PHP编译错误解决：Don't know how to define struct flock on this system, set --enable-opcache=no

编译PHP5.6.16时出现了这个错误：

Don't know how to define struct flock on this system, set --enable-opcache=no

解决方法：

ln -s /usr/local/mysql/lib/libmysqlclient.so /usr/lib/
ln -s /usr/local/mysql/lib/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.18