gentoo portage # emerge -tav xfce4

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

Calculating dependencies... done!
[ebuild   R   ] xfce-base/xfce4-4.2.3.2  0 kB

Total size of downloads: 0 kB

Would you like to merge these packages? [Yes/No]

NEW POST


Calculating dependencies
!!! All ebuilds that could satisfy "=xfce-base/xfce4-9999" have been masked.
!!! One of the following masked packages is required to complete your request:
- xfce-base/xfce4-9999 (masked by: ~x86 keyword)
## Daniel Ostrow <dostrow@gentoo.org> (20 Apr 2006)
## XFCE 4.4 beta1


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

gentoo portage #