./RenderWindowUISingleInheritance: relocation error: /home/wjl/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5: symbol _ZN23QPlatformSystemTrayIcon20contextMenuRequestedE6QPointPK15QPlatformScreen version Qt_5_PRIVATE_API not defined in file libQt5Gui.so.5 with link time reference
Compling is OK.
but can not run.
Ubuntu 18.04
VTK 8.2.0 QT 5.12