-AC_CHECK_FUNC(poll, [AC_DEFINE(USE_POLL, 1, [poll() function is available])], )
+case $host_os in
+ # darwin has poll() but can't be used to poll character devices
+ # darwin10 (SnowLeopard) should be tested as well once released
+ darwin7*) ;; darwin8*) ;; darwin9*) ;;
+ *)
+ AC_CHECK_FUNC(poll, [AC_DEFINE(USE_POLL, 1, [poll() function is available])], )
+ ;;
+esac