> because some apps (like, for example xine) doesn't like it, when some of their
> dependencies get upgraded with a --deep world (like ffmpeg or transcode),
> while themselves are not recombiled.
>
> xine will not crash - but some video-filters will be gone.
Whoa. Now I know why my mplayer cannot read mpgs anymore. Thank you guys. Anyway, I recompiled it a couple of days ago with a bunch of new use flags, so I hope it will be fixed now.