Leatherman 0.9.1 requires cmake 3.2.2 or newer to compile.
.../CMakeLists.txt:1:cmake_minimum_required(VERSION 3.2.2)
This is true for *all* versions in the tree.
That is correct, however I wasn't sure about the etiquette on fixing older ebuilds. If that's kosher I can amend the pull request to fix all 3 of them at once.
fixed in place