Pyside6 is using unconventional header location which needs
special handling.
Task-number: PYSIDE-3211
Change-Id: I00cd14f0fdf1f8a5a1af3afb8e092b1c7fa27df2
Reviewed-by: Ari Parkkila <ari.parkkila@qt.io>
Bring all pyside changes from 6.9 branch.
Task-number: QTBUG-141036
Change-Id: I310622450504c782b52b4770b94e5ee66a8c2280
Reviewed-by: Ari Parkkila <ari.parkkila@qt.io>