| CMAKE_OBJCXX_EXTENSIONS | |
| ----------------------- | |
| .. versionadded:: 3.16 | |
| Default value for :prop_tgt:`OBJCXX_EXTENSIONS` property of targets. | |
| This variable is used to initialize the :prop_tgt:`OBJCXX_EXTENSIONS` | |
| property on all targets. See that target property for additional | |
| information. | |
| See the :manual:`cmake-compile-features(7)` manual for information on | |
| compile features and a list of supported compilers. |