Please add the following line to ebuilds, in order to restrict binary distribution with USE=-bindist: RESTRICT="!bindist? ( bindist )"
+ 27 Feb 2015; Justin Lecher <jlec@gentoo.org> -qtiplot-0.9.8.9-r1.ebuild, + qtiplot-0.9.8.9-r2.ebuild, qtiplot-0.9.8.9-r3.ebuild: + Restrict binary distribution with USE=-bindist, #541454 +