Compile tested on FreeBSD 13.0-STABLE #0 stable/13-n246086-a20c597c6d7 (amd64) (make, make check-plist)
Poudriere testport OK 12.2-RELEASE (amd64)
Fails on 11.X because libretls is broken on 11.X
https://cgit.freebsd.org/ports/commit/?id=54918b08b00fdbe9f5fc75fdf9881e8ff452b647
PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258330