Jan> Raymond Toy <toy(a)rtp.ericsson.se&gt; writes: Jan> I don't know really. Note that there a lot of audio libraries named Jan> libaudio so would have to do some magic with nm to find out what kind Jan> it actaully is. Why would you have to do that? Wouldn't configure just try to compile something like #include <appropriate headers> main() { AuSoundPlayFromFile(<appropriate args>); } to see if this is NAS. We'd have to pick some appropriate function, of course. Ray