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30 lines
1.2 KiB
30 lines
1.2 KiB
CMP0025
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-------
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Compiler id for Apple Clang is now ``AppleClang``.
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CMake 3.0 and above recognize that Apple Clang is a different compiler
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than upstream Clang and that they have different version numbers.
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CMake now prefers to present this to projects by setting the
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:variable:`CMAKE_<LANG>_COMPILER_ID` variable to ``AppleClang`` instead
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of ``Clang``. However, existing projects may assume the compiler id for
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Apple Clang is just ``Clang`` as it was in CMake versions prior to 3.0.
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Therefore this policy determines for Apple Clang which compiler id to
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report in the :variable:`CMAKE_<LANG>_COMPILER_ID` variable after
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language ``<LANG>`` is enabled by the :command:`project` or
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:command:`enable_language` command. The policy must be set prior
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to the invocation of either command.
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The ``OLD`` behavior for this policy is to use compiler id ``Clang``. The
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``NEW`` behavior for this policy is to use compiler id ``AppleClang``.
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.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 3.0
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.. |WARNS_OR_DOES_NOT_WARN| replace:: does *not* warn by default
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.. include:: STANDARD_ADVICE.txt
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See documentation of the
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:variable:`CMAKE_POLICY_WARNING_CMP0025 <CMAKE_POLICY_WARNING_CMP<NNNN>>`
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variable to control the warning.
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.. include:: DEPRECATED.txt
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