当mcrypt安装遇到
configure: error: “You need at least libmhash 0.8.15 to compile this program. http://mhash.sf.net/”
错误时候，可以使用以下方式进行解决
$ export LD_LIBRARY_PATH=/usr/local/lib
$ export LDFLAGS="-L/user/local/lib/ -I/usr/local/include/"
$ export CFLAGS="-I/usr/local/include/"