sys_select [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]
sys_time [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]
errno [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]
sys_select [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]
sys_time [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]
errno [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]