On Sat, 23 Apr 2011 16:47:37 +0200
Chí-Thanh Christopher Nguyễn <chithanh@gentoo.org> wrote:
> What I propose solves the problems that old-style virtuals introduce
> in dependency resolution.

Not really, because it means we'd have to keep the nasty old code around
forever. If we just do away with the things entirely instead then we
can pretend they never existed (like we did for ? : dependencies).

> What other problems do they cause?

DEPEND=">=virtual/blah-2"

DEPEND="virtual/blah[foo]"

DEPEND="!virtual/that-i-provide"

PROVIDE="not-a/virtual"

best_version virtual/blah

The full VDB load required to figure out whether or not a virtual is
installed.

-- 
Ciaran McCreesh