Variant name darwin_9-1 is not valid

[Ryan Schmidt]

Begin forwarded message:

> From: noreply at macports.org
> Date: August 20, 2009 14:45:19 CDT
> To: ryandesign at macports.org,
> Subject: [55880] akonadi Lint Report
>
> Change: http://trac.macports.org/changeset/55880
> Portfile: akonadi
>
> Error: Variant name darwin_9-1 is not valid; use [A-Za-z0-9_]+ only

akonadi uses the kde4 portgroup.
The kde4 portgroup defines a platform darwin 9 variant.
So does akonadi.
They do not play well with one another.
Apparently one of them turns into the invalidly-named darwin_9-1.
Do we think this is a base bug / missing feature?