报错信息：
make: * 没有指明目标并且找不到 makefile。

解决方案：
  你缺少一些依赖库，把下面这几个都安装一下，就可以解决问题。

[root@localhost keepalived-2.2.2]# yum -y install make
[root@localhost keepalived-2.2.2]# yum install gcc-c++
[root@localhost keepalived-2.2.2]# yum install -y pcre pcre-devel
[root@localhost keepalived-2.2.2]# yum install -y zlib zlib-devel
[root@localhost keepalived-2.2.2]# yum install -y openssl openssl-devel
# 最后执行这个命令就解决问题了
[root@localhost keepalived-2.2.2]# ./configure