automatically put require_active_variants in pre-configure

[Clemens Lang]

Hi,

On Thu, Dec 06, 2012 at 02:25:52PM +0100, Clemens Lang wrote:
> I probably won't be able to do this before the weekend, so feel free
> to do the change yourself if you want. Remember this is an API change
> for the portgroup and needs to go into a new active_variants 1.1 group
> to avoid breaking Portfiles executed from registry during the
> uninstall and/or deactivate phases.

Commited in r100298, modified all ports using require_active_variants in
r100300.

for your convenience:
 https://trac.macports.org/changeset/100298
 https://trac.macports.org/changeset/100300

-- 
Clemens Lang