Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] next goal: libphonenumber (user goal)
[__0] rejecting: libphonenumber-0.1.4.0 (conflict: pkg-config package
protobuf-any, not found in the pkg-config database)
[__0] rejecting: libphonenumber-0.1.3.0, libphonenumber-0.1.2.0,
libphonenumber-0.1.1.0, libphonenumber-0.1.0.0 (constraint from user target
requires ==0.1.4.0)
[__0] fail (backjumping, conflict set: libphonenumber)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: libphonenumber