autoreconf: command not found

[root@ansible-client1 n2n-dev]# ./autogen.sh
Wait please...
./autogen.sh: line 6: autoreconf: command not found
[root@ansible-client1 n2n-dev]# cat autogen.sh
#!/usr/bin/env bash

rm -f include/config.h include/config.h.in include/config.h.in~ Makefile configure

echo "Wait please..."
autoreconf -if
[root@ansible-client1 n2n-dev]# yum -y install autoconf automake libtool
需要安装autoconf

现在就不报错了