+poll-h
+alloca [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]
+select [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]
+sockets [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]
+msvc-nothrow [test $HAVE_POLL = 0 || test $REPLACE_POLL = 1]