MFH: r429778

Pass -fPIC when building the port's static libraries.

This makes it possible to use those libraries with shared libraries on at least
amd64.

While here, set LICENSE and drop MAKE_JOBS_UNSAFE.

PR: 209982
Submitted by: Jason Bacon <bacon4000@gmail.com> (maintainer)
Approved by: ports-secteam (with hat)