Resolving dependencies...
cabal: Could not resolve dependencies:
trying: hdevtools-0.1.2.1 (user goal)
next goal: Cabal (dependency of hdevtools-0.1.2.1)
rejecting: Cabal-1.18.1.3/installed-715... (conflict: Cabal =>
process==1.2.0.0/installed-163..., hdevtools => process>=1.2.3.0)
trying: Cabal-1.22.4.0
next goal: ghc (dependency of hdevtools-0.1.2.1)
rejecting: ghc-7.8.3/installed-0af... (conflict: Cabal==1.22.4.0, ghc =>
Cabal==1.18.1.3/installed-715...)
Dependency tree exhaustively searched.