boost_config.hpp

// http://stackoverflow.com/questions/22597948/using-boostfuture-with-then-continuations/
#ifndef BOOST_THREAD_PROVIDES_FUTURE
#define BOOST_THREAD_PROVIDES_FUTURE
#endif
#ifndef BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
#define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
#endif
#ifndef BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY
#define BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY
#endif

#include <boost/thread/future.hpp>