Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: call (user goal)
rejecting: call-0.1.4.2, call-0.1.4.1, call-0.1.4, call-0.1.3, call-0.1.2,
call-0.1.1.3, call-0.1.1.2, call-0.1.1.1, call-0.1.1, call-0.1.0.1, call-0.1
(constraint from user target requires ==0.0.1)
trying: call-0.0.1
next goal: bindings-portaudio (dependency of call-0.0.1)
rejecting: bindings-portaudio-0.1, bindings-portaudio-0.0.2,
bindings-portaudio-0.0.1, bindings-portaudio-0 (conflict: requires pkg-config
package portaudio-2.0-any, not found in the pkg-config database)
Dependency tree exhaustively searched.