ratsbox masterrat # emerge --pretend --depclean

*** WARNING *** : DEPCLEAN CAN  SERIOUSLY  IMPAIR YOUR SYSTEM. USE CAUTION.
*** WARNING *** : (Cancel: CONTROL-C) -- ALWAYS VERIFY ALL PACKAGES IN THE
*** WARNING *** : CANDIDATE LIST FOR  SANITY  BEFORE  ALLOWING DEPCLEAN TO
*** WARNING *** : UNMERGE ANY PACKAGES.
*** WARNING *** :
*** WARNING *** : USE FLAGS MAY HAVE AN EXTREME EFFECT ON THE OUTPUT.
*** WARNING *** : SOME LIBRARIES MAY BE USED BY PACKAGES BUT ARE NOT
*** WARNING *** : CONSIDERED TO BE A DEPEND DUE TO USE FLAG SETTINGS.
*** WARNING *** : emerge --update --deep --newuse world TO VERIFY
*** WARNING *** : SANITY IN THIS REGARD.
*** WARNING *** :
*** WARNING *** : Packages  in the list  that are  desired  may be added
*** WARNING *** : directly to the world file to cause them to be ignored
*** WARNING *** : by depclean and maintained in the future. BREAKAGES DUE
*** WARNING *** : TO UNMERGING AN  ==IN-USE LIBRARY==  MAY BE REPAIRED BY
*** WARNING *** : MERGING  *** THE PACKAGE THAT COMPLAINS ***  ABOUT THE
*** WARNING *** : MISSING LIBRARY.

Calculating depclean dependencies \
!!! All ebuilds that could satisfy ">=dev-java/java-config-1.2.11-r1" have been 
masked.
!!! One of the following masked packages is required to complete your request:
- dev-java/java-config-1.2.11-r1 (masked by: ~x86 keyword)

For more information, see MASKED PACKAGES section in the emerge man page or 
section 2.2 "Software Availability" in the Gentoo Handbook.
!!!    (dependency required by "app-office/openoffice-2.0.0" [ebuild])


!!! Problem with ebuild app-office/openoffice-2.0.0
!!! Possibly a DEPEND/*DEPEND problem.


!!! Failed to create deptree.
ratsbox masterrat #