3smp
make menuconfig
make include/asm
make include/linux/version.h
make SUBDIRS=scripts

cd ../lustre-source/
make clean
./configure --with-linux=/usr/src/<linux-lustre-kernel-source>

I assume your kernel-source and lustre source are located in /usr/src
Another assumption for steps above is that you are #root when  
performing these steps. However you don''t have to be root to perform  
these steps. You can unpack rpms with kernel and lustre source under  
your home directory and then build  lustre there.

I hope this helps

Wojciech Turek

On 27 Nov 2007, at 18:16, Aaron Knister wrote:
> I''ve downloaded the kernel-lustre-source packge for rhel5-x86_64.
I''m
> wanting to build some modules against the pre-patched source and then
> also build lustre from it. When I try to build lustre using the
> command ./configure --with-linux=/usr/src/
> linux-2.6.18-8.1.14.el5_lustre.1.6.3 --with-linux-obj=/usr/src/
> linux-2.6.18-8.1.14.el5_lustre.1.6.3-obj/x86_64/smp/ I get this  
> error--
>
> checking that modules can be built at all... no
> configure: WARNING: Consult config.log for details.
> configure: WARNING: If you are trying to build with a kernel-source
> rpm, consult build/README.kernel-source
>
> I tried the instructions on the lustre wiki to build against the
> kernel source but to no avail.
>
> Any ideas?
>
> Aaron Knister
> Associate Systems Administrator/Web Designer
> Center for Research on Environment and Water
>
> (301) 595-7001
> aaron at iges.org
>
>
>
> _______________________________________________
> Lustre-discuss mailing list
> Lustre-discuss at clusterfs.com
> https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
Mr Wojciech Turek
Assistant System Manager
University of Cambridge
High Performance Computing service
email: wjt27 at cam.ac.uk
tel. +441223763517



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On Tue, 2007-11-27 at 18:29 +0000, Wojciech Turek wrote:
> Hi,
> 
> 
> Try to follow these steps:
> 
> 
> cd /usr/src/<linux-lustre-kernel-source>/
> make mrproper
> cp /usr/src/<linux-kernel-source-obj>/x86_64/smp/.config .
> #Edit Makefile 
> EXTRAVERSION = -55.0.9.EL_lustre.1.6.3smp
> make menuconfig
> make include/asm
> make include/linux/version.h
> make SUBDIRS=scripts
The real solution is to use the fact that we ship our kernel source
using Suse''s "object dir" format.  That provides fully
configured source
trees for various arches.

Unfortunately, this support is broken until 1.6.5, tracked by bug 13690.
There is a patch in there that fixes it.

Using the --with-linux-obj=... argument to configure prevents the need
to do all of the make goop in the real source tree.

b.