* tell qmake about QWT, so it does not create a header target * set QT_PLUGIN_PATH * set PATH so that necessary tools are available (cherry picked from commit 926ec7dce6f8ac45775e1169535829799d9a8c87)
* tell qmake about QWT, so it does not create a header target * set QT_PLUGIN_PATH * set PATH so that necessary tools are available (cherry picked from commit 926ec7dce6f8ac45775e1169535829799d9a8c87)