linuxcentos5.8安装memcached

checking for libevent directory... configure: error: libevent is required. You can get it from http://www.monkey.org/~provos/libevent/
 If it's already installed, specify its path using --with-libevent=/dir/

wget http://memcached.googlecode.com/files/memcached-1.4.15.tar.gz
tar zxvf memcached-1.4.15.tar.gz
cd memcached-1.4.15
./configure --prefix=/opt/memcached-1.4.15
make
make install
ln -s /opt/memcached-1.4.15 /opt/memcached

PORT="11200"
IP="192.168.0.40"
USER="root"
MAXCONN="1524"
CACHESIZE="3000"
OPTIONS=""
#memcached

#!/bin/bash
#
# Save me to /etc/init.d/memcached
# And add me to system start
# chmod +x memcached
# chkconfig --add memcached
# chkconfig --level 35 memcached on
#
# Written by lei
#
# chkconfig: - 80 12
# description: Distributed memory caching daemon
#
# processname: memcached
# config: /usr/local/memcached/my.conf
source /etc/rc.d/init.d/functions
### Default variables
PORT="11211"
IP="192.168.0.40"
USER="root"
MAXCONN="1524"
CACHESIZE="64"
OPTIONS=""
SYSCONFIG="/opt/memcached/my.conf"
### Read configuration
[ -r "$SYSCONFIG" ] && source "$SYSCONFIG"
RETVAL=0
prog="/opt/memcached/bin/memcached"
desc="Distributed memory caching"
start() {
 echo -n $"Starting $desc ($prog): "
 daemon $prog -d -p $PORT -l $IP -u $USER -c $MAXCONN -m $CACHESIZE $OPTIONS
 RETVAL=$?
 echo
 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/memcached
 return $RETVAL
}
stop() {
 echo -n $"Shutting down $desc ($prog): "
 killproc $prog
 RETVAL=$?
 echo
 [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/memcached
 return $RETVAL
}
restart() {
 stop
 start
}
reload() {
 echo -n $"Reloading $desc ($prog): "
 killproc $prog -HUP
 RETVAL=$?
 echo
 return $RETVAL
}
case "$1" in
 start)
 start
 ;;
 stop)
 stop
 ;;
 restart)
 restart
 ;;
 condrestart)
 [ -e /var/lock/subsys/$prog ] && restart
 RETVAL=$?
 ;;
 reload)
 reload
 ;;
 status)
 status $prog
 RETVAL=$?
 ;;
 *)
 echo $"Usage: $0 {start|stop|restart|condrestart|status}"
 RETVAL=1
esac
exit $RETVAL

iptables -A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 11200 -j ACCEPT