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Help/command/variable_requires.rst
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Alex Turbov
Help: Use CMake highlighting for command synopsis
09 ноя 2022, 22:52
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09 ноя 2022, 22:52
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variable_requires ----------------- Disallowed since version 3.0. See CMake Policy :policy:`CMP0035`. Use the :command:`if` command instead. Assert satisfaction of an option's required variables. .. code-block:: cmake variable_requires(TEST_VARIABLE RESULT_VARIABLE REQUIRED_VARIABLE1 REQUIRED_VARIABLE2 ...) The first argument (``TEST_VARIABLE``) is the name of the variable to be tested, if that variable is false nothing else is done. If ``TEST_VARIABLE`` is true, then the next argument (``RESULT_VARIABLE``) is a variable that is set to true if all the required variables are set. The rest of the arguments are variables that must be true or not set to ``NOTFOUND`` to avoid an error. If any are not true, an error is reported.