emerge gnome问题搞不懂啊求讲解

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Calculating dependencies... done!
!!! The ebuild selected to satisfy "x11-libs/gtk+:3" has unmet requirements.- x11-libs/gtk+-3.4.4::gentoo USE="cups introspection -X (-aqua) -colord -debug -examples (-packagekit) -test -vim-syntax (-wayland) -xinerama"
The following REQUIRED_USE flag constraints are unsatisfied: any-of ( aqua wayland X )
The above constraints are a subset of the following complete expression: any-of ( aqua wayland X ) xinerama? ( X )
(dependency required by "x11-misc/xdg-user-dirs-gtk-0.9" [ebuild])(dependency required by "gnome-base/gnome-session-2.32.1-r3" [ebuild])(dependency required by "gnome-base/gnome-2.32.1-r2" [ebuild])(dependency required by "gnome" [argument])

make.conf中的定义
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localhost ~ # cat /etc/make.confMAKEOPTS="-j2"
GENTOO_MIRRORS="http://mirrors.sohu.com/gentoo/"
SYNC="rsync://rsync.cn.gentoo.org/gentoo-portage"
INPUT_DEVICES="keyboard mouse"VIDEO_CARDS="radeon radeonhd"
USE="-kde -qt4 X gnome dbus gtk hal"
FEATURES="ccache"CCACHE_DIR="/var/tmp/ccache"CCACHE_SIZE="2G"