Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: webkit (user goal)
rejecting: webkit-0.14.1.0, 0.13.1.3, 0.13.1.2, 0.13.1.1, 0.13.1.0, 0.13.0.3,
0.13.0.2, 0.13.0.1, 0.13.0.0, 0.12.6.1, 0.12.6.0, 0.12.5.3, 0.12.5.2,
0.12.5.1, 0.12.5, 0.12.4, 0.12.3, 0.12.2 (global constraint requires ==0.12.1)
trying: webkit-0.12.1
trying: base-4.8.1.0/installed-4f7... (dependency of webkit-0.12.1)
next goal: pango (dependency of webkit-0.12.1)
rejecting: pango-0.13.1.0, 0.13.0.5, 0.13.0.4, 0.13.0.3, 0.13.0.2, 0.13.0.1,
0.13.0.0 (conflict: webkit => pango>=0.12 && <0.13)
trying: pango-0.12.5.3
trying: directory-1.2.2.0/installed-258... (dependency of pango-0.12.5.3)
next goal: haskell98 (dependency of webkit-0.12.1)
rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base>=4.7 && <4.8)
rejecting: haskell98-2.0.0.2 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base==4.6.*)
rejecting: haskell98-2.0.0.1, 2.0.0.0 (conflict:
directory==1.2.2.0/installed-258..., haskell98 => directory>=1.1 && <1.2)
rejecting: haskell98-1.1.0.1, 1.1.0.0, 1.0.1.1 (conflict:
base==4.8.1.0/installed-4f7..., haskell98 => base>=3 && <4.6)
rejecting: haskell98-1.0.1.0 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base<4.6)
rejecting: haskell98-1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98
=> base<4.3)
Dependency tree exhaustively searched.