64 lines
2.0 KiB
CMake
64 lines
2.0 KiB
CMake
# Set appropriate compiler and linker flags for sanitizers.
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#
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# Usage of this module:
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# enable_sanitizers("address;leak")
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# Add flags
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macro(enable_sanitizer sanitizer)
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if(${sanitizer} MATCHES "address")
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find_package(ASan REQUIRED)
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set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=address")
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link_libraries(${ASan_LIBRARY})
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elseif(${sanitizer} MATCHES "thread")
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find_package(TSan REQUIRED)
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set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=thread")
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link_libraries(${TSan_LIBRARY})
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elseif(${sanitizer} MATCHES "leak")
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find_package(LSan REQUIRED)
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set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=leak")
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link_libraries(${LSan_LIBRARY})
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elseif(${sanitizer} MATCHES "undefined")
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find_package(UBSan REQUIRED)
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set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=undefined -fno-sanitize-recover=undefined")
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link_libraries(${UBSan_LIBRARY})
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else()
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message(FATAL_ERROR "Santizer ${sanitizer} not supported.")
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endif()
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endmacro()
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macro(enable_sanitizers SANITIZERS)
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# Check sanitizers compatibility.
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# Idealy, we should use if(san IN_LIST SANITIZERS) ... endif()
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# But I haven't figure out how to make it work.
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foreach ( _san ${SANITIZERS} )
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string(TOLOWER ${_san} _san)
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if (_san MATCHES "thread")
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if (${_use_other_sanitizers})
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message(FATAL_ERROR
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"thread sanitizer is not compatible with ${_san} sanitizer.")
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endif()
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set(_use_thread_sanitizer 1)
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else ()
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if (${_use_thread_sanitizer})
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message(FATAL_ERROR
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"${_san} sanitizer is not compatible with thread sanitizer.")
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endif()
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set(_use_other_sanitizers 1)
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endif()
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endforeach()
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message("Sanitizers: ${SANITIZERS}")
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foreach( _san ${SANITIZERS} )
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string(TOLOWER ${_san} _san)
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enable_sanitizer(${_san})
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endforeach()
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message("Sanitizers compile flags: ${SAN_COMPILE_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SAN_COMPILE_FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SAN_COMPILE_FLAGS}")
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endmacro()
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