desk pb # emerge -uDa world

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

Calculating world dependencies /
!!! All ebuilds that could satisfy "~dev-java/ant-apache-bsf-1.7.0" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-java/ant-apache-bsf-1.7.0 (masked by: ~x86 keyword)

For more information, see MASKED PACKAGES section in the emerge man page or 
refer to the Gentoo Handbook.
(dependency required by "dev-java/ant-tasks-1.7.0" [ebuild])



!!! Problem resolving dependencies for dev-java/ant
!!! Depgraph creation failed.