Fixup pfunit install script to allow user use and use in CI
David Dickinson
Branch: bugfix/pfunit_install_script
Branch: 8.1-RC
Merged
Merged pull request
Merged in bugfix/pfunit_install_script (pull request #560)
Merged in bugfix/pfunit_install_script (pull request #560)
Avoids problems with trying to build pfunit when no extra arguments are set.