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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: 01/01: gnu: Add perl-inline-c.
Date: Wed, 04 Apr 2018 10:37:05 +0200
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In-Reply-To: <87sh8cj8c9.fsf@elephly.net> (Ricardo Wurmus's message of "Tue,
	03 Apr 2018 23:20:06 +0200")
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To: Ricardo Wurmus <rekado@elephly.net>
Cc: guix-devel@gnu.org, Nils Gillmann <ng0@n0.is>

Ricardo Wurmus <rekado@elephly.net> skribis:

> Nils Gillmann <ng0@n0.is> writes:

[...]

>> Can you tell me why it is safer to say perl-license instead of package-l=
icense perl?
>
> Following Ludo=E2=80=99s reference to =E2=80=9C(guix licenses)=E2=80=9D w=
e can see this comment:
>
>   ;; The license of Perl, GPLv1+ or Artistic (we ignore the latter here).
>   ;; We define this alias to avoid circular dependencies introduced by th=
e use
>   ;; of the '(package-license perl)' idiom.

Exactly.  The problem arose when we started writing (package-license
perl) in modules other than perl.scm but that were in a cycle with
perl.scm.

Ludo=E2=80=99.