Qt with MinGW and Glew crash

[nexor]

I was trying to create a project that uses MinGW and Glew instead of OpenGL ES. Now I could get it working without any errors but when I start my application, it crashes instantly saying it could not find an entry point in Qt5OpenGLd.dll.
Now when I ran ld.exe on my executable, it said this:

multiple definition of `_imp___ZTVN10__cxxabiv121__vmi_class_type_infoE'
first defined here
multiple definition of `_imp___ZTVN10__cxxabiv117__class_type_infoE'
first defined here
multiple definition of `_imp___ZTVN10__cxxabiv120__si_class_type_infoE'
first defined here

What other info should I provide?