CMake/Help/policy/CMP0183.rst
2025-01-16 09:18:21 -05:00

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CMP0183
-------
.. versionadded:: 4.0
:command:`add_feature_info` supports full :ref:`Condition Syntax`.
The ``<enabled>`` parameter accepts a :ref:`semicolon-separated list <CMake
Language Lists>` of conditions. CMake 3.31 and lower evaluate each
``condition`` as ``if(${condition})``, which does not properly handle
conditions with nested paren groups. CMake 4.0 and above instead prefer
to evaluate each ``condition`` as ``if(<condition>)``, where ``<condition>``
is re-parsed as if literally written in a call to :command:`if`. This
allows expressions like::
"A AND (B OR C)"
but requires expressions like::
"FOO MATCHES (UPPER|lower)"
to be re-written as::
"FOO MATCHES \"(UPPER|lower)\""
Policy ``CMP0183`` provides compatibility for projects that have not
been updated to expect the new behavior.
.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 4.0
.. |WARNS_OR_DOES_NOT_WARN| replace:: warns
.. include:: STANDARD_ADVICE.txt
.. include:: DEPRECATED.txt