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CMP0126
-------
.. versionadded:: 3.21
The :command:`set(CACHE)` does not remove a normal variable of the same name.
Starting with CMake 3.21, the :command:`set(CACHE)` does not remove, in the
current scope, any normal variable with the same name.
The ``OLD`` behavior for this policy is to have the :command:`set(CACHE)`
command removing the normal variable of the same name, if any. The ``NEW``
behavior for this policy is to keep the normal variable of the same name.
This policy was introduced in CMake version 3.21. Use the
:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
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>>`
variable to control the warning.
.. include:: DEPRECATED.txt
|
