There should be a "dependents" command, showing what's installed that needed a given package.
Something like `port dependents gcc7` On 10/07/2017 09:01 AM, db wrote: > I updated my ports and realised that gcc7 was built, but couldn't establish > for which port it was necessary. I thought something like `port cat installed > | grep '^name\|gcc7'` would help reveal it. Then I tried `port rdeps > installed | grep ' ports\|gcc7'` and noticed py27-gnuplot, py27-numpy and > scapy needed it, but by skimming through their respective files I couldn't > establish the dependency. > > How can I check if a dependency that requires such long build time is > required beforehand? >
