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, gi-javascriptcore-3.0.6, gi-javascriptcore-3.0.5,
gi-javascriptcore-3.0.4, gi-javascriptcore-3.0.3, gi-javascriptcore-3.0.2
(constraint from user target requires ==3.0.1)
trying: gi-javascriptcore-3.0.1
next goal: gi-javascriptcore-setup.haskell-gi (dependency of
gi-javascriptcore-3.0.1)
rejecting: gi-javascriptcore-setup.haskell-gi-0.18,
gi-javascriptcore-setup.haskell-gi-0.17.4 (conflict: requires pkg-config
package gobject-introspection-1.0>=1.32, not found in the pkg-config database)
rejecting: gi-javascriptcore-setup.haskell-gi-0.17.3,
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 (conflict: requires pkg-config package
gobject-introspection-1.0>=1.42, not found in the pkg-config database)
rejecting: 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>=0.15)
Dependency tree exhaustively searched.