Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] next goal: gi-gtksource (user goal)
[__0] rejecting: gi-gtksource-3.0.25 (conflict: pkg-config package
gtksourceview-3.0-any, not found in the pkg-config database)
[__0] rejecting: gi-gtksource-3.0.24, gi-gtksource-3.0.23,
gi-gtksource-3.0.22, gi-gtksource-3.0.21, gi-gtksource-3.0.20,
gi-gtksource-3.0.19, gi-gtksource-3.0.18, gi-gtksource-3.0.16,
gi-gtksource-3.0.15, gi-gtksource-3.0.14, gi-gtksource-3.0.13,
gi-gtksource-3.0.12, gi-gtksource-3.0.11, gi-gtksource-3.0.10,
gi-gtksource-3.0.9, gi-gtksource-3.0.8, gi-gtksource-3.0.7,
gi-gtksource-3.0.6, gi-gtksource-3.0.5, gi-gtksource-3.0.4,
gi-gtksource-3.0.3, gi-gtksource-3.0.2, gi-gtksource-3.0.1,
gi-gtksource-0.3.18.15, gi-gtksource-0.3.18.14 (constraint from user target
requires ==3.0.25)
[__0] fail (backjumping, conflict set: gi-gtksource)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: gi-gtksource