Could you please test if we may add your archs to libcddb? It is a new optional dependency for libcdio which already is ~arch for these systems.
Marked ~alpha.
0.9.4 marked ~amd64
from ppc 07 Apr 2004; David Holm <dholm@gentoo.org> libcddb-0.9.4.ebuild: Added to ~ppc.
libcdio 0.68 is in ~x86 now. Could you please check for your arches with cddb in USE?
libcdio-0.68 and 0.69 marked ~amd64
ppc stable.
should be all set now