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 "=dev-libs/libassuan-3.0.1-r1" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-libs/libassuan-3.0.1-r1::gentoo (masked by: package.mask)
/Volumes/Disk 1/Repository/portage-git/profiles/package.mask:
# Sam James <sam@gentoo.org> (2024-06-25)
# The symbol versioning "fix" breaks anything built with 3.0.0.


For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.