Some projects require Qt versions higher than what Ubuntu offers in it's archives. Thus it would be useful if the QMake plugin would support specifying Qt related paths to a custom Qt version. Right now it is necessary to write your own plugin for this purpose as done in [1], [2]. I'm not sure how this should be implemented though. Simply using an environment variable like in [2]? [1]: https://github.com/tjyrinki/timostestapp2 [2]: https://github.com/tim-sueberkrueb/liri-calculator-snap