Tutorials
Crash course in Qt for C++ developers, Part 1
Qt für C++-Anfänger
Installation
Build
$ qmake project.pro
Switch between Qt4 and Qt5
How do I change which version of Qt is used for qmake?
$ qtchooser -list-versions 4 5 default qt4-x86_64-linux-gnu qt4 qt5-x86_64-linux-gnu qt5 c$ QT_SELECT=qt4 qmake --version qmake: could not exec '/usr/lib/x86_64-linux-gnu/qt4/bin/qmake': No such file or directory $ QT_SELECT=qt5 qmake --version QMake version 3.1 Using Qt version 5.9.1 in /usr/lib/x86_64-linux-gnu
Serial
Project ERROR: Unknown module(s) in QT: serialport
$ QT_SELECT=qt5 qmake candle.pro Info: creating stash file /home/andreas/src/Candle/src/.qmake.stash Project ERROR: Unknown module(s) in QT: serialport $ sudo apt-get install libqt5serialport5-dev