apache-2.eclass defines EAPI=2 which isn't allowed in an eclass. Please move the EAPI assignment to the respective ebuilds. Documentation reference: <http://devmanual.gentoo.org/ebuild-writing/eapi/#usage-of-eapis>
+ 05 Mar 2012; Patrick Lauer <patrick@gentoo.org> apache-2.eclass: + Don't set eapi in eclass, #405911 Only inheriting ebuilds (www-servers/apache) fixed too.