检查编辑环境
./configure 出现错误：， 没有ARP
checking for APR... no
configure: error: APR not found. Please read the documentation.解决办法: 下载相关的软件包：
wget http://archive.apache.org/dist/apr/apr-1.4.5.tar.gz
wget http://archive.apache.org/dist/apr/apr-util-1.3.12.tar.gz
wget http://jaist.dl.sourceforge.net/project/pcre/pcre/8.10/pcre-8.10.zip 编译安装：
yum remove apr-util-devel apr apr-util-mysql apr-docs apr-devel apr-util apr-util-docs 具体步骤如下： a:解决apr not found问题>>>>>>
