Resolving dependencies...
Downloading cmonad-0.1.0.1...
Configuring cmonad-0.1.0.1...
Building cmonad-0.1.0.1...
Preprocessing library cmonad-0.1.0.1...

src/Language/CMonad/CPrelude.hs:1:16: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

src/Language/CMonad/Prim.hs:1:16: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead

src/Language/CMonad/Ops.hs:1:16: Warning:
    -fglasgow-exts is deprecated: Use individual extensions instead
[1 of 5] Compiling Language.CMonad.MonadRef ( src/Language/CMonad/MonadRef.hs, dist/build/Language/CMonad/MonadRef.o )
[2 of 5] Compiling Language.CMonad.Prim ( src/Language/CMonad/Prim.hs, dist/build/Language/CMonad/Prim.o )

src/Language/CMonad/Prim.hs:48:13:
    Couldn't match expected type `forall v. E' v m a'
                with actual type `E' v0 m a'
    In the return type of a call of `V'
    In the first argument of `return', namely
      `(V (readRef r) (writeRef r))'
    In a stmt of a 'do' block: return (V (readRef r) (writeRef r))

src/Language/CMonad/Prim.hs:59:12:
    Couldn't match expected type `forall v. [E m i] -> E' v m a'
                with actual type `[E m i] -> E' v1 m a'
    In the first argument of `return', namely `f'
    In a stmt of a 'do' block: return f
    In the first argument of `E', namely
      `(do { let ix :: [E m i] -> m i
                 ix [i] = runE i
                 {-# INLINE f #-}
                 ....;
             return f })'

src/Language/CMonad/Prim.hs:75:13:
    Couldn't match expected type `[E m i] -> E' v2 m a'
                with actual type `forall v. [E m i] -> E' v m a'
    The lambda expression `\ is
                             -> V (ix is >>= readArray a) (\ x -> ...)'
    has one argument,
    but its type `forall v. [E m i] -> E' v m a' has none
    In the first argument of `return', namely
      `(\ is
          -> V (ix is >>= readArray a)
               (\ x -> ix is >>= \ i -> writeArray a i x))'
    In a stmt of a 'do' block:
      return
        (\ is
           -> V (ix is >>= readArray a)
                (\ x -> ix is >>= \ i -> writeArray a i x))
Failed to install cmonad-0.1.0.1
cabal: Error: some packages failed to install:
cmonad-0.1.0.1 failed during the building phase. The exception was:
ExitFailure 1