let's say I got DEPEND="png? ( >=media-gfx/xv-3.10a-r2 )" 1) How could I be sure tha media-gfx/xv has been compiled with USE=png ? 2 ) And if it was compiled with USE="-png" portage should force a re-emerge with USE="png" thanks
1.) check the USE file in the db /var/db/pkg/ 2.) yes. It should. (Search for other bugs)