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/CMake 3.19

OBJCXX_STANDARD_REQUIRED

New in version 3.16.

Boolean describing whether the value of OBJCXX_STANDARD is a requirement.

If this property is set to ON, then the value of the OBJCXX_STANDARD target property is treated as a requirement. If this property is OFF or unset, the OBJCXX_STANDARD target property is treated as optional and may “decay” to a previous standard if the requested is not available.

If the property is not set, and the project has set the CXX_STANDARD_REQUIRED, the value of CXX_STANDARD_REQUIRED is set for OBJCXX_STANDARD_REQUIRED.

See the cmake-compile-features(7) manual for information on compile features and a list of supported compilers.

This property is initialized by the value of the CMAKE_OBJCXX_STANDARD_REQUIRED variable if it is set when a target is created.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.19/prop_tgt/OBJCXX_STANDARD_REQUIRED.html