This bug tracks the implementation of the EAPI 3 feature mentioned in the summary.
This is fixed in svn r14624. Thanks to Jonathan Callen <abcd@g.o> for the initial patch.
(In reply to comment #1) > This is fixed in svn r14624. Thanks to Jonathan Callen <abcd@g.o> for the > initial patch. Via gitweb: http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=55cd5a52e0101676a46d2e8fbff4eff11ae2b73c