This reduces the amount of warning messages when the pkg-config
feature is disabled.
Task-number: QTBUG-85276
Change-Id: I11a6dfb6273a1e48c47d1ef5c1a5f70ba990fbc0
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Change-Id: I8cb97afaaed46ee64b5a133e797179d7ddecdeef
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>