Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] next goal: gi-soup (user goal)
[__0] rejecting: gi-soup-2.4.23 (conflict: pkg-config package libsoup-2.4-any,
not found in the pkg-config database)
[__0] rejecting: gi-soup-2.4.22, gi-soup-2.4.21, gi-soup-2.4.20,
gi-soup-2.4.19, gi-soup-2.4.18, gi-soup-2.4.16, gi-soup-2.4.15,
gi-soup-2.4.14, gi-soup-2.4.13, gi-soup-2.4.12, gi-soup-2.4.11,
gi-soup-2.4.10, gi-soup-2.4.9, gi-soup-2.4.8, gi-soup-2.4.7, gi-soup-2.4.6,
gi-soup-2.4.5, gi-soup-2.4.4, gi-soup-2.4.3, gi-soup-2.4.2, gi-soup-2.4.1,
gi-soup-0.2.52.15, gi-soup-0.2.52.14, gi-soup-0.2.52.13, gi-soup-0.2.52.12,
gi-soup-0.2.52.10, gi-soup-0.2.50.12, gi-soup-0.2.50.11, gi-soup-0.2.50.10,
gi-soup-0.2.50.9, gi-soup-0.2.50.8 (constraint from user target requires
==2.4.23)
[__0] fail (backjumping, conflict set: gi-soup)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: gi-soup