Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gi-glib (user goal)
rejecting: gi-glib-2.0.6 (constraint from user target requires ==2.0.5)
trying: gi-glib-2.0.5
next goal: gi-glib-setup.haskell-gi (dependency of gi-glib-2.0.5)
rejecting: gi-glib-setup.haskell-gi-0.18, gi-glib-setup.haskell-gi-0.17.4
(conflict: requires pkg-config package gobject-introspection-1.0>=1.32, not
found in the pkg-config database)
rejecting: gi-glib-setup.haskell-gi-0.17.3 (conflict: requires pkg-config
package gobject-introspection-1.0>=1.42, not found in the pkg-config database)
rejecting: gi-glib-setup.haskell-gi-0.17.2, gi-glib-setup.haskell-gi-0.17.1,
gi-glib-setup.haskell-gi-0.17, gi-glib-setup.haskell-gi-0.15,
gi-glib-setup.haskell-gi-0.14, gi-glib-setup.haskell-gi-0.13,
gi-glib-setup.haskell-gi-0.12, gi-glib-setup.haskell-gi-0.11,
gi-glib-setup.haskell-gi-0.10.2, gi-glib-setup.haskell-gi-0.10.1,
gi-glib-setup.haskell-gi-0.10, gi-glib-setup.haskell-gi-0.9,
gi-glib-setup.haskell-gi-0.8 (conflict: gi-glib =>
gi-glib-setup.haskell-gi>=0.17.3 && <1)
Dependency tree exhaustively searched.