安装xorg-server时候不让安装说是mask？

da0ge

localhost ~ # emerge -avt xorg-server

* IMPORTANT: 3 news items need reading for repository 'gentoo'.
* Use eselect news to read news items.


These are the packages that would be merged, in reverse order:

Calculating dependencies... done!

!!! All ebuilds that could satisfy ">=x11-proto/fixesproto-4.1" have been masked.
!!! One of the following masked packages is required to complete your request:
- x11-proto/fixesproto-5.0 (masked by: EAPI 4)

The current version of portage supports EAPI '3'. You must upgrade to a
newer version of portage before EAPI masked packages can be installed.

(dependency required by "x11-base/xorg-server-1.9.5" [ebuild])
(dependency required by "xorg-server" [argument])

For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.


* IMPORTANT: 3 news items need reading for repository 'gentoo'.
* Use eselect news to read news items.

种过一豆

The current version of portage supports EAPI '3'. You must upgrade to a
newer version of portage before EAPI masked packages can be installed.

emerge --sync
emerge portage