报错信息如下：
make[1]: * [Expat.o] Error 1 make[1]: Leaving directory `/root/XML-Parser-2.44/Expat' make: * [subdirs] Error 2
解决办法安装expat：
wget http://down.whsir.com/downloads/expat-2.1.0.tar.gztar zxf expat-2.1.0.tar.gzcd expat-2.1.0./configure --prefix=/usrmake && make install
