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On Tue, 13 Sep 2011 12:50:30 +0200
Michał Górny <firstname.lastname@example.org> 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.