Ubuntu常见错误问题的解决方法小结

一、下载 http://www.tcpdump.org/#latest-release，下载libcap-1.8.1.tar.gz, 解压缩之后

错误１: ./configure

checking for getifaddrs... yes

checking ifaddrs.h usability... yes

checking ifaddrs.h presence... yes

checking for ifaddrs.h... yes

checking for socklen_t... yes

checking for getaddrinfo... yes

checking whether to build optimizer debugging code... no

checking whether to build parser debugging code... no

checking whether we have dag api headers... no

checking whether we have septel api headers... no

checking whether we have myricom sniffer api... no

checking whether turbocap is supported... no

checking for flex... no

checking for lex... no

configure: error: neither flex nor lex was found.

核心错误信息为：　