The menu process creates a file called ‘options’ in the /var/db/ports/portNAME directory. If you hit ‘OK’ and then interrupt the port building process, and run’make’ again, you will not see the menu: What is happening? Where is the menu? It turns out the menu is auto-generated by’make config’. If you want to eliminate the menu, just delete the options file: gftp-2.0.18.tar.gz.”]
Source: https://taosecurity.blogspot.com/2005/11/dealing-with-freebsd-port-options.html