Install with default options, launch QtCreator, open project, browse for webchannel/chatclient-qml. Build, fails with log:
12:59:07: Running steps for project chatclient-qml...
12:59:07: Configuration unchanged, skipping qmake step.
12:59:07: Starting: "/usr/bin/make"
make: *** No rule to make target `../chatclient-qml/qwebchannel.js', needed by `qwebchannel.js'. Stop.
12:59:07: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project chatclient-qml (kit: Desktop Qt 5.8.0 GCC 64bit)
When executing step "Make"
12:59:07: Elapsed time: 00:00.
Same output from other webchannel examples also: No rule to make target xx.js.