[Nix-dev] Merging x-updates

[Jason O'Conal]

Excerpts from Vladimír Čunát's message of 2013-09-08 22:56:03 +1000:
> I suggest we merge x-updates. If noone objects until, say, tuesday, I 
> will do it.

Yes, please. This will fix a whole stack of builds in Darwin (due to Qt
now bulding).

> Originally I thought we might stabilize stdenv-updates and merge at 
> once, but that moment unfortunately seems still too far.

What's preventing stdenv-updates from being merged in?