Merge topic 'implicit-link-dir-exclude'

023de565d3 Optionally exclude implicit link directories via environment

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Acked-by: Roscoe A. Bartlett <rabartl@sandia.gov>
Merge-request: !8506