There’s a PR on GitHub with a fix (though it’s closed and not applied because the contributor deleted their fork): https://github.com/glennrp/pmt/pull/2
Fedora patch: Make compatible with current LV2
Fedora patch: update cmake minimum version requirement
Fedora patch: Make paths and flags configurable
COPYING: address of the FSF is outdated
patch for CVE-2015-3885: don't write past array boundaries