lt_dlopenext and lt_dlsym are 2 functions LTDL which serve respectively to obtain handle to the library LTDL and the function Init (one library made ​​using LTDL). Mode instead of using Qt to create and use your own static library, I do not know where to start to do the same thing LTDL. This transformation is necessary because I want to make a port of the entire project using Qt. This project is Player-Stage that I mentioned in another post in which I asked about FLTK. I would be able to compile Qt, but there is this part