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

Calculating dependencies ... done!
Dependency resolution took 0.85 s (backtrack: 1/20).


!!! All ebuilds that could satisfy "app-arch/lha" have been masked.
!!! One of the following masked packages is required to complete your request:
- app-arch/lha-114i_p20250112::gentoo (masked by: lha license(s))
A copy of the 'lha' license is located at '/Volumes/Disk 1/Repository/portage-git/licenses/lha'.


(dependency required by "mail-filter/amavisd-new-2.13.1-r1::gentoo" [ebuild])
(dependency required by "=mail-filter/amavisd-new-2.13.1-r1" [argument])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.