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

Calculating dependencies ... done!
Dependency resolution took 0.84 s (backtrack: 1/20).


!!! All ebuilds that could satisfy ">=dev-perl/PDL-2.94.0" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-perl/PDL-2.100.0-r1::gentoo (masked by: || ( ) PerlDL license(s))
A copy of the 'PerlDL' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/PerlDL'.


(dependency required by "dev-perl/PDL-IO-GD-2.103.0::gentoo" [ebuild])
(dependency required by "=dev-perl/PDL-IO-GD-2.103.0" [argument])
For more information, see the MASKED PACKAGES section in the emerge
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