Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gi-webkit (user goal)
rejecting: gi-webkit-3.0.6, gi-webkit-3.0.5, gi-webkit-3.0.4, gi-webkit-3.0.3,
gi-webkit-3.0.2, gi-webkit-3.0.1, gi-webkit-0.2.4.15, gi-webkit-0.2.4.14,
gi-webkit-0.2.4.13, gi-webkit-0.2.4.12, gi-webkit-0.2.4.11 (constraint from
user target requires ==0.2.4.10)
trying: gi-webkit-0.2.4.10
next goal: gi-cairo (dependency of gi-webkit-0.2.4.10)
rejecting: gi-cairo-1.0.6, gi-cairo-1.0.5, gi-cairo-1.0.4, gi-cairo-1.0.3,
gi-cairo-1.0.2, gi-cairo-1.0.1 (conflict: gi-webkit => gi-cairo>=0.1.14.10 &&
<0.2)
rejecting: gi-cairo-0.1.14.15, gi-cairo-0.1.14.14, gi-cairo-0.1.14.13,
gi-cairo-0.1.14.12, gi-cairo-0.1.14.11, gi-cairo-0.1.14.10 (conflict: requires
pkg-config package cairo-gobject>=1.14, not found in the pkg-config database)
rejecting: gi-cairo-0.1.14.9, gi-cairo-0.1.14.8 (conflict: gi-webkit =>
gi-cairo>=0.1.14.10 && <0.2)
Dependency tree exhaustively searched.