Re: [Xenomai-core] prepare-kernel options

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

Paul wrote:
> A little background - On Debian installations, a set of tools have been 
> provided to allow kernel packages to be quickly & simply generated. It is 
> something I do quite regularly with the following steps:
>  * Extract kernel sources in /tmp
>  * Apply patches
>  * Copy an existing .config over - Run `make oldconfig`
>  * make-kpkg binary-arch (produces kernel-image and kernel-header packages)
>  * Install/reboot
> 
> It may sound a long winded method, but it does allow me to use the generated 
> packages to install on any number of other machines.
> 
> The problem - prepare-kernel.sh creates symlinks to assorted files in the 
> Xenomai source tree. Not a problem if the same tree exists in the same 
> location on the target machine. As yet, there is no xenomai Debian package, 
> and the build location may not be the same as the install location - This 
> results in a large number of dangling symlinks which thwarts attempts to 
> compile out of tree modules using the kernel-headers package. I suspect the 
> same issues would exist for RPM packages and NFS mounted targets.
> 
> A solution - Instead of creating symlinks, the files need to be copied in to 
> the kernel source tree. Most people will use symlinks as it simplifies the 
> `svn up`/make process and avoids having to run prepare-kernel each time. I 
> propose a trivial patch that retains the original behaviour and provides an 
> option to turn off symlinks (patch attached).

In order to prepare for the Debianization, the options --outpatch,
--filterarch and --filterkvers were already added. That said, I see no
problem with your patch.

-- 
                                                 Gilles Chanteperdrix