net-libs/serf-0.3.0 was released on 2009-01-26.
Created attachment 183486 [details, diff] serf-0.3.0.ebuild.patch
Created attachment 183488 [details, diff] 0.3.0-disable-unneeded-linking.patch
Subversion 1.6 optionally needs Serf >=0.3.0, so I fixed this bug.