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- enable_language
- ---------------
- Enable a language (CXX/C/Fortran/etc)
- ::
- enable_language(<lang> [OPTIONAL] )
- This command enables support for the named language in CMake. This is
- the same as the project command but does not create any of the extra
- variables that are created by the project command. Example languages
- are ``CXX``, ``C``, ``CUDA``, ``Fortran``, and ``ASM``.
- If enabling ``ASM``, enable it last so that CMake can check whether
- compilers for other languages like ``C`` work for assembly too.
- This command must be called in file scope, not in a function call.
- Furthermore, it must be called in the highest directory common to all
- targets using the named language directly for compiling sources or
- indirectly through link dependencies. It is simplest to enable all
- needed languages in the top-level directory of a project.
- The ``OPTIONAL`` keyword is a placeholder for future implementation and
- does not currently work. Instead you can use the :module:`CheckLanguage`
- module to verify support before enabling.
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