gcc src/config.c -o build/config
错误日志:/usr/bin/ld: cannot open output file build/config: No such file or directory
collect2: error: ld returned 1 exit status
解决方案:新建build目录
错误日志:fatal error: tcpd.h: No such file or directory.
解决方案:安装libwrap0-dev(Debian 上的名称)