错误: configure: error: libevent >= 1.4.11 could not be found 
解决: yum -y install libevent libevent-devel
错误：configure: error: xml2-config not found. please check your libxml2 installation. 
解决: yum -y install libxml2 libxml2-devel
错误: configure: error: mcrypt.h not found. please reinstall libmcrypt.  
 解决: yum install libmcrypt libmcrypt-devel
错误: configure: error: please reinstall the libcurl distribution - easy.h should be in <curl-dir>/include/curl/  
 解决: yum -y install curl-devel
错误: if configure fails try --with-jpeg-dir=  configure: error: libpng.(a|so) not found. 
解决: yum -y install libpng-devel
错误: /usr/bin/ld: cannot find -lltdl  collect2: ld returned 1 exit status  
解决: yum -y install libtool-ltdl-devel
主要是一些库没安装的原因。