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function(find_compiler_rt_library name variable)
set(CLANG_COMMAND ${CMAKE_CXX_COMPILER} ${SANITIZER_COMMON_CFLAGS}
"--rtlib=compiler-rt" "--print-libgcc-file-name")
if (CMAKE_CXX_COMPILER_ID MATCHES Clang AND CMAKE_CXX_COMPILER_TARGET)
list(APPEND CLANG_COMMAND "--target=${CMAKE_CXX_COMPILER_TARGET}")
endif()
execute_process(
COMMAND ${CLANG_COMMAND}
RESULT_VARIABLE HAD_ERROR
OUTPUT_VARIABLE LIBRARY_FILE
)
string(STRIP "${LIBRARY_FILE}" LIBRARY_FILE)
string(REPLACE "builtins" "${name}" LIBRARY_FILE "${LIBRARY_FILE}")
if (NOT HAD_ERROR AND EXISTS "${LIBRARY_FILE}")
message(STATUS "Found compiler-rt ${name} library: ${LIBRARY_FILE}")
set(${variable} "${LIBRARY_FILE}" PARENT_SCOPE)
else()
message(STATUS "Failed to find compiler-rt ${name} library")
endif()
endfunction()
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