Udev 171 splits out the extras use flag into separate use flags. As a result, the ebuilds for this package need the following changes: sys-fs/udev[extras] needs to become: || ( >=sys-fs/udev-171[useflag] >= sys-fs/udev145[extras] ) "useflag" in this example should be replaced with whatever the use flag is for udev-171 that your package needs. This should not require a revbump since we are just modifying use flags.
Seems to be flag gudev only. I dared touching this myself. + 09 Jun 2011; Sebastian Pipping <sping@gentoo.org> rhythmbox-0.12.8-r1.ebuild, + rhythmbox-0.13.3.ebuild: + Add >=sys-fs/udev-171[gudev] as an alternative dependency to + >=sys-fs/udev-145[extras] (bug #370379) + Closing, please re-open as needed.