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# Ported from Clickhouse: https://github.com/ClickHouse/ClickHouse/blob/master/cmake/sanitize.cmake
option (SANITIZE "Enable sanitizer: address, memory, undefined, leak (comma separated list)" "")
set (SAN_FLAGS "${SAN_FLAGS} -g -fno-omit-frame-pointer -DSANITIZER")
# O1 is normally set by clang, and -Og by gcc
if (COMPILER_GCC)
set (SAN_FLAGS "${SAN_FLAGS} -Og")
else ()
set (SAN_FLAGS "${SAN_FLAGS} -O1")
endif ()
if (SANITIZE)
if (ENABLE_JEMALLOC MATCHES "ON")
message (STATUS "Jemalloc support is useless in case of build with sanitizers")
set (ENABLE_JEMALLOC "OFF")
endif ()
string(REPLACE "," ";" SANITIZE_LIST ${SANITIZE})
foreach(SANITIZE ${SANITIZE_LIST})
if (SANITIZE STREQUAL "address")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address -fsanitize-address-use-after-scope")
if (COMPILER_GCC)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static-libasan")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libasan")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libasan")
endif ()
elseif (SANITIZE STREQUAL "leak")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=leak")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=leak")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=leak")
elseif (SANITIZE STREQUAL "memory")
set (MSAN_FLAGS "-fsanitize=memory -fsanitize-memory-track-origins -fno-optimize-sibling-calls")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MSAN_FLAGS}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MSAN_FLAGS}")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=memory")
if (COMPILER_GCC)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static-libmsan")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libmsan")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libmsan")
endif ()
elseif (SANITIZE STREQUAL "undefined")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined -fno-sanitize-recover=all")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=undefined -fno-sanitize-recover=all")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=undefined")
if (COMPILER_GCC)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static-libubsan")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libubsan")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libubsan")
endif ()
else ()
message (FATAL_ERROR "Unknown sanitizer type: ${SANITIZE}")
endif ()
endforeach ()
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SAN_FLAGS}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SAN_FLAGS}")
message (STATUS "Add sanitizer: ${SANITIZE}")
# Disable sanitizing on make stage e.g. for snowball compiler
set (ENV{ASAN_OPTIONS} "detect_leaks=0")
message (STATUS "Sanitizer CFLAGS: ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
message (STATUS "Sanitizer CXXFLAGS: ${CMAKE_CXX_FLAGS} ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
endif()
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