The right way to depend on a package's extra feature

[Vasil Dimov]

On Fri, Aug 05, 2005 at 09:24:12AM +0200, Stijn Hoop wrote:
>
...
> I.e. I have both devel/svk and devel/subversion installed. Now, I need
> devel/subversion because other software depends on it, so I build it
> with perl bindings by myself. However, devel/svk insists on depending
> on devel/subversion-perl because it wants the perl bindings -> not
> good...

Hmmz, devel/svk should find ${SITE_PERL}/${PERL_ARCH}/SVN/Core.pm
(installed by devel/subversion with perl bindings) and not insist on
depending on devel/subversion-perl...

> 
> I don't see a way out except extending the DEPENDS mechanism with
> optional flags, or at least checking of /var/db/ports/*/options
> (for OPTIONS enabled ports).
> 

extending the DEPENDS mechanism is what I thought also...

looking for /var/db/ports/*/options is not universal, because a lot of
ports have WITH_SOMETHING without defining OPTIONS.
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