4 Whether to issue warnings for deprecated functionality.
6 If not ``FALSE``, use of deprecated functionality will issue warnings.
7 If this variable is not set, CMake behaves as if it were set to ``TRUE``.
9 When running :manual:`cmake(1)`, this option can be enabled with the
10 ``-Wdeprecated`` option, or disabled with the ``-Wno-deprecated`` option.