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.