# emerge --update --newuse --deep world
Calculating world dependencies |
!!! All ebuilds that could satisfy ">=gnome-base/control-center-2.20.1" have been masked.
!!! One of the following masked packages is required to complete your request:
- gnome-base/control-center-2.20.3 (masked by: required EAPI 1, supported EAPI 0)
- gnome-base/control-center-2.20.1 (masked by: required EAPI 1, supported EAPI 0)
- gnome-base/control-center-2.20.1-r1 (masked by: required EAPI 1, supported EAPI 0)

For more information, see MASKED PACKAGES section in the emerge man page or
refer to the Gentoo Handbook.
(dependency required by "gnome-base/gnome-2.20.3" [ebuild])



!!! Problem resolving dependencies for gnome-base/gnome
!!! Depgraph creation failed.