Rhythmbox 3.0.2 and 3.0.3 also don't compile on tdb-1.3.0 downgrading tdb to 1.2.13 solved this. Please add a blocker to rhythmbox ebuild Reproducible: Always
Created attachment 377842 [details] build.log
*** Bug 511974 has been marked as a duplicate of this bug. ***
It's a tdb problem: https://bugzilla.samba.org/show_bug.cgi?id=10625
*** Bug 512166 has been marked as a duplicate of this bug. ***
Fixed in portage with 1.3.0-r1