message: cmake(plugins): build without opencv_*.so on OSX
diff: @@ -78,8 +78,10 @@ function(ocv_create_plugin module default_name dependency_target dependency_targ
  set_target_properties(${OPENCV_PLUGIN_NAME} PROPERTIES PREFIX "${OPENCV_PLUGIN_MODULE_PREFIX}")
  endif()
  + if(APPLE)
  + set_target_properties(${OPENCV_PLUGIN_NAME} PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
  + elseif(WIN32)
  # Hack for Windows only, Linux/MacOS uses global symbol table (without exact .so binding)
  - if(WIN32)
  find_package(OpenCV REQUIRED ${module} ${OPENCV_PLUGIN_DEPS})
  target_link_libraries(${OPENCV_PLUGIN_NAME} PRIVATE ${OpenCV_LIBRARIES})
  endif()
  