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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: various packaging issues
Date: Thu, 20 Jul 2017 16:37:16 +0200
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To: Dave Love <fx@gnu.org>
Cc: help-guix@gnu.org

Dave Love <fx@gnu.org> skribis:

> ludo@gnu.org (Ludovic Court=C3=A8s) writes:

[...]

>> Dave Love <fx@gnu.org> skribis:
>>
>>> * I should specify a disjunction of licences like "BSD or GPLv2" rather
>>>   than the conjunction, which seems to be represented as a list (though
>>>   the doc doesn't say what a list represents).  I.e. in Fedora-ish
>>>   rpm-speak, I have A or B, rather than C and D.  Is that possible?
>>
>> We cannot specify it currently, so what we do is just provide a list of
>> license objects as the =E2=80=98license=E2=80=99 field and explain the m=
eaning of the
>> list in a comment.
>>
>> Clearly this can be improved, though we have to pay attention of
>> overengineering in this domain.
>
> It seems to me that you need to be able to treat licences similarly to
> Fedora and Debian.  They're not obviously over-engineered, and the
> treatment of licensing must be constrained by legalities, which may or
> may not allow simple engineering :-/.

Sure, agreed.

>> For Python 2 vs. 3, there=E2=80=99s the =E2=80=98package-with-python2=E2=
=80=99 procedure, which
>> you can see in (gnu packages python).
>
> Yes, but that seems to deal with packages just for python modules,

Right, it stops at the first non-python-build-system dependency.  That
said, =E2=80=98package-mapping=E2=80=99 allows you to do arbitrary graph re=
writing, so
that might be what you=E2=80=99re looking for.

Ludo=E2=80=99.