When compiling Qt you can choose one of these options based on the configure command line:

no OpenSSL support (-no-openssl)
QtNetwork dynamically opening OpenSSL libs (-openssl; default)
QtNetwork linking to OpenSSL (-openssl-linked)
The last one means dynamic linking (if Qt is built as a shared library), or static linking (when doing a static build of Qt, i.e. -static).

So the ""solution"" to your problem is passing -static -openssl-linked to Qt‘s configure.

http://stackoverflow.com/questions/14566212/about-compiling-openssl-inside-qt-application

Qt静态编译时使用OpenSSL有三种方式（不使用，动态使用，静态使用，默认是动态使用）