Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: bustle (user goal)
rejecting: bustle-0.6.2 (conflict: requires pkg-config package glib-2.0>=2.44,
not found in the pkg-config database)
rejecting: bustle-0.6.1, bustle-0.5.4, bustle-0.5.3, bustle-0.5.2,
bustle-0.5.1, bustle-0.5.0, bustle-0.4.8, bustle-0.4.7, bustle-0.4.6,
bustle-0.4.5, bustle-0.4.4, bustle-0.4.3 (constraint from user target requires
==0.6.2)
Dependency tree exhaustively searched.