Some projects set TARGET or DESTDIR only in the build_pass

Task-number: QTCREATORBUG-4273

Change-Id: I3673dd93b37b10102a0c1f1ce053e1aef8aaf53f
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
(cherry picked from qtcreator/95169eb8e39c6f43b7e74fbb18d4db19a38b0124)
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>