I think I have found the mistake. I uninstalled qtcreator and installed version 4.9.0 of the link. Here I could now enter the qt-mkspec. A test program throws some warnings but is executed.
I think I have found the mistake. I uninstalled qtcreator and installed version 4.9.0 of the link. Here I could now enter the qt-mkspec. A test program throws some warnings but is executed.