Resolving dependencies...
Downloading GenericPretty-0.1.1...
Configuring GenericPretty-0.1.1...
Building GenericPretty-0.1.1...
Preprocessing library GenericPretty-0.1.1...
[1 of 1] Compiling Text.PrettyPrint.GenericPretty ( Text/PrettyPrint/GenericPretty.hs, dist/build/Text/PrettyPrint/GenericPretty.o )

Text/PrettyPrint/GenericPretty.hs:175:38:
    Couldn't match expected type `DynFlags.DynFlags'
                with actual type `SDoc'
    In the first argument of `showSDocOneLine', namely `x'
    In the expression: showSDocOneLine x
    In an equation for `strG': strG = showSDocOneLine x

Text/PrettyPrint/GenericPretty.hs:176:44:
    Couldn't match type `SDoc' with `DynFlags.DynFlags'
    Expected type: [DynFlags.DynFlags]
      Actual type: [SDoc]
    In the first argument of `head', namely `pfn'
    In the first argument of `showSDocOneLine', namely `(head pfn)'
    In the expression: showSDocOneLine (head pfn)

Text/PrettyPrint/GenericPretty.hs:196:27:
    Couldn't match expected type `DynFlags.DynFlags'
                with actual type `PprStyle'
    In the first argument of `withPprStyleDoc', namely `pstyle'
    In the expression: withPprStyleDoc pstyle (out 0 a)
    In an equation for `doc': doc = withPprStyleDoc pstyle (out 0 a)

Text/PrettyPrint/GenericPretty.hs:196:35:
    Couldn't match expected type `PprStyle' with actual type `SDoc'
    In the return type of a call of `out'
    In the second argument of `withPprStyleDoc', namely `(out 0 a)'
    In the expression: withPprStyleDoc pstyle (out 0 a)
Failed to install GenericPretty-0.1.1
cabal: Error: some packages failed to install:
GenericPretty-0.1.1 failed during the building phase. The exception was:
ExitFailure 1