message: Do not export onnx symbols in the python extension
diff: @@ -345,6 +345,8 @@ if(BUILD_ONNX_PYTHON)
  target_link_libraries(onnx_cpp2py_export
  PRIVATE "-Wl,--whole-archive" $<TARGET_FILE:onnx>
  "-Wl,--no-whole-archive")
  + set_target_properties(onnx_cpp2py_export
  + PROPERTIES LINK_FLAGS "-Wl,--exclude-libs,ALL")
  endif()
  target_link_libraries(onnx_cpp2py_export PRIVATE onnx)
  