message: [c++ comm] Suppress deprecated 'OSMemoryBarrier' on macOS
diff: #include <boost/algorithm/string/classification.hpp>
  #include <boost/asio/ip/address.hpp>
  -#ifdef _MSC_VER
  +#if defined (__APPLE__)
  + // Work-around: 'OSMemoryBarrier' has been explicitly marked deprecated
  + #pragma GCC diagnostic push
  + #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
  + #include <boost/asio/ip/tcp.hpp>
  + #pragma GCC diagnostic pop
  +#elif defined (_MSC_VER)
  #pragma warning(push)
  #pragma warning(disable: 4242) // C4242: 'identifier' : conversion from 'type1' to 'type2', possible loss of data
  #include <boost/asio/ip/tcp.hpp>
  