1a35351125
Provide packagers and end users with a way to try configuring projects that have not been updated to set their policy version to a supported level. Closes: #26698
17 lines
906 B
Plaintext
17 lines
906 B
Plaintext
This specifies that the current CMake code is written for the given range of
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CMake versions, ``<min>[...<max>]``. It sets the "policy version" to:
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* the range's ``<max>`` version, if specified, or to
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* the ``<min>`` version, or to
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* the value of the :variable:`CMAKE_POLICY_VERSION_MINIMUM` variable
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if it is higher than the other two versions.
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The policy version effectively requests behavior preferred as of a given CMake
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version and tells newer CMake versions to warn about their new policies.
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All policies known to the running version of CMake and introduced
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in that version or earlier will be set to use ``NEW`` behavior.
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All policies introduced in later versions will be unset (unless the
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:variable:`CMAKE_POLICY_DEFAULT_CMP<NNNN>` variable sets a default).
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This effectively requests behavior preferred as of a given CMake
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version and tells newer CMake versions to warn about their new policies.
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