Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: bindings-portaudio (user goal)
rejecting: bindings-portaudio-0.1, bindings-portaudio-0.0.2 (constraint from
user target requires ==0.0.1)
rejecting: bindings-portaudio-0.0.1 (conflict: requires pkg-config package
portaudio-2.0-any, not found in the pkg-config database)
rejecting: bindings-portaudio-0 (constraint from user target requires ==0.0.1)
Dependency tree exhaustively searched.