Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gi-soup (user goal)
rejecting: 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 (constraint from user
target requires ==0.2.50.8)
rejecting: gi-soup-0.2.50.8 (conflict: requires pkg-config package
libsoup-2.4>=2.50, not found in the pkg-config database)
Dependency tree exhaustively searched.