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33 lines
1.0 KiB
ReStructuredText
33 lines
1.0 KiB
ReStructuredText
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CMP0130
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-------
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.. versionadded:: 3.24
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:command:`while` diagnoses condition evaluation errors.
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CMake 3.23 and below accidentally tolerated errors encountered while
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evaluating the condition passed to the :command:`while` command
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(but not the :command:`if` command). For example, the code
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.. code-block:: cmake
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set(paren "(")
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while(${paren})
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endwhile()
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creates an unbalanced parenthesis during condition evaluation.
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CMake 3.24 and above prefer to diagnose such errors. This policy
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provides compatibility for projects that have not been updated to
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fix their condition errors.
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The ``OLD`` behavior for this policy is to ignore errors in
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:command:`while` conditions. The ``NEW`` behavior for this
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policy is to diagnose errors in :command:`while` conditions.
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This policy was introduced in CMake version 3.24. CMake version |release|
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warns when the policy is not set and uses ``OLD`` behavior. Use the
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:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
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.. include:: DEPRECATED.txt
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