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https://github.com/Kitware/CMake.git
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4a0485be7f
The changes are part of CMP0128. When the standard level is unset: * Flags are added if extension mode doesn't match the compiler's default. Previously logic only worked if LANG_EXTENSIONS was ON. Fixes #22224. * The full flag is used. Previously CMAKE_LANG_EXTENSION_COMPILE_OPTION was used. This was only supported for IAR. Otherwise: * Avoid adding flags if not necessary per the detected compiler defaults. * Fixed check for when the requested standard is older. It now matches the nearby comments. I reworded the fallback comment as its logic was a bit difficult to wrap my head around.
43 lines
1.8 KiB
ReStructuredText
43 lines
1.8 KiB
ReStructuredText
CMAKE_POLICY_WARNING_CMP<NNNN>
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------------------------------
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Explicitly enable or disable the warning when CMake Policy ``CMP<NNNN>``
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has not been set explicitly by :command:`cmake_policy` or implicitly
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by :command:`cmake_minimum_required`. This is meaningful
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only for the policies that do not warn by default:
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* ``CMAKE_POLICY_WARNING_CMP0025`` controls the warning for
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policy :policy:`CMP0025`.
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* ``CMAKE_POLICY_WARNING_CMP0047`` controls the warning for
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policy :policy:`CMP0047`.
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* ``CMAKE_POLICY_WARNING_CMP0056`` controls the warning for
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policy :policy:`CMP0056`.
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* ``CMAKE_POLICY_WARNING_CMP0060`` controls the warning for
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policy :policy:`CMP0060`.
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* ``CMAKE_POLICY_WARNING_CMP0065`` controls the warning for
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policy :policy:`CMP0065`.
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* ``CMAKE_POLICY_WARNING_CMP0066`` controls the warning for
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policy :policy:`CMP0066`.
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* ``CMAKE_POLICY_WARNING_CMP0067`` controls the warning for
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policy :policy:`CMP0067`.
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* ``CMAKE_POLICY_WARNING_CMP0082`` controls the warning for
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policy :policy:`CMP0082`.
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* ``CMAKE_POLICY_WARNING_CMP0089`` controls the warning for
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policy :policy:`CMP0089`.
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* ``CMAKE_POLICY_WARNING_CMP0102`` controls the warning for
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policy :policy:`CMP0102`.
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* ``CMAKE_POLICY_WARNING_CMP0112`` controls the warning for
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policy :policy:`CMP0112`.
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* ``CMAKE_POLICY_WARNING_CMP0116`` controls the warning for
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policy :policy:`CMP0116`.
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* ``CMAKE_POLICY_WARNING_CMP0126`` controls the warning for
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policy :policy:`CMP0126`.
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* ``CMAKE_POLICY_WARNING_CMP0128`` controls the warning for
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policy :policy:`CMP0128`.
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This variable should not be set by a project in CMake code. Project
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developers running CMake may set this variable in their cache to
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enable the warning (e.g. ``-DCMAKE_POLICY_WARNING_CMP<NNNN>=ON``).
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Alternatively, running :manual:`cmake(1)` with the ``--debug-output``,
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``--trace``, or ``--trace-expand`` option will also enable the warning.
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