- CMAKE_TLS_VERSION
- -----------------
- .. versionadded:: 3.30
- .. include:: ENV_VAR.txt
- Specify the default value for the :command:`file(DOWNLOAD)` and
- :command:`file(UPLOAD)` commands' ``TLS_VERSION`` option.
- This environment variable is used if the option is not given
- and the :variable:`CMAKE_TLS_VERSION` cmake variable is not set.
- See that variable for allowed values.
- This variable is also used by the :module:`ExternalProject` and
- :module:`FetchContent` modules for internal calls to
- :command:`file(DOWNLOAD)` and ``git clone``.
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