the inherited arguments may contain the '--' argument, which turns
additional arguments into configure arguments. the simplest fix for
that is injecting additional arguments at the front, not at the end.
Change-Id: I7cc00a42f0148e5ccbbeda2ad59fa8c63749f02d
Reviewed-by: Jake Petroules <jake.petroules@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>