1、安装libevent
wget https://github.com/libevent/libevent/releases/download/release-2.1.8-stable/libevent-2.1.8-stable.tar.gz
tar -zxvf libevent-2.1.8-stable.tar.gz
cd libevent-2.1.8-stable
./configure --prefix=/usr/local/libevent
make && make install
2、安装memcached
wget http://www.memcached.org/files/memcached-1.4.35.tar.gz
tar -zxvf memcached-1.4.35.tar.gz
cd memcached-1.4.35
./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent
make && make install