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21 lines
847 B
21 lines
847 B
CXX_STANDARD_REQUIRED
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---------------------
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.. versionadded:: 3.1
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Boolean describing whether the value of :prop_tgt:`CXX_STANDARD` is a requirement.
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If this property is set to ``ON``, then the value of the
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:prop_tgt:`CXX_STANDARD` target property is treated as a requirement. If this
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property is ``OFF`` or unset, the :prop_tgt:`CXX_STANDARD` target property is
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treated as optional and may "decay" to a previous standard if the requested is
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not available. For compilers that have no notion of a standard level, such as
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MSVC 1800 (Visual Studio 2013) and lower, this has no effect.
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See the :manual:`cmake-compile-features(7)` manual for information on
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compile features and a list of supported compilers.
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This property is initialized by the value of
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the :variable:`CMAKE_CXX_STANDARD_REQUIRED` variable if it is set when a
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target is created.
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