missing QEventLoop
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I do not know HOW this occurred, but I like to recover from "missing QEventLoop".
I get SAME error using my current C++ program / application and SAME error with new test application.I was guessing best way would be to reinstall Qt 5.12.2
I am not sure HOW to uninstall specific Qt version only.
This seems to uninstall QTMaintenatceTool - I do not want that !
Is tius my next step ?
would that remove all versions with exeption of 6.3.2?
Then I would reinstall 5.15.2 as last step
Here is " missing QEventLoop" error
/home/nov25-1/Qt/5.15.2/gcc_64/include/QtCore/qcoreapplication.h:120: error: use of undeclared identifier 'QEventLoop'
In file included from ../untitled_TEST/main.cpp:3:
In file included from ../Qt/5.15.2/gcc_64/include/QtWidgets/QApplication:1:
In file included from ../Qt/5.15.2/gcc_64/include/QtWidgets/qapplication.h:44:
../Qt/5.15.2/gcc_64/include/QtCore/qcoreapplication.h:120:31: error: use of undeclared identifier 'QEventLoop'
static void processEvents(QEventLoop::ProcessEventsFlags flags = QEventLoop::AllEvents);
^