To install volk-gnss-sdr, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install volk-gnss-sdr
To see what files were installed by volk-gnss-sdr, run:
port contents volk-gnss-sdr
To later upgrade volk-gnss-sdr, run:
sudo port selfupdate && sudo port upgrade volk-gnss-sdr
Reporting an issue on MacPorts Trac
The MacPorts Project uses a system called Trac to file tickets to report bugs and enhancement requests.
Though anyone may search Trac for tickets, you must have a GitHub account in order to login to Trac to create tickets.