| CMAKE_TLS_VERSION | |
| ----------------- | |
| .. versionadded:: 3.30 | |
| Specify the default value for the :command:`file(DOWNLOAD)` and | |
| :command:`file(UPLOAD)` commands' ``TLS_VERSION`` option. | |
| If this variable is not set, the commands check the | |
| :envvar:`CMAKE_TLS_VERSION` environment variable. | |
| The value may be one of: | |
| .. include:: CMAKE_TLS_VERSION-VALUES.txt | |
| This variable is also used by the :module:`ExternalProject` and | |
| :module:`FetchContent` modules for internal calls to | |
| :command:`file(DOWNLOAD)` and ``git clone``. |