Teeworlds currently uses version 4.something, current distributions ship version 5.
```
../src/engine/client/sound.cpp: In static member function ‘static int CSound::DecodeWV(int, const void, unsigned int)’:
../src/engine/client/sound.cpp:485:50: error: cannot convert ‘int ()(void, int)’ to ‘const char’ for argument ‘1’ to ‘WavpackContext* WavpackOpenFileInput(const char, char, int, int)’
pContext = WavpackOpenFileInput(ReadData, aError);
...