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CC
--
.. versionadded:: 3.10
.. include:: ENV_VAR.txt
Preferred executable for compiling ``C`` language files. Will only be used by
CMake on the first configuration to determine ``C`` compiler, after which the
value for ``CC`` is stored in the cache as
:variable:`CMAKE_C_COMPILER <CMAKE_<LANG>_COMPILER>`. For any configuration run
(including the first), the environment variable will be ignored if the
:variable:`CMAKE_C_COMPILER <CMAKE_<LANG>_COMPILER>` variable is defined.
.. note::
Options that are required to make the compiler work correctly can be included;
they can not be changed.
.. code-block:: console
$ export CC="custom-compiler --arg1 --arg2"
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