Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: soxlib (user goal)
rejecting: soxlib-0.0.3 (conflict: requires pkg-config package sox>=14.3 &&
<14.5, not found in the pkg-config database)
rejecting: soxlib-0.0.2.1, soxlib-0.0.2, soxlib-0.0.1.2, soxlib-0.0.1.1,
soxlib-0.0.1, soxlib-0.0 (constraint from user target requires ==0.0.3)
Dependency tree exhaustively searched.