Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gi-notify (user goal)
rejecting: gi-notify-0.7.6, gi-notify-0.7.5, gi-notify-0.7.4, gi-notify-0.7.3,
gi-notify-0.7.2, gi-notify-0.7.1, gi-notify-0.2.32.15, gi-notify-0.2.32.14,
gi-notify-0.2.32.13, gi-notify-0.2.32.12, gi-notify-0.2.32.10,
gi-notify-0.2.31.12, gi-notify-0.2.31.11, gi-notify-0.2.31.10 (constraint from
user target requires ==0.2.31.9)
rejecting: gi-notify-0.2.31.9 (conflict: requires pkg-config package
gdk-pixbuf-2.0>=2.31, not found in the pkg-config database)
rejecting: gi-notify-0.2.31.8 (constraint from user target requires
==0.2.31.9)
Dependency tree exhaustively searched.