It is suggested that the ebuild be modified to strip the -fPIC flags for this ebuild package only, so that people who want to include -fPIC in their CCFLAGS for prelinking can do so and do an emerge system with minimal disruption.
I've been fixing these sorts of things as of late,so I'll take care of this in just a moment
the 5.3-r1 version doesn't suffer from this, incidentally.