请问php连接SAP的扩展saprfc如何安装？

Question

http://www.rgiapratama.net/2011/08/22/saprfc-php-5-2-10-centos-5-4-64bit/
上面地址是一个saprfc安装教程，但需要下载SAP RFCSDK，和librfc，童鞋也帮忙找了，都没找到，还请使用过得童鞋指点迷津，分享资源，谢谢。
系统环境：ubuntu 14 php:5.5.9

PHP中文网 · Answer

SAP RFCSDK 需要一定权限才能下载，请求SAP同事协助

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