/usr/share/cmake-3.5/Help/policy/DEPRECATED.txt is in cmake-data 3.5.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | .. note::
The ``OLD`` behavior of a policy is
:manual:`deprecated by definition <cmake-policies(7)>`
and may be removed in a future version of CMake.
|