Created attachment 303869 [details] cegui-0.7.6-r1.ebuild dev-games/cegui-0.7.6 does not allow ogre-renderer, certainly because ogre-1.6.5 is still the 'latest' version in the tree we need to bump that one #406473 and add the 'ogre' useflag to cegui-0.7.6 or cegui-0.7.6-r1 again
Comment on attachment 303869 [details] cegui-0.7.6-r1.ebuild post diffs, not entire files
Created attachment 304163 [details, diff] cegui-0.7.6.diff
should be fixed in the tree now. please file a new bug if it doesn't work.