CMake/Help/policy/CMP0057.rst
Brad King 482a3bf3f0 Help: Document explicitly that policy OLD behavior is deprecated
The most likely documentation page a project author will read in
response to a policy warning is the page for the policy itself.
Add to every policy documentation page a note explicitly stating
that the OLD behavior is deprecated.  Also mention this in the
cmake_policy() command documentation that explains how to set a
policy to OLD.

Suggested-by: Fraser Hutchison <fraser.hutchison@gmail.com>
2015-06-09 09:29:41 -04:00

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CMP0057
-------
Support new :command:`if` IN_LIST operator.
CMake 3.3 adds support for the new IN_LIST operator.
The ``OLD`` behavior for this policy is to ignore the IN_LIST operator.
The ``NEW`` behavior is to interpret the IN_LIST operator.
This policy was introduced in CMake version 3.3.
CMake version |release| warns when the policy is not set and uses
``OLD`` behavior. Use the :command:`cmake_policy` command to set
it to ``OLD`` or ``NEW`` explicitly.
.. include:: DEPRECATED.txt