unmask

С недавних пор

!!! All ebuilds that could satisfy "net-im/skype" have been masked.
!!! One of the following masked packages is required to complete your request:
- net-im/skype-2.1.0.47-r1 (masked by: skype-eula license(s))
A copy of the 'skype-eula' license is located at '/usr/portage/licenses/skype-eula'.

- net-im/skype-2.0.0.72 (masked by: skype-eula license(s))


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

кому лень читать маны делаем одним из 2-х способов: