[Haskell-cafe] cabal install yesod gives an error on ghc 7.02

cabal install yesod gives an error on ghc 7.02: http://hackage.haskell.org/trac/ghc/ticket/5004 One of the commenters on that ticcket says: "found that providing an unstripped version of libHsghc-7.0.2.a allows for successful linking. " Where can i get that unstripped version of libHsghc-7.0.2.a ?