target_compile_definitions(ossia PUBLIC
      _HAS_AUTO_PTR_ETC=1
      _HAS_DEPRECATED_NEGATORS=1 # boost.graph needs std::not1...
      _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS=1

      # Boost.Asio separate compilation only enabled on windows due to
      # https://github.com/chriskohlhoff/asio/issues/820
      BOOST_ASIO_SEPARATE_COMPILATION=1
    )