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https://bravikov.wordpress.com/2016/06/02/%d0%be%d1%88%d0%b8%d0%b1%d0%ba%d0%b0-%d0%bb%d0%b8%d0%bd%d0%ba%d0%be%d0%b2%d0%ba%d0%b8-%d0%bf%d1%80%d0%b8-%d0%bd%d0%b0%d1%81%d0%bb%d0%b5%d0%b4%d0%be%d0%b2%d0%b0%d0%bd%d0%b8%d0%b8-qobject/
Ошибка линковки при наследовании QObject