ERROR! Libpcap library/headers not found, go get it from

   http://www.tcpdump.org

   or use the --with-libpcap-* options, if you have it installed
   in unusual place
执行yum -y install libpcap libpcap-devel
出现checking for pcre.h... no

   ERROR! Libpcre header not found, go get it from

   http://www.pcre.org
执行yum -y install pcre pcre-devel