Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gi-javascriptcore (user goal)
rejecting: gi-javascriptcore-4.0.6, gi-javascriptcore-4.0.5,
gi-javascriptcore-4.0.4, gi-javascriptcore-4.0.3, gi-javascriptcore-4.0.2,
gi-javascriptcore-4.0.1 (constraint from user target requires ==3.0.6)
trying: gi-javascriptcore-3.0.6
next goal: gi-javascriptcore-setup.haskell-gi (dependency of
gi-javascriptcore-3.0.6)
rejecting: gi-javascriptcore-setup.haskell-gi-0.18 (conflict: requires
pkg-config package gobject-introspection-1.0>=1.32, not found in the
pkg-config database)
rejecting: gi-javascriptcore-setup.haskell-gi-0.17.4,
gi-javascriptcore-setup.haskell-gi-0.17.3,
gi-javascriptcore-setup.haskell-gi-0.17.2,
gi-javascriptcore-setup.haskell-gi-0.17.1,
gi-javascriptcore-setup.haskell-gi-0.17,
gi-javascriptcore-setup.haskell-gi-0.15,
gi-javascriptcore-setup.haskell-gi-0.14,
gi-javascriptcore-setup.haskell-gi-0.13,
gi-javascriptcore-setup.haskell-gi-0.12,
gi-javascriptcore-setup.haskell-gi-0.11,
gi-javascriptcore-setup.haskell-gi-0.10.2,
gi-javascriptcore-setup.haskell-gi-0.10.1,
gi-javascriptcore-setup.haskell-gi-0.10,
gi-javascriptcore-setup.haskell-gi-0.9, gi-javascriptcore-setup.haskell-gi-0.8
(conflict: gi-javascriptcore => gi-javascriptcore-setup.haskell-gi>=0.18 &&
<1)
Dependency tree exhaustively searched.