Handle Qmake errors when running make in a qmake project

Qmake may be run by make, so make the makestep use the qmake parser
in addition to the rest in qmake based projects.

Change-Id: Ibdd3eb476d890d580a8417d691166c4dd33350cb
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>