configure: error: Don’t know how to define struct flock on this system, set –enable-opcache=no

解决方法： 
sudo ln -s /usr/local/mysql/lib/libmysqlclient.so /usr/lib/ 
sudo ln -s /usr/local/mysql/lib/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.18