$summary Solution: add... MAKEOPTS="${MAKEOPTS} V=1" ...to the ebuild.
+ 24 Dec 2012; Sergey Popov <pinkbyte@gentoo.org> xine-lib-1.2.1-r1.ebuild, + xine-lib-1.2.2.ebuild, xine-lib-1.2.9999.ebuild: + Make build log verbose, wrt bug #448140. Thanks to Vicente Olivert Riera for + discovering this issue