[Haskell-cafe] Re: Snow Leopard breaks GHC

Christian Maeder Christian.Maeder at dfki.de
Fri Sep 4 09:51:22 EDT 2009

Does adding -optc-m32 -opta-m32 -optl-m32 to /usr/bin/ghci
as well not help? (as I've posted before)

Cheers Christian

Brian Sniffen wrote:
> Having edited the Haskell Platform's /usr/bin/ghc in place, most
> packages install fine.  I'm still having trouble with Pandoc, even
> given the advice:
>> Once cabal works, options --ld-option=-m32 (and also --gcc-option=-m32)
>> may be used. These options may also be passed to "./Setup configure"
> The problem appears to come when linking an incompatible zlib version:
> src/Text/Pandoc/ODT.hs:49:26:
>   Exception when trying to run compile-time code:
>     user error (Codec.Compression.Zlib: incompatible zlib version)
>     Code: ($) makeZip "data" </> "odt-styles"
>   In the first argument of `read', namely
>       `$(makeZip $ "data" </> "odt-styles")'
>   In the expression: read ($(makeZip $ "data" </> "odt-styles"))
>   In the definition of `refArchive':
>       refArchive = read ($(makeZip $ "data" </> "odt-styles"))
> The same problem occurs when making any call to Codec.Archive.Zip or
> Codec.Compression.Zlib.
> I do have a universal zlib installed by MacPorts, as well as the
> universal zlib that shipped with Snow Leopard and the universal zlib
> that came with Cabal.  I'm not sure whether this message indicates
> that TH code is searching a different library path than non-TH code or
> what.  Advice is most welcome.  I'm particularly interested in finding
> out which zlib versions are being found at the construction of
> Codec.Compression.Zlib and at runtime (Pandoc compile time).

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