Merge topic 'automoc-build-dir'

76608c60d3 AutoMoc: Take AUTOMOC_BUILD_DIR into account in depfile

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Acked-by: alcroito <alexandru.croitor@qt.io>
Merge-request: !7291