From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#19805: Numpy failures
Date: Tue, 10 Feb 2015 15:41:20 +0100
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To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel@gnu.org, 19805@debbugs.gnu.org, Federico Beffa <beffa@ieee.org>

Mark H Weaver <mhw@netris.org> skribis:

> ludo@gnu.org (Ludovic Court=C3=A8s) writes:
>
>> Federico Beffa <beffa@ieee.org> skribis:
>>
>>> At some point we should fix the support for '#:substitutable?' on hydra
>>
>> That probably means that #:substitutable? should be propagated=E2=80=93i=
.e.,
>> that anything depending on ATLAS should not be substituted.
>
> As I just wrote in the "texlive failure" thread, setting
> #:substitutable? #f might make sense for texlive.  However, in that case
> we certainly would not want to propagate that setting.
>
> So, instead of propagating it, how about simply arranging to not send
> such packages to the build slaves, instead forcing them to build it
> locally on their own?

I think there are two properties of interest: =E2=80=9Csubstitutability=E2=
=80=9D, and
=E2=80=9Coffloadability=E2=80=9D.

What do we want for ATLAS, for NumPy, and for TeX Live?

However, note that we can=E2=80=99t currently distinguish between these two
properties: <http://bugs.gnu.org/18747>.

Thanks,
Ludo=E2=80=99.