Resolving dependencies... cabal: Could not resolve dependencies: trying: gi-gdk-3.0.14 (dependency of Gifcurry-2.2.0.0) next goal: haskell-gi (dependency of gi-gdk-3.0.14) rejecting: haskell-gi-0.20.3, haskell-gi-0.20.2, haskell-gi-0.20.1 (conflict: requires pkg-config package gobject-introspection-1.0>=1.32, not found in the pkg-config database) rejecting: haskell-gi-0.20, haskell-gi-0.18, haskell-gi-0.17.4, haskell-gi-0.17.3, haskell-gi-0.17.2, haskell-gi-0.17.1, haskell-gi-0.17, haskell-gi-0.15, haskell-gi-0.14, haskell-gi-0.13, haskell-gi-0.12, haskell-gi-0.11, haskell-gi-0.10.2, haskell-gi-0.10.1, haskell-gi-0.10, haskell-gi-0.9, haskell-gi-0.8 (conflict: gi-gdk => haskell-gi>=0.20.1 && <1) Dependency tree exhaustively searched.