Merge topic 'deprecate-pre-3.10' 4c4f173876 Clarify advice given by compatibility deprecation message for CMake < 3.10 Acked-by: Kitware Robot <kwrobot@kitware.com> Tested-by: buildbot <buildbot@kitware.com> Acked-by: Dženan Zukić <dzenan.zukic@kitware.com> Merge-request: !9996