[gentoo-dev] Re: IUSE variable clarification

[Wilbert Berendsen <wilbert@oswf.org>]

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On Thursday 09 January 2003 17:44, Burton Samograd wrote:
> It looks to me like I got two different responses from different gentoo
> (...)
> If the ebuild I'm writing has a depend line:
>
> DEPEND="ncurses      # required
> 		ssl? libssl" # optional
>
> according to the first response IUSE would be
>
> IUSE="ncurses ssl"
>
> and for the second it would be:
>
> IUSE="ssl"
>
> Could someone please clarify?  It seems to me that the second is correct
> since the first can already be inferred from the depend line, but if the
> compile on USE change feature is only using the IUSE variable then the
> first would be correct.

The second one is correct I think. I think of IUSE as Interactive USE. 
Interactive programs (eg Kportage) can read IUSE and immediately present the 
user the applicable flags before starting an emerge.

So IUSE contains only the used USE settings, not the dependencies.

bye,
Wilbert

- -- 
Wilbert Berendsen (http://www.xs4all.nl/~wbsoft/)
To understand recursion, one must first understand recursion.
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