在CentOS7.x准备编译cmake的时候，configure报错
Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_LIBRARIES OPENSSL_INCLUDE_DIR)
检查openssl有安装，这时候只需要再安装一次openssl的编译依赖
yum -y install openssl-devel
再执行configure就不报错了。注意环境是：CentOS7.x