Gentoo Archives: gentoo-dev

From: Ciaran McCreesh <ciaran.mccreesh@××××××××××.com>
To: "Michał Górny" <mgorny@g.o>
Cc: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] [PATCH eutils] Introduce has_iuse() for IUSE checks.
Date: Tue, 13 Sep 2011 10:51:46
Message-Id: 20110913114633.51f7fdc0@googlemail.com
In Reply to: Re: [gentoo-dev] [PATCH eutils] Introduce has_iuse() for IUSE checks. by "Michał Górny"
On Tue, 13 Sep 2011 12:50:30 +0200
Michał Górny <mgorny@g.o> wrote:
> > 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.
You don't do it by checking IUSE. You do it by having the ebuild define a variable like WANT_MONKEY_SUPPORT. -- Ciaran McCreesh

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