Due to recent enhancements of binary packages support it is required to set the lowest EAPI to 4. Please migrate to higher EAPI or drop versions with old EAPIs until 30 September 2013.
commit accfd8c06883f2568d410e79317a3f9b23840e30 Author: Justin Lecher <jlec@gentoo.org> Date: Wed Nov 11 10:27:38 2015 +0100 sci-physics/herwig: Drop old fixes: Gentoo-Bug: https://bugs.gentoo.org/show_bug.cgi?id=478632 Package-Manager: portage-2.2.23 Signed-off-by: Justin Lecher <jlec@gentoo.org> https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=accfd8c06883f2568d410e79317a3f9b23840e30