Mailinglist Archive: opensuse-packaging (49 mails)

[Michael Matz <matz@xxxxxxx>]

Hi,

On Mon, 25 Jun 2007, Peter Czanik wrote:

> I looked at http://en.opensuse.org/Icecream and compiling on machines of
> the same architecture works fine. I have now a small cluster of embedded
> PPC machines :-)
>
> Of course, the ultimate goal would be to use the X86 monster to compile 
> PPC packages.

A noble goal :-)

> My problem is, that it's not clear from the above mentioned 
> documentation, that which cross-xxx-icecream packages should I install 
> on X86 and PPC and how I should parameter ICECC_VERSION.

You start the compiles on the ppc hosts, and you need tarballs containing 
a cross compiler which runs on i386 and produces ppc code.  Stuff running 
on an architecture is placed in the install tree of that architecture.  
Hence you need the 
  cross-ppc-gcc-icecream-backend-*.i586.rpm
from the i586 tree.

This rpm basically only contains a tarball which you need to have on the 
ppc machine starting the builds.  As it is for the i586 architecture you 
can't install it on those ppc hosts easily, so I would simply just unpack 
it by hand or install it on a i586 machine, and copy over the tarball 
therein to the ppc machine.

Anyway, somewhen you'll have the tarball 
cross-ppc-gcc-icecream-backend_i386.tar.gz on your ppc machine somewhere 
(in addition to the tarball of your native compiler).  Then you'll want to 
use something like this environment variable:

ICECC_VERSION=native.tar.gz,i386:/path/to/cross-ppc-gcc-icecream-backend_i386.tar.gz

I.e. ICECC_VERSION really is a set of entries separated by ",", where all 
cross compile entries are prefixed with the host architecture of the cross 
compiler plus ":".


Ciao,
Micha.
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