Created attachment 403992 [details] emerge --info /usr/lib64/tkConfig.sh:TK_BUILD_LIB_SPEC='-abi_x86_64.amd64 -ltk8.6' this causes packages that use that var to fail (like insight)
Created attachment 403994 [details] build log
+*tk-8.6.4-r1 (26 May 2015) + + 26 May 2015; Justin Lecher <jlec@gentoo.org> +tk-8.6.4-r1.ebuild, + -tk-8.5.13-r1.ebuild, -tk-8.5.15.ebuild, -tk-8.6.3.ebuild, -tk-8.6.4.ebuild: + Fix sed magic, bug #550448; drop old +