1OBJCXX_STANDARD_REQUIRED 2------------------------ 3 4.. versionadded:: 3.16 5 6Boolean describing whether the value of :prop_tgt:`OBJCXX_STANDARD` is a requirement. 7 8If this property is set to ``ON``, then the value of the 9:prop_tgt:`OBJCXX_STANDARD` target property is treated as a requirement. If this 10property is ``OFF`` or unset, the :prop_tgt:`OBJCXX_STANDARD` target property is 11treated as optional and may "decay" to a previous standard if the requested is 12not available. 13 14If the property is not set, and the project has set the :prop_tgt:`CXX_STANDARD_REQUIRED`, 15the value of :prop_tgt:`CXX_STANDARD_REQUIRED` is set for :prop_tgt:`OBJCXX_STANDARD_REQUIRED`. 16 17See the :manual:`cmake-compile-features(7)` manual for information on 18compile features and a list of supported compilers. 19 20This property is initialized by the value of 21the :variable:`CMAKE_OBJCXX_STANDARD_REQUIRED` variable if it is set when a 22target is created. 23