##AC_HEADER_STDC
##AC_HEADER_SYS_WAIT
##AC_HEADER_TIME
-AC_CHECK_HEADERS(iostream list vector stdexcept)
+AC_CHECK_HEADERS(sys/select.h sys/socket.h iostream list vector stdexcept)
AC_CHECK_HEADERS(boost/thread/mutex.hpp \
boost/date_time/posix_time/posix_time.hpp \
boost/test/auto_unit_test.hpp)