Fatal error qapplication no such file or directory

- Fatal error qapplication no such file or directory cmake
- Fatal error qtgui/qapplication no such file or directory
- Fatal error qtwidgets qapplication no such file or directory
- Fatal error qapplication no such file or directory #include qapplication
- Fatal error qapplication h no such file or directory
- Fatal error stdio.h no such file or directory
- Fatal error 'qapplication' file not found