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23 lines
886 B
23 lines
886 B
CMAKE_<LANG>_COMPILER_FRONTEND_VARIANT
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--------------------------------------
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.. versionadded:: 3.14
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Identification string of the compiler frontend variant.
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Some compilers have multiple, different frontends for accepting command
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line options. (For example ``Clang`` originally only had a frontend
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compatible with the ``GNU`` compiler but since its port to Windows
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(``Clang-Cl``) it now also supports a frontend compatible with ``MSVC``.)
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When CMake detects such a compiler it sets this
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variable to what would have been the :variable:`CMAKE_<LANG>_COMPILER_ID` for
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the compiler whose frontend it resembles.
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.. note::
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In other words, this variable describes what command line options
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and language extensions the compiler frontend expects.
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.. versionchanged:: 3.26
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This variable is set for ``GNU``, ``MSVC``, and ``AppleClang``
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compilers that have only one frontend variant.
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