| 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() | |
| get_property(SANITIZER_CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE) | |
| string(REPLACE " " ";" SANITIZER_CXX_FLAGS "${SANITIZER_CXX_FLAGS}") | |
| list(APPEND CLANG_COMMAND ${SANITIZER_CXX_FLAGS}) | |
| execute_process( | |
| COMMAND ${CLANG_COMMAND} | |
| RESULT_VARIABLE HAD_ERROR | |
| OUTPUT_VARIABLE LIBRARY_FILE | |
| ) | |
| string(STRIP "${LIBRARY_FILE}" LIBRARY_FILE) | |
| file(TO_CMAKE_PATH "${LIBRARY_FILE}" LIBRARY_FILE) | |
| string(REPLACE "builtins" "${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() |