单独下载的Qt library则一般不带SSL（包括QT FAQ）

http://www.cnblogs.com/E7868A/archive/2012/11/15/2771501.html

http://www.oldcai.com/archives/208

http://qt-project.org/faq/answer/how_can_i_add_ssl_support_to_my_qt_application

搜索：qt openssl 编译

http://blog.****.net/cibiren2011/article/details/10095021