.. note:: | |
If the compiler's default standard level is at least that | |
of the requested feature, CMake may omit the ``-std=`` flag. | |
The flag may still be added if the compiler's default extensions mode | |
does not match the :prop_tgt:`<LANG>_EXTENSIONS` target property, | |
or if the :prop_tgt:`<LANG>_STANDARD` target property is set. |