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Help/CMP0102: mention the varible that controls CMP0102 warnings

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This was missed in the review of !4150, but was noticed during
discussion of #22353.
This commit is contained in:
Ben Boeckel
2021-06-28 08:17:25 -04:00
parent 4a0e68266b
commit 894645d4a6
1 changed files with 3 additions and 1 deletions
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Help/policy/CMP0102.rst
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@@ -22,6 +22,8 @@ already exist in the cache.
This policy was introduced in CMake version 3.17. Use the
:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
Unlike many policies, CMake version |release| does *not* warn
when this policy is not set and simply uses ``OLD`` behavior.
when this policy is not set and simply uses ``OLD`` behavior. See
documentation of the :variable:`CMAKE_POLICY_WARNING_CMP0102
<CMAKE_POLICY_WARNING_CMP<NNNN>>` variable to control the warning.
.. include:: DEPRECATED.txt