#define BOOST_THREAD_EXECUTORS_SCHEDULER_HPP
#include <boost/thread/detail/config.hpp>
+#if defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION && defined BOOST_THREAD_PROVIDES_EXECUTORS && defined BOOST_THREAD_USES_MOVE
#include <boost/thread/executors/detail/scheduled_executor_base.hpp>
#include <boost/chrono/time_point.hpp>
#include <boost/config/abi_suffix.hpp>
#endif
+#endif