Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: notcpp (user goal)
rejecting: notcpp-0.2.0.3, notcpp-0.2.0.2, notcpp-0.2.0.1, notcpp-0.2,
notcpp-0.1.0.1 (constraint from user target requires ==0.1)
trying: notcpp-0.1
trying: base-4.9.0.0/installed-4.9... (dependency of notcpp-0.1)
next goal: template-haskell (dependency of notcpp-0.1)
rejecting: template-haskell-2.11.0.0/installed-2.1...,
template-haskell-2.11.0.0, template-haskell-2.10.0.0,
template-haskell-2.9.0.0, template-haskell-2.8.0.0 (conflict: notcpp =>
template-haskell>=2.5 && <2.8)
rejecting: template-haskell-2.7.0.0 (conflict: base==4.9.0.0/installed-4.9...,
template-haskell => base==4.5.*)
rejecting: template-haskell-2.6.0.0 (conflict: base==4.9.0.0/installed-4.9...,
template-haskell => base==4.4.*)
rejecting: template-haskell-2.5.0.0 (conflict: base==4.9.0.0/installed-4.9...,
template-haskell => base==4.3.*)
rejecting: template-haskell-2.4.0.1, template-haskell-2.4.0.0,
template-haskell-2.3.0.1, template-haskell-2.3.0.0, template-haskell-2.2.0.0
(conflict: notcpp => template-haskell>=2.5 && <2.8)
Dependency tree exhaustively searched.