Resolving dependencies...
cabal: Could not resolve dependencies:
trying: base-4.9.0.0/installed-4.9... (dependency of HaTeX-meta-1.2.1)
next goal: Cabal (dependency of HaTeX-meta-1.2.1)
rejecting: Cabal-1.24.0.0/installed-1.2..., Cabal-1.24.0.0, Cabal-1.22.8.0,
Cabal-1.22.7.0, Cabal-1.22.6.0, Cabal-1.22.5.0, Cabal-1.22.4.0,
Cabal-1.22.3.0, Cabal-1.22.2.0, Cabal-1.22.1.1, Cabal-1.22.1.0,
Cabal-1.22.0.0, Cabal-1.20.0.4, Cabal-1.20.0.3, Cabal-1.20.0.2,
Cabal-1.20.0.1, Cabal-1.20.0.0, Cabal-1.18.1.7, Cabal-1.18.1.6,
Cabal-1.18.1.5, Cabal-1.18.1.4, Cabal-1.18.1.3, Cabal-1.18.1.2,
Cabal-1.18.1.1, Cabal-1.18.1, Cabal-1.18.0, Cabal-1.16.0.3, Cabal-1.16.0.2,
Cabal-1.16.0.1, Cabal-1.16.0 (conflict: HaTeX-meta => Cabal==1.14.*)
trying: Cabal-1.14.0
next goal: unix (dependency of Cabal-1.14.0)
rejecting: unix-2.7.2.0/installed-2.7..., unix-2.7.2.0, unix-2.7.1.0,
unix-2.7.0.1, unix-2.7.0.0, unix-2.6.0.1, unix-2.6.0.0 (conflict: Cabal =>
unix>=2.0 && <2.6)
rejecting: unix-2.5.1.1, unix-2.5.1.0 (conflict:
base==4.9.0.0/installed-4.9..., unix => base>=4.5 && <4.6)
rejecting: unix-2.5.0.0 (conflict: base==4.9.0.0/installed-4.9..., unix =>
base>=4.2 && <4.5)
rejecting: unix-2.4.2.0, unix-2.4.1.0 (conflict:
base==4.9.0.0/installed-4.9..., unix => base>=4.2 && <4.4)
rejecting: unix-2.4.0.2, unix-2.4.0.1 (conflict:
base==4.9.0.0/installed-4.9..., unix => base>=4.2 && <4.3)
rejecting: unix-2.4.0.0 (conflict: base==4.9.0.0/installed-4.9..., unix =>
base>=4.1 && <4.3)
rejecting: unix-2.3.2.0, unix-2.3.1.0, unix-2.3.0.0, unix-2.2.0.0, unix-2.0
(conflict: base==4.9.0.0/installed-4.9..., unix => base<4.3)
Dependency tree exhaustively searched.