astra jono # emerge -a eclipse-cdt

These are the packages that I would merge, in order:

Calculating dependencies ...done!
[blocks B     ] <dev-java/ant-tasks-1.6.5 (is blocking dev-java/ant-core-1.6.5-r2)
[ebuild  N    ] dev-java/ant-core-1.6.5-r2
[ebuild  N    ] dev-java/log4j-1.2.12
[ebuild  N    ] dev-java/junit-3.8.1-r1
[ebuild  N    ] dev-java/avalon-logkit-1.2
[ebuild  N    ] dev-java/commons-logging-1.0.4-r1
[ebuild  N    ] dev-java/commons-collections-3.1
[ebuild  N    ] dev-java/commons-beanutils-1.6.1-r2
[ebuild  N    ] dev-java/commons-net-1.2.2-r1
[ebuild  N    ] dev-java/jzlib-1.0.5
[ebuild  N    ] dev-java/gnu-crypto-2.0.1
[ebuild  N    ] dev-java/jsch-0.1.18
[ebuild  N    ] dev-java/bcel-5.1-r2
[ebuild  N    ] dev-java/servletapi-2.3-r2
[ebuild  N    ] dev-java/bsf-2.3.0-r2
[ebuild  N    ] dev-java/javacup-0.10k
[ebuild  N    ] dev-java/xalan-2.7.0-r1
[ebuild  N    ] dev-java/antlr-2.7.3
[ebuild  N    ] dev-java/ant-core-1.6.2-r5
[ebuild  N    ] dev-java/ant-tasks-1.6.2-r9
[ebuild  N    ] dev-java/ant-1.6.2-r6
[ebuild  N    ] dev-util/eclipse-sdk-3.0.0-r3
[ebuild  N    ] dev-util/eclipse-cdt-2.0-r2

!!! Error: The above package list contains packages which cannot be installed
!!!        on the same system.

astra jono # emerge -C ant-tasks

--- Couldn't find ant-tasks to unmerge.

>>> unmerge: No packages selected for removal.

astra jono #