Please stabilize dev-libs/libproccpuinfo-0.0.7. Older versions contain optional dependency on =net-misc/neon-0.26* and don't work with =net-misc/neon-0.28*. dev-libs/libproccpuinfo-0.0.7 doesn't contain any dependency on net-misc/neon.
Apparently broken stable tree, no maintainer.
amd64 stable
x86 stable, as this version does not depend on neon.
alpha stable, closing
Old version removed...