squidy ~ # emerge -C gizmo

 net-im/gizmo
    selected: 1.0.0.18
   protected: none
     omitted: none

>>> 'Selected' packages are slated for removal.
>>> 'Protected' and 'omitted' packages will not be removed.

>>> Waiting 5 seconds before starting...
>>> (Control-C to abort)...
>>> Unmerging in: 5 4 3 2 1
>>> Unmerging net-im/gizmo-1.0.0.18...
No package files given... Grabbing a set.

!!! ERROR: net-im/gizmo-1.0.0.18 failed.
Call stack:
  ebuild.sh, line 1451:   Called source '/var/db/pkg/net-im/gizmo-1.0.0.18/gizmo-1.0.0.18.ebuild'
  gizmo-1.0.0.18.ebuild, line 5:   Called inherit 'debian' 'eutils'
  ebuild.sh, line 1186:   Called die

!!! debian.eclass could not be found by inherit()
!!! If you need support, post the topmost build error, and the call stack if relevant.

!!! FAILED prerm: 1