Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] next goal: hgdal (user goal)
[__0] rejecting: hgdal-1.0.0.0 (conflict: pkg-config package gdal-any, not
found in the pkg-config database)
[__0] fail (backjumping, conflict set: hgdal)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: hgdal