Comment # 37 on bug 4363 from Dominik 'Rathann' Mierzejewski

(In reply to Tom "spot" Callaway from comment #36)
> The alternatives routines look sane to me. Untested though.
> 
> You'd need to apply the same logic to the rpmfusion addon, obviously.
> 
> My brain keeps trying to figure out a clean way to have one spec spit out
> both packages (triggered by the %freeworld conditional), but when I try to
> do it, it gets messy, so I'm thinking thats a bad plan.

That should be possible. You can simply conditionalize (on %if 0%{freeworld})
all %files sections and put %files media-libs-freeworld in %else.