Having built with debug symbols, I can confirm this bug: we're invoking PortAudio even when Pulse is active.
Maybe the best solution at this point would be to ask upstream to sort out the code in src/wave.cpp. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org