在这里我列举两种安装方法，经过我尝试，这两种方法都可以成功安装qt4.4.3，但是由于要把qt移植到开发板，所以个人推荐第二种安装方法，第一种方法未必不适合移植，但没有试过，有兴趣的读者可以自己尝试。-Here, I cite two installation methods, after I tried both methods can be successfully installed qt4.4.3, but due to the development board should qt transplant, so personally recommend the second installation method, the first method does not necessarily suitable for transplant, but not tried, interested readers can try it yourself.