emerge: there are no ebuilds built with USE flags to satisfy ">=x11-wm/compiz-0.8.8[gconf?]".
!!! One of the following packages is required to complete your request:

• x11-wm/compiz-0.9.11::gentoo (Missing IUSE: gconf)
  (dependency required by "x11-plugins/compiz-plugins-extra-0.8.8" [ebuild])
  (dependency required by "x11-wm/compiz-fusion-0.8.8" [ebuild])
  (dependency required by "compiz-fusion" [argument])