Qt No such slot for the QProcess::finished() signal

Question

I am trying to run a command line program, gphoto2 from my Qt app running in Linux and read the results that it outputs to Standard Output and Standard Error. The GUI in th

Answer 1

Or with C++14 (modern compilers)

QObject::connect(cameraControl, qOverload(&QProcess::finished), this, &MainWindow::on_cameraControlExit);

Or in the Qt5 convention:

QObject::connect(cameraControl, static_cast(&QProcess::finished), this, &MainWindow::on_cameraControlExit);