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CMAKE_COLOR_DIAGNOSTICS
-----------------------
.. versionadded:: 3.24
Enable color diagnostics throughout the generated build system.
This variable uses three states: ``ON``, ``OFF`` and not defined.
When not defined:
* :ref:`Makefile Generators` initialize the :variable:`CMAKE_COLOR_MAKEFILE`
variable to ``ON``. It controls color buildsystem messages.
* GNU/Clang compilers are not invoked with any color diagnostics flag.
When ``ON``:
* :ref:`Makefile Generators` produce color buildsystem messages by default.
:variable:`CMAKE_COLOR_MAKEFILE` is not initialized, but may be
explicitly set to ``OFF`` to disable color buildsystem messages.
* GNU/Clang compilers are invoked with a flag enabling color diagnostics
(``-fcolor-diagnostics``).
When ``OFF``:
* :ref:`Makefile Generators` do not produce color buildsystem messages by
default. :variable:`CMAKE_COLOR_MAKEFILE` is not initialized, but may be
explicitly set to ``ON`` to enable color buildsystem messages.
* GNU/Clang compilers are invoked with a flag disabling color diagnostics
(``-fno-color-diagnostics``).
If the :envvar:`CMAKE_COLOR_DIAGNOSTICS` environment variable is set, its
value is used. Otherwise, ``CMAKE_COLOR_DIAGNOSTICS`` is not defined by
default.
See the :envvar:`CLICOLOR` and :envvar:`CLICOLOR_FORCE` environment
variables to control color output from CMake command-line tools.
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