3.9.9 is EAPI 4
Also, 3.9.9 is using built_with_use.
Alternatively, we can treeclean it. Outdated, last touched by maintainer in Jul 2015, no reply on stablereq for this version, current stable suffers severe QA issues.
it looks like newer version is fixed, hence, I would simply stabilize the newer one
Stable on amd64.
x86 stable
Dropped ppc keywords