With commit 3565ad579e, meida-tv/xbmc-9999 fails during configure without dev-libs/yajl. checking for main in -lyajl... no configure: error: Could not find a required library. Please see the README for your platform.
*** Bug 370375 has been marked as a duplicate of this bug. ***
http://sources.gentoo.org/media-tv/xbmc/xbmc-9999.ebuild?r1=1.83&r2=1.84