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-lang/tuprolog-3.2.0-r3" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-lang/tuprolog-3.2.0-r3::gentoo (masked by: package.mask)
/Volumes/Disk 1/Repository/portage-git/profiles/package.mask:
# Volkmar W. Pogatzki <gentoo@pogatzki.net> (2026-10-08)
# Blocks removal of vulnerable old slot of dev-java/commons-lang:3.6
# Nothing depends on it.
# HOMEPAGE is unresponsive.
# SRC_URI is hosted in a devspace which does no longer exist.
# Removal on 2026-11-08.  Bug #938231.


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