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

Calculating dependencies ... done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! All ebuilds that could satisfy "=mail-filter/dcc-2.3.169" have been masked.
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- mail-filter/dcc-2.3.169::gentoo (masked by: DCC license(s))
A copy of the 'DCC' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/DCC'.


For more information, see the MASKED PACKAGES section in the emerge
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