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The `CMAKE_COMPILER_IS_*` variables have been documented as deprecated since CMake 3.24, without emitting warnings. This commit updates their documentation to help users safely migrate to `CMAKE_<LANG>_COMPILER_ID` variables. Also a RST deprecation directive is added to clarify their status.
36 lines
909 B
ReStructuredText
36 lines
909 B
ReStructuredText
CMAKE_COMPILER_IS_GNUG77
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------------------------
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.. deprecated:: 3.24
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Use the :variable:`CMAKE_Fortran_COMPILER_ID <CMAKE_<LANG>_COMPILER_ID>`
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variable instead.
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The ``CMAKE_COMPILER_IS_*`` variables were used in early CMake versions before
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the introduction of :variable:`CMAKE_<LANG>_COMPILER_ID` variables in CMake
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2.6.
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The ``CMAKE_COMPILER_IS_GNUG77`` variable is set to boolean true if the
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``Fortran`` compiler is GNU.
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Examples
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^^^^^^^^
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In earlier versions of CMake, the ``CMAKE_COMPILER_IS_GNUG77`` variable was used
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to check if the ``Fortran`` compiler was GNU:
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.. code-block:: cmake
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if(CMAKE_COMPILER_IS_GNUG77)
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# GNU Fortran compiler-specific logic.
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endif()
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Starting with CMake 2.6, the ``CMAKE_Fortran_COMPILER_ID`` variable should be
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used instead:
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.. code-block:: cmake
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if(CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
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# GNU Fortran compiler-specific logic.
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endif()
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