#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/signals/connection.hpp>
-#include <boost/signals/signal0.hpp>
-#include <boost/signals/signal1.hpp>
-#include <boost/signals/signal2.hpp>
+#include <boost/signal.hpp>
#include <boost/signals/trackable.hpp>
#include <boost/test/detail/nullstream.hpp>
#include <boost/tokenizer.hpp>
#include <boost/utility.hpp>
#include <fcntl.h>
-#include <sys/select.h>
-#include <sys/stat.h>
-#include <sys/time.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
#include <algorithm>
#include <cerrno>