Hello Sven,
On 05-Aug-16 17:10, Sven Luther wrote:
> On Tue, Aug 16, 2005 at 01:33:02PM +0200, Andreas Jochens wrote:
> I mean, what are the advantages of your solution over the biarch way ? Right
> now i see it is duplicated work and incures a performance penalty, which are
> not counterbalanced by anything positive.
I tried to build most packages on ppc64 and fixed many ppc64 related
FTBFS errors (e.g. outdated config.{guess,sub} files, endian issues,
64-bit issues, missing #ifdef __powerpc64__ etc.).
Without those fixes, it would not be possible to compile those packages
for ppc64, regardless if it is in a biarch setup in 64-bit mode or in a
native ppc64 setup. I would consider this to be a positive effect also
for the biarch approach.
Besides, I do not really know how the biarch approach shall work.
To really support ppc64 applications you will need to have a 64-bit
variant for almost every library in the archive. This means that you
would have to change almost every library package to support biarch.
The amd64 people thought that they could do this but in the end
this biarch approach failed.
I think it will be difficult to change almost every library package
in the archive and introduce compilicated packaging issues for the
extra 64-bit builds. It is much easier to use a native ppc64 setup
and just build the packages as they are. Such an archive already
exists on alioth with 95% of the packages from 'unstable' compiled.
There is a "multiarch" effort to make it possible to install packages
from different architectures on the same system. With this "multiarch"
setup it would be possible to install the packages from the native
ppc64 archive on a powerpc installation if it uses the new 64-bit
kernel.
Anyway, the patch to support the native ppc64 kernel is very simple.
It adds only 8 lines and two symlinks to the linux-2.6 package. Please
make things a little easier for me and for the native ppc64 archive by
applying the patch.
> > Please also consider to set CONFIG_THERM_PM72=y in the config file.
> > Otherwise PowerMac G5 machines will become very noisy when using the
> > ppc64 kernel.
>
> Ok, 2.6.12-4 went into unstable without that, but we will fix this in -5. I
Thanks!
Regards
Andreas Jochens
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