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Many environment variables were documented late and got assigned wrong versions by the script. (The whole Help/envvar section was only added in 3.10). Issue: #19715
20 lines
660 B
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20 lines
660 B
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CXX
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---
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.. include:: ENV_VAR.txt
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Preferred executable for compiling ``CXX`` language files. Will only be used by
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CMake on the first configuration to determine ``CXX`` compiler, after which the
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value for ``CXX`` is stored in the cache as
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:variable:`CMAKE_CXX_COMPILER <CMAKE_<LANG>_COMPILER>`. For any configuration
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run (including the first), the environment variable will be ignored if the
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:variable:`CMAKE_CXX_COMPILER <CMAKE_<LANG>_COMPILER>` variable is defined.
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.. note::
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Options that are required to make the compiler work correctly can be included;
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they can not be changed.
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.. code-block:: console
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$ export CXX="custom-compiler --arg1 --arg2"
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