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35 lines
1.1 KiB
35 lines
1.1 KiB
CMP0127
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-------
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.. versionadded:: 3.22
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:command:`cmake_dependent_option` supports full :ref:`Condition Syntax`.
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The ``<depends>`` parameter accepts a :ref:`semicolon-separated list <CMake
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Language Lists>` of conditions. CMake 3.21 and lower evaluates each
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``condition`` as ``if(${condition})``, which does not properly handle
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conditions with nested paren groups. CMake 3.22 and above instead prefer
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to evaluate each ``condition`` as ``if(<condition>)``, where ``<condition>``
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is re-parsed as if literally written in a call to :command:`if`. This
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allows expressions like::
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"A AND (B OR C)"
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but requires expressions like::
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"FOO MATCHES (UPPER|lower)"
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to be re-written as::
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"FOO MATCHES \"(UPPER|lower)\""
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Policy ``CMP0127`` provides compatibility for projects that have not
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been updated to expect the new behavior.
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This policy was introduced in CMake version 3.22. CMake version
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|release| warns when the policy is not set and uses ``OLD`` behavior.
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Use the :command:`cmake_policy` command to set it to ``OLD`` or ``NEW``
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explicitly.
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.. include:: DEPRECATED.txt
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