The bigloo-3.0a_p2 ebuild has issues with multilib when installing on amd64, as the libraries always go to /usr/lib.
Created attachment 122605 [details, diff] bigloo-3.0a_p2.ebuild.libdir.patch This patch adds support for multilib in the bigloo ebuild from portage.
fixed in both 2.9 and 3.0, no revbump, thanks Jose.