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CMAKE_XCODE_SCHEME_ENABLE_GPU_API_VALIDATION
New in version 3.25.
Property value for Metal: API Validation in the Options section of the generated Xcode scheme.
This variable initializes the XCODE_SCHEME_ENABLE_GPU_API_VALIDATION property on all targets.
Please refer to the XCODE_GENERATE_SCHEME target property documentation to see all Xcode schema related properties.
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https://cmake.org/cmake/help/v3.25/variable/CMAKE_XCODE_SCHEME_ENABLE_GPU_API_VALIDATION.html