[Haskell-cafe] Mystified by Cabal

[Don Stewart]

colin:
> I have just attempted Cabal-izing my program (splitting it into a
> library and main program as well), and I'm mystified by some problems
> I am having.
> 
> First, when I try to build the library I get:
> 
> [colin at susannah game-tree]$ runhaskell Setup build
> Preprocessing library game-tree-1.0.0.0...
> Building game-tree-1.0.0.0...
> 
> Data/Tree/Game/Negascout.hs:31:0: Unrecognised pragma
> [1 of 2] Compiling Data.Tree.Game.Tree ( Data/Tree/Game/Tree.hs, dist/build/Data/Tree/Game/Tree.o )
> 
> Data/Tree/Game/Tree.hs:1:0:
>     Failed to load interface for `Prelude':
>       it is a member of package base-3.0.3.0, which is hidden
> 

build-depends: base

You certainly depend on the base library, unless you're doing only
haskell98 work.