HEADERS += \ $$PWD/qevdevmousehandler_p.h \ $$PWD/qevdevmousemanager_p.h SOURCES += \ $$PWD/qevdevmousehandler.cpp \ $$PWD/qevdevmousemanager.cpp contains(QT_CONFIG, libudev) { LIBS_PRIVATE += $$QMAKE_LIBS_LIBUDEV }