$ paludis -pi1 compiz-fusion --dl-reinstall-scm always
Building target list... 
Building dependency list...

These packages will be installed:

* x11-wm/compiz::desktop-effects [R 9999]
    Reasons: dev-python/compizconfig-python-9999:0::desktop-effects, x11-libs/compizconfig-backend-gconf-9999:0::desktop-effects, 6 more
    dbus -fuse gnome gtk -kde -kde4 svg xcb
* x11-libs/compiz-bcop::desktop-effects [R 9999]
    Reasons: x11-plugins/compiz-fusion-plugins-extra-9999:0::desktop-effects, x11-plugins/compiz-fusion-plugins-main-9999:0::desktop-effects, 1 more
* x11-plugins/compiz-fusion-plugins-main::desktop-effects [R 9999]
    Reasons: x11-plugins/compiz-fusion-plugins-extra-9999:0::desktop-effects, x11-wm/compiz-fusion-9999:0::desktop-effects
    gnome
* x11-plugins/compiz-fusion-plugins-extra::desktop-effects [R 9999]
    Reasons: x11-wm/compiz-fusion-9999:0::desktop-effects
    gnome
* x11-plugins/compiz-fusion-plugins-unsupported::desktop-effects [R 9999]
    Reasons: x11-wm/compiz-fusion-9999:0::desktop-effects
* x11-wm/emerald::desktop-effects [R 9999]
    Reasons: x11-themes/emerald-themes-9999:0::desktop-effects, x11-wm/compiz-fusion-9999:0::desktop-effects
* x11-themes/emerald-themes::desktop-effects [R 9999]
    Reasons: x11-wm/emerald-9999:0::desktop-effects
* x11-libs/libcompizconfig::desktop-effects [R 9999]
    Reasons: dev-python/compizconfig-python-9999:0::desktop-effects, x11-libs/compizconfig-backend-gconf-9999:0::desktop-effects
* dev-python/compizconfig-python::desktop-effects [R 9999]
    Reasons: x11-apps/ccsm-9999:0::desktop-effects
* x11-apps/ccsm::desktop-effects [R 9999]
    Reasons: x11-wm/compiz-fusion-9999:0::desktop-effects
* x11-libs/compizconfig-backend-gconf::desktop-effects [R 9999]
    Reasons: x11-wm/compiz-fusion-9999:0::desktop-effects
* x11-wm/compiz-fusion::desktop-effects [R 9999] <target>
    gnome -kde unsupported

Total: 12 packages (12 rebuilds)