Jayanth A

Another year later, still same issue on Ubuntu 19.10. Only way I get Qsynth to appear in QJackCtl Connections option is by configuring Qsynth to use 'jack' as the MIDI...

Simply replace libjack-dev with libjack-jackd2-dev on Ubuntu systems, and this should compile. Some of the Python module dependencies however need to be ensure manually, i.e. `$ sudo apt-get install python-glade2`...