GNU bug report logs - #19805
Numpy failures

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From: Federico Beffa <beffa <at> ieee.org>
To: Andreas Enge <andreas <at> enge.fr>
Cc: guix-devel <at> gnu.org, 19805 <at> debbugs.gnu.org
Subject: bug#19805: Numpy failures
Date: Mon, 9 Feb 2015 09:30:16 +0100

Andreas Enge <andreas <at> enge.fr> writes:

> python-numpy-bootstrap currently fails its tests on hydra, which entails a
> bunch of other failures. On my own x86_64 machines, the build succeeds,
> however.

We believe the reason being the fact that hydra doesn't handle the flag
'#:substitutable?' properly. As a result we have the following
situation:

1. hydra builds a version of ATLAS optimized for its CPU locally.

2. 'python-numpy-bootstrap' and co., on some architectures, probably get
an incompatible version of ATLAS and therefore fail to pass some tests.

You can check in the build log of 'python-numpy-bootstrap' that ATLAS,
despite the flas, is substituted (no local build on the slave).

At some point we should fix the support for '#:substitutable?' on hydra
(or the upcoming 'guix publish').

Regards,
Fede

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