+echo $ac_n "checking whether to enable the /dev/poll event engine""... $ac_c" 1>&6
+echo "configure:3244: checking whether to enable the /dev/poll event engine" >&5
+# Check whether --enable-devpoll or --disable-devpoll was given.
+if test "${enable_devpoll+set}" = set; then
+ enableval="$enable_devpoll"
+ unet_cv_enable_devpoll=$enable_devpoll
+else
+ if eval "test \"`echo '$''{'unet_cv_enable_devpoll'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ unet_cv_enable_devpoll=no
+fi
+
+fi
+
+
+if test x"$ac_cv_header_sys_devpoll_h" = xno; then
+ unet_cv_enable_devpoll=no
+fi
+
+echo "$ac_t""$unet_cv_enable_devpoll" 1>&6
+
+if test x"$unet_cv_enable_devpoll" != xno; then
+ cat >> confdefs.h <<\EOF
+#define USE_DEVPOLL
+EOF
+
+ ENGINE_C="engine_devpoll.c $ENGINE_C"
+fi
+
+echo $ac_n "checking whether to enable the kqueue event engine""... $ac_c" 1>&6
+echo "configure:3274: checking whether to enable the kqueue event engine" >&5
+# Check whether --enable-kqueue or --disable-kqueue was given.
+if test "${enable_kqueue+set}" = set; then
+ enableval="$enable_kqueue"
+ unet_cv_enable_kqueue=$enable_kqueue
+else
+ if eval "test \"`echo '$''{'unet_cv_enable_kqueue'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ unet_cv_enable_kqueue=no
+fi
+
+fi
+
+
+if test x"$ac_cv_header_sys_event_h" = xno -o x"$ac_cv_func_kqueue" = xno; then
+ unet_cv_enable_kqueue=no
+fi
+
+echo "$ac_t""$unet_cv_enable_kqueue" 1>&6
+
+if test x"$unet_cv_enable_kqueue" != xno; then
+ cat >> confdefs.h <<\EOF
+#define USE_KQUEUE
+EOF
+
+ ENGINE_C="engine_kqueue.c $ENGINE_C"
+fi
+