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watermelon mwheeler #  emerge -pv gnome  

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

Calculating dependencies /[nomerge      ] gnome-base/gnome-2.22.2  USE="cdr cups dvdr esd mono -accessibility -ldap" 
[nomerge      ]  mail-client/evolution-2.22.2-r2  USE="crypt dbus hal ipv6 mono networkmanager pda spell ssl -debug -kerberos -krb4 -ldap -nntp -profile" 
[nomerge      ]   net-misc/networkmanager-0.6.6  USE="crypt gnome -debug -doc" 
[ebuild  N    ]    gnome-extra/nm-applet-0.6.6  USE="libnotify -debug -doc" 
[ebuild  N    ]     net-misc/networkmanager-0.6.6  USE="crypt gnome -debug -doc" 
[ebuild  N    ]      gnome-base/gnome-panel-2.22.2  USE="eds networkmanager -debug -doc" 
!!! Error: circular dependencies:

('ebuild', '/', 'gnome-base/gnome-panel-2.22.2', 'merge') depends on
   ('ebuild', '/', 'net-misc/networkmanager-0.6.6', 'merge') (hard)
('ebuild', '/', 'net-misc/networkmanager-0.6.6', 'merge') depends on
   ('ebuild', '/', 'gnome-base/gnome-panel-2.22.2', 'merge') (hard)
   ('ebuild', '/', 'gnome-extra/nm-applet-0.6.6', 'merge') (medium-soft)
('ebuild', '/', 'gnome-extra/nm-applet-0.6.6', 'merge') depends on
   ('ebuild', '/', 'gnome-base/gnome-panel-2.22.2', 'merge') (hard)
   ('ebuild', '/', 'net-misc/networkmanager-0.6.6', 'merge') (hard)

!!! Note that circular dependencies can often be avoided by temporarily
!!! disabling USE flags that trigger optional dependencies.