Hi

I am trying a Qt4 project on Qt Creator on Fedora 29. I get 'undeclared' errors by the IDE (not the compiler) for pretty much all library functions/types - both Qt and non-Qt. But compilation and execution work just fine. Only the IDE shows these errors.

Screenshot here: https://pasteboard.co/HXhWMJZ.png

Any idea on what is wrong?

Thanks,

Syam