Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: yesod-purescript (user goal)
rejecting: yesod-purescript-0.0.5, 0.0.4.7, 0.0.4.6 (global constraint
requires ==0.0.4.5)
trying: yesod-purescript-0.0.4.5
trying: base-4.8.1.0/installed-4f7... (dependency of yesod-purescript-0.0.4.5)
next goal: purescript (dependency of yesod-purescript-0.0.4.5)
rejecting: purescript-0.7.5, 0.7.4.1, 0.7.3.0, 0.7.2.1, 0.7.2.0, 0.7.1.0,
0.7.0.0, 0.6.9.5, 0.6.9.4, 0.6.9.3, 0.6.9.2, 0.6.9.1, 0.6.9, 0.6.8, 0.6.7.1,
0.6.7 (conflict: yesod-purescript => purescript>=0.6.4 && <0.6.7)
trying: purescript-0.6.6
next goal: monad-unify (dependency of purescript-0.6.6)
rejecting: monad-unify-0.2.2 (conflict: base==4.8.1.0/installed-4f7...,
monad-unify => base>=4.5 && <4.8)
rejecting: monad-unify-0.2.1, 0.2.0.1, 0.2.0.0, 0.1.0.0 (conflict: purescript
=> monad-unify>=0.2.2 && <0.3)
Dependency tree exhaustively searched.