Created attachment 385996 [details, diff] patch for 0.1.1 and live ebuild Current ebuilds are missing [${MULTILIB_USEDEP}], attached patch works fine for me with USE="abi_x86_32 abi_x86_64". P.S. Please also add USE bdplus to media-libs/libbluray.
+ 13 Mar 2015; Ben de Groot <yngwin@gentoo.org> -libbdplus-0.1.1.ebuild, + libbdplus-0.1.2.ebuild, libbdplus-9999.ebuild: + Fix multilib support (bug #524396). Remove old.