michele@michele-K53SC:~$ make SlateViewer
/usr/lib/x86_64-linux-gnu/qt5/bin/qmake -spec linux-g++-64 CONFIG+=debug CONFIG+=declarative_debug CONFIG+=qml_debug -o Makefile /usr/lib/x86_64-linux-gnu/qt5/examples/quick/demos/calqlatr/calqlatr.pro
Cannot find file: /usr/lib/x86_64-linux-gnu/qt5/examples/quick/demos/calqlatr/calqlatr.pro.
make: *** [Makefile] Errore 2