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https://github.com/ceph/ceph
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fc6f35a840
* cmake/modules/FindSanitizers.cmake: do not pollute CMAKE_REQUIRED_FLAGS * cmake/modules/FindSanitizers.cmake: expose Sanitizers_COMPILE_OPTIONS as a list * CMakeLists.txt: append Sanitizers_COMPILE_OPTIONS to *_LINKER_FLAGS after replacing ";" with " " in it. Signed-off-by: Kefu Chai <kchai@redhat.com>
81 lines
2.8 KiB
CMake
81 lines
2.8 KiB
CMake
if(NOT Sanitizers_FIND_COMPONENTS)
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set(Sanitizers_FIND_COMPONENTS
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address undefined_behavior)
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endif()
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if(HAVE_JEMALLOC)
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message(WARNING "JeMalloc does not work well with sanitizers")
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endif()
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set(Sanitizers_COMPILE_OPTIONS)
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foreach(component ${Sanitizers_FIND_COMPONENTS})
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if(component STREQUAL "address")
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set(Sanitizers_address_COMPILE_OPTIONS "-fsanitize=address")
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elseif(component STREQUAL "leak")
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set(Sanitizers_leak_COMPILE_OPTIONS "-fsanitize=leak")
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elseif(component STREQUAL "thread")
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if ("address" IN_LIST ${Sanitizers_FIND_COMPONENTS} OR
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"leak" IN_LIST ${Sanitizers_FIND_COMPONENTS})
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message(SEND_ERROR "Cannot combine -fsanitize-leak w/ -fsanitize-thread")
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elseif(NOT CMAKE_POSITION_INDEPENDENT_CODE)
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message(SEND_ERROR "TSan requires all code to be position independent")
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endif()
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set(Sanitizers_thread_COMPILE_OPTIONS "-fsanitize=thread")
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elseif(component STREQUAL "undefined_behavior")
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88684
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set(Sanitizers_undefined_behavior_COMPILE_OPTIONS "-fsanitize=undefined;-fno-sanitize=vptr")
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else()
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message(SEND_ERROR "Unsupported sanitizer: ${component}")
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endif()
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list(APPEND Sanitizers_COMPILE_OPTIONS "${Sanitizers_${component}_COMPILE_OPTIONS}")
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endforeach()
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if(Sanitizers_address_COMPILE_OPTIONS OR Sanitizers_leak_COMPILE_OPTIONS)
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# ASAN_LIBRARY will be read by ceph.in to preload the asan library
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find_library(ASAN_LIBRARY
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NAMES
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libasan.so.5
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libasan.so.4
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libasan.so.3)
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endif()
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if(Sanitizers_COMPILE_OPTIONS)
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list(APPEND Sanitizers_COMPILE_OPTIONS
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"-fno-omit-frame-pointer")
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endif()
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include(CheckCXXSourceCompiles)
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include(CMakePushCheckState)
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cmake_push_check_state()
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string (REPLACE ";" " " CMAKE_REQUIRED_FLAGS "${Sanitizers_COMPILE_OPTIONS}")
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set(CMAKE_REQUIRED_LIBRARIES ${Sanitizers_COMPILE_OPTIONS})
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check_cxx_source_compiles("int main() {}"
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Sanitizers_ARE_SUPPORTED)
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cmake_pop_check_state()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Sanitizers
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REQUIRED_VARS
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Sanitizers_COMPILE_OPTIONS
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Sanitizers_ARE_SUPPORTED)
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if(Sanitizers_FOUND)
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if(NOT TARGET Sanitizers::Sanitizers)
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add_library(Sanitizers::Sanitizers INTERFACE IMPORTED)
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set_target_properties(Sanitizers::Sanitizers PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${Sanitizers_COMPILE_OPTIONS}"
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INTERFACE_LINK_LIBRARIES "${Sanitizers_COMPILE_OPTIONS}")
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endif()
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foreach(component ${Sanitizers_FIND_COMPONENTS})
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if(NOT TARGET Sanitizers::${component})
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set(target Sanitizers::${component})
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set(compile_option "${Sanitizers_${component}_COMPILE_OPTIONS}")
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add_library(${target} INTERFACE IMPORTED)
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set_target_properties(${target} PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${compile_option}"
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INTERFACE_LINK_LIBRARIES "${compile_option}")
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endif()
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endforeach()
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endif()
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