message: Find only shared IE libraries, not plugins
  original commit:
diff: @@ -68,7 +68,13 @@ function(add_custom_ie_build _inc _lib _lib_rel _lib_dbg _msg)
  if(find_prefix STREQUAL "_empty_") # foreach doesn't iterate over empty elements
  set(find_prefix "")
  endif()
  - foreach(find_suffix ${CMAKE_FIND_LIBRARY_SUFFIXES})
  + if(NOT DEFINED INFERENCE_ENGINE_FIND_LIBRARY_SUFFIXES) # allow custom override
  + set(INFERENCE_ENGINE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
  + if(APPLE)
  + ocv_list_filterout(INFERENCE_ENGINE_FIND_LIBRARY_SUFFIXES "^.so$") # skip plugins (can't be linked)
  + endif()
  + endif()
  + foreach(find_suffix ${INFERENCE_ENGINE_FIND_LIBRARY_SUFFIXES})
  ocv_ie_find_extra_libraries("${find_prefix}" "${find_suffix}")
  endforeach()
  if(NOT CMAKE_FIND_LIBRARY_SUFFIXES)
  