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To: gentoo-dev@g.o
From: Michał Górny <mgorny@g.o>
Subject: Re: [PATCH eutils] Introduce has_iuse() for IUSE checks.
Date: Tue, 13 Sep 2011 12:50:30 +0200
On Tue, 13 Sep 2011 11:32:40 +0100
Ciaran McCreesh <ciaran.mccreesh@...> wrote:

> On Tue, 13 Sep 2011 12:21:31 +0200
> Michał Górny <mgorny@g.o> wrote:
> > Such checks are used at least in autotools-utils & kde* eclasses,
> > and are done wrong there. Thus, I've created a little reusable
> > snippet suitable for eutils.
> 
> Are you sure this is defined behaviour? IUSE is a fancy merged
> variable for eclasses, and I don't think we guarantee that the value
> visible to the ebuild at any particular point is the generated value
> used by the package mangler.

True. I guess there's no way to tell whether a particular IUSE is
defined in the ebuild then? Hrm, I guess we'll need to break API compat
(and a number of ebuilds then) to get rid of this.

-- 
Best regards,
Michał Górny
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Re: [PATCH eutils] Introduce has_iuse() for IUSE checks.
-- Ciaran McCreesh
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[PATCH eutils] Introduce has_iuse() for IUSE checks.
-- Michał Górny
Re: [PATCH eutils] Introduce has_iuse() for IUSE checks.
-- Ciaran McCreesh
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Updated Jun 29, 2012

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