70 lines
4.9 KiB
CMake
70 lines
4.9 KiB
CMake
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include(CheckCXXCompilerFlag)
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include(CheckCXXSourceRuns)
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set(ALL_SAN_FLAGS "")
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# No sanitizers when cross compiling to prevent stuff like this: https://github.com/whoshuu/cpr/issues/582
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if(NOT CMAKE_CROSSCOMPILING)
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# Thread sanitizer
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set(THREAD_SAN_FLAGS "-fsanitize=thread")
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set(PREV_FLAG ${CMAKE_REQUIRED_FLAGS})
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set(CMAKE_REQUIRED_FLAGS "${THREAD_SAN_FLAGS}")
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check_cxx_source_runs("int main() { return 0; }" THREAD_SANITIZER_AVAILABLE)
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set(CMAKE_REQUIRED_FLAGS ${PREV_FLAG})
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# Do not add the ThreadSanitizer for builds with all sanitizers enabled because it is incompatible with other sanitizers.
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# Address sanitizer
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set(ADDR_SAN_FLAGS "-fsanitize=address")
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set(PREV_FLAG ${CMAKE_REQUIRED_FLAGS})
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set(CMAKE_REQUIRED_FLAGS "${ADDR_SAN_FLAGS}")
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check_cxx_source_runs("int main() { return 0; }" ADDRESS_SANITIZER_AVAILABLE)
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set(CMAKE_REQUIRED_FLAGS ${PREV_FLAG})
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if(ADDRESS_SANITIZER_AVAILABLE)
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set(ALL_SAN_FLAGS "${ALL_SAN_FLAGS} ${ADDR_SAN_FLAGS}")
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endif()
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# Leak sanitizer
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set(LEAK_SAN_FLAGS "-fsanitize=leak")
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check_cxx_compiler_flag(${LEAK_SAN_FLAGS} LEAK_SANITIZER_AVAILABLE)
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if(LEAK_SANITIZER_AVAILABLE)
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set(ALL_SAN_FLAGS "${ALL_SAN_FLAGS} ${LEAK_SAN_FLAGS}")
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endif()
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# Undefined behavior sanitizer
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set(UDEF_SAN_FLAGS "-fsanitize=undefined")
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check_cxx_compiler_flag(${UDEF_SAN_FLAGS} UNDEFINED_BEHAVIOUR_SANITIZER_AVAILABLE)
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if(UNDEFINED_BEHAVIOUR_SANITIZER_AVAILABLE)
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set(ALL_SAN_FLAGS "${ALL_SAN_FLAGS} ${UDEF_SAN_FLAGS}")
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endif()
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# All sanitizer (without thread sanitizer)
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if(NOT ALL_SAN_FLAGS STREQUAL "")
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set(PREV_FLAG ${CMAKE_REQUIRED_FLAGS})
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set(CMAKE_REQUIRED_FLAGS "${ALL_SAN_FLAGS}")
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check_cxx_source_runs("int main() { return 0; }" ALL_SANITIZERS_AVAILABLE)
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set(CMAKE_REQUIRED_FLAGS ${PREV_FLAG})
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endif()
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if(CPR_DEBUG_SANITIZER_FLAG_THREAD AND THREAD_SANITIZER_AVAILABLE)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${THREAD_SAN_FLAGS}" CACHE INTERNAL "Flags used by the C compiler during thread sanitizer builds." FORCE)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${THREAD_SAN_FLAGS}" CACHE INTERNAL "Flags used by the C++ compiler during thread sanitizer builds." FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE INTERNAL "Flags used for the linker during thread sanitizer builds" FORCE)
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elseif(CPR_DEBUG_SANITIZER_FLAG_ADDR AND ADDRESS_SANITIZER_AVAILABLE)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${ADDR_SAN_FLAGS} -fno-omit-frame-pointer -fno-optimize-sibling-calls" CACHE INTERNAL "Flags used by the C compiler during address sanitizer builds." FORCE)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${ADDR_SAN_FLAGS} -fno-omit-frame-pointer -fno-optimize-sibling-calls" CACHE INTERNAL "Flags used by the C++ compiler during address sanitizer builds." FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE INTERNAL "Flags used for the linker during address sanitizer builds" FORCE)
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elseif(CPR_DEBUG_SANITIZER_FLAG_LEAK AND LEAK_SANITIZER_AVAILABLE)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${LEAK_SAN_FLAGS} -fno-omit-frame-pointer" CACHE INTERNAL "Flags used by the C compiler during leak sanitizer builds." FORCE)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${LEAK_SAN_FLAGS} -fno-omit-frame-pointer" CACHE INTERNAL "Flags used by the C++ compiler during leak sanitizer builds." FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE INTERNAL "Flags used for the linker during leak sanitizer builds" FORCE)
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elseif(CPR_DEBUG_SANITIZER_FLAG_UB AND UNDEFINED_BEHAVIOUR_SANITIZER_AVAILABLE)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${UDEF_SAN_FLAGS}" CACHE INTERNAL "Flags used by the C compiler during undefined behaviour sanitizer builds." FORCE)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${UDEF_SAN_FLAGS}" CACHE INTERNAL "Flags used by the C++ compiler during undefined behaviour sanitizer builds." FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE INTERNAL "Flags used for the linker during undefined behaviour sanitizer builds" FORCE)
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elseif(CPR_DEBUG_SANITIZER_FLAG_ALL AND ALL_SANITIZERS_AVAILABLE)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${ALL_SAN_FLAGS} -fno-omit-frame-pointer -fno-optimize-sibling-calls" CACHE INTERNAL "Flags used by the C compiler during most possible sanitizer builds." FORCE)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${ALL_SAN_FLAGS} -fno-omit-frame-pointer -fno-optimize-sibling-calls" CACHE INTERNAL "Flags used by the C++ compiler during most possible sanitizer builds." FORCE)
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set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE INTERNAL "Flags used for the linker during most possible sanitizer builds" FORCE)
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endif()
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endif()
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