Deltarpm xz problem with PPC generated rpms?

[Bill Nottingham]

Josh Boyer (jwboyer at gmail.com) said: 
> Simple solution:  Don't build the noarch RPMs on ppc.
> Why?: Because F12 is the last release that will have ppc be a primary arch
> and it is fairly arguable that you want to optimize for the future case going
> forward anyway.

I'm not sure how 'simple' that is in the koji configuration.

Bill