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Help: Suggest CMAKE_POLICY_DEFAULT_CMP0126 in CMP0126 docs

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Brad King
2021-11-22 14:57:04 -05:00
parent 5b1c24255f
commit 69b70968bd
1 changed files with 4 additions and 1 deletions
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Help/policy/CMP0126.rst
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@@ -22,7 +22,10 @@ will *not* set the cache variable if a non-cache variable of the same name
already exists and :policy:`CMP0077` is set to ``NEW``.
Policy ``CMP0126`` was introduced in CMake version 3.21. Use the
:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly
within a project. Use the :variable:`CMAKE_POLICY_DEFAULT_CMP0126
<CMAKE_POLICY_DEFAULT_CMP\<NNNN\>>` variable to set the policy for
a third-party project in a subdirectory without modifying it.
Unlike many policies, CMake version |release| does *not* warn when the policy
is not set and simply uses ``OLD`` behavior. See documentation of the
:variable:`CMAKE_POLICY_WARNING_CMP0126 <CMAKE_POLICY_WARNING_CMP<NNNN>>`