Tomcat

Пытался установить Tomcat получил

!!! All ebuilds that could satisfy “~dev-java/ant-core-1.8.1” have been masked.
!!! One of the following masked packages is required to complete your request:

  • dev-java/ant-core-1.8.1 (masked by: EAPI 3)

The current version of portage supports EAPI ‘2’. You must upgrade to a
newer version of portage before EAPI masked packages can be installed.

For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.
(dependency required by “dev-java/ant-trax-1.8.1” [ebuild])
(dependency required by “www-servers/tomcat-6.0.26” [ebuild])
(dependency required by “tomcat” [argument])

Исходя из того что EAPI ‘2’ подумал надо обновиться
Сделал layman -S
Потом eix-sync
Потом попробывал emerge calculate-server
Получил

!!! All ebuilds that could satisfy “>=net-dns/bind-9.6.1_p1[sdb-ldap]” have been masked.
!!! One of the following masked packages is required to complete your request:

  • net-dns/bind-9.7.2_p2-r9 (masked by: EAPI 3)

  • net-dns/bind-9.7.2_p2-r1 (masked by: EAPI 3)

  • net-dns/bind-9.7.1_p2-r2 (masked by: EAPI 3)

  • net-dns/bind-9.7.1_p2 (masked by: EAPI 3)

  • net-dns/bind-9.6.2_p2-r2 (masked by: EAPI 3)

  • net-dns/bind-9.6.2_p2-r1 (masked by: EAPI 3)

  • net-dns/bind-9.6.2_p2 (masked by: EAPI 3)

The current version of portage supports EAPI ‘2’. You must upgrade to a
newer version of portage before EAPI masked packages can be installed.

For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.
(dependency required by “sys-apps/calculate-server-2.1.12-r6” [ebuild])
(dependency required by “calculate-server” [argument])

Конечно есть идея собрать как emerge -O claculate-server но боюсь по причине того что сервер то DNS !!
Я не понял просто повлияетли emerge -O claculate-server на bind (даже если потом надо будет его обновить).
Посоветуйте как быть ???