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Date: Mon, 15 Aug 2011 08:10:31 +0100
From: Ciaran McCreesh <ciaran.mccreesh@googlemail.com>
To: Ulrich Mueller <ulm@gentoo.org>
Cc: gentoo-pms@lists.gentoo.org
Subject: Re: [gentoo-pms] [PATCH] pkg_setup() can rely on packages common to
DEPEND & RDEPEND.
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On Mon, 15 Aug 2011 09:09:04 +0200
Ulrich Mueller <ulm@gentoo.org> wrote:
> >> I'd still suggest that for existing EAPIs we should go with
> >> mgorny's latest patch, simply because "packages common to DEPEND
> >> and RDEPEND (but see below)" is a more accurate description than
> >> "none".
>=20
> > But if we do that, people will claim it's the package mangler's
> > fault if packages common to DEPEND and RDEPEND aren't available.
> > You're asking for something unimplementable to be specified.
>=20
> No, they can't claim that, because we explicitly say that there are
> restrictions in case of circular dependencies.
The problem is, there are nearly always circular dependencies. Any
package that depends upon autotools is part of a hundred-plus-large
circular dependency cycle. So if we're saying packages can count on
RDEPENDs being merged beforehand except when necessary to resolve
cycles, then we need to say how cycles are to be resolved.
--=20
Ciaran McCreesh
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