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0fc067a54c
In 0cabf4eeb9 ("build: disable implicit fallthrough"), we added
-Wimplicit-fallthrough to configure.py, but forgot to add it to cmake.
Closes #14629
59 lines
2.0 KiB
CMake
59 lines
2.0 KiB
CMake
set(disabled_warnings
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c++11-narrowing
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mismatched-tags
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overloaded-virtual
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unsupported-friend)
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include(CheckCXXCompilerFlag)
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foreach(warning ${disabled_warnings})
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check_cxx_compiler_flag("-Wno-${warning}" _warning_supported_${warning})
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if(_warning_supported_${warning})
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list(APPEND _supported_warnings ${warning})
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endif()
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endforeach()
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list(TRANSFORM _supported_warnings PREPEND "-Wno-")
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string(JOIN " " CMAKE_CXX_FLAGS
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"-Wall"
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"-Werror"
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"-Wno-error=deprecated-declarations"
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"-Wimplicit-fallthrough"
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${_supported_warnings})
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function(default_target_arch arch)
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set(x86_instruction_sets i386 i686 x86_64)
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if(CMAKE_SYSTEM_PROCESSOR IN_LIST x86_instruction_sets)
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set(${arch} "westmere" PARENT_SCOPE)
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elseif(CMAKE_SYSTEM_PROCESSOR EQUAL "aarch64")
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set(${arch} "armv8-a+crc+crypto" PARENT_SCOPE)
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else()
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set(${arch} "" PARENT_SCOPE)
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endif()
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endfunction()
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default_target_arch(target_arch)
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if(target_arch)
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string(APPEND CMAKE_CXX_FLAGS " -march=${target_arch}")
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endif()
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math(EXPR _stack_usage_threshold_in_bytes "${stack_usage_threshold_in_KB} * 1024")
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set(_stack_usage_threshold_flag "-Wstack-usage=${_stack_usage_threshold_in_bytes}")
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check_cxx_compiler_flag(${_stack_usage_threshold_flag} _stack_usage_flag_supported)
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if(_stack_usage_flag_supported)
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string(APPEND CMAKE_CXX_FLAGS " ${_stack_usage_threshold_flag}")
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 16)
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# workaround https://github.com/llvm/llvm-project/issues/62842
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set(_original_level "${Seastar_OptimizationLevel_${build_mode}}")
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set(_safe_level "0")
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if(NOT _original_level STREQUAL _safe_level)
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message(WARNING
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"Changing optimization level from -O${_original_level} to -O${_safe_level} "
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"due to https://github.com/llvm/llvm-project/issues/62842.")
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string(REPLACE " -O${_original_level} " " -O${_safe_level} "
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CMAKE_CXX_FLAGS_${build_mode}
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"${CMAKE_CXX_FLAGS_${build_mode}}")
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endif()
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unset(_original_level)
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unset(_safe_level)
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endif()
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