GNU bug report logs - #41669
Cross-compiled powerpc64-linux bootstrap-tarballs not reproducible

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From: Leo Le Bouter <lle-bout <at> zaclys.net>
To: Efraim Flashner <efraim <at> flashner.co.il>
Cc: 41669 <at> debbugs.gnu.org, Ludovic Courtès <ludo <at> gnu.org>, Chris Marusich <cmmarusich <at> gmail.com>, Maxim Cournoyer <maxim.cournoyer <at> gmail.com>, Vincent Legoll <vincent.legoll <at> gmail.com>
Subject: bug#41669: Cross-compiled powerpc64-linux bootstrap-tarballs not reproducible
Date: Mon, 14 Dec 2020 11:34:35 +0100

On Mon, 2020-12-14 at 12:27 +0200, Efraim Flashner wrote:

> but I wouldn't count on
> maintaining a separate glibc for powerpc64le vs the rest of the
> architectures.

It doesnt need to be maintained, it only needs to work in one commit on
master and then one uses time-machine to rebuild the bootstrap binaries
if they wish to. The make-bootstrap code is already unmaintained for
every architecture anyway since we never rebuild bootstrap binaries
using later GNU Guix revisions ever.

> Do you have a preference big-endian vs little endian?

I'd like both but little endian has the widest eco-system support
especially w.r.t. to Linux drivers. Many Linux drivers have endianness
bugs (lack of endian-safe serialization for DMA..), it's such a plague
that sticking to little endian is just better right now. One common
example being mpt3sas and amdgpu drivers required in some
configurations of the Talos II system.

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