- configure ファイルを生成する
$ sudo yum update -y
$ cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)
$ sudo yum -y groupinstall 'Development Tools'
$ sudo yum -y install wget git ed libtool-ltdl-devel
$ cd /usr/local/src
$ sudo wget https://github.com/squid-cache/squid/archive/SQUID_4_0_21.tar.gz
$ sudo tar zxvf SQUID_4_0_21.tar.gz
$ cd squid-SQUID_4_0_21
$ sudo ./bootstrap.sh