it seems that a dependency in gimp is wrong: gimp-2.2.12.ebuild: RDEPEND=> doc? ( app-doc/gimp-help ) so if you have doc use flag you need gimp-help But in the gimp-help ebuild: RDEPEND="!<media-gfx/gimp-2.2.12"
*** This bug has been marked as a duplicate of bug 138224 ***