@laozeng1982
Write a one program which just creates a QWIdget and show()s it before app.exec(). Try that. Find out whether no Qt program runs or whether it's something in your actual application.
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Unsolved Run Qt in Linux
General and Desktop • • laozeng1982 -
Unsolved mapToGlobal, wrong values with Linux
Qt 6 • • gmat -
Unsolved Qmake cannot find libraries
Installation and Deployment • • dhaus