On Wed, Aug 27, 2008 at 01:59:04PM +0100, Claus Reinke wrote:
> >>In this case, I was told that base3-compat was provided
> >>explicitly to avoid breakage[1], and as I reported, that
> >>doesn't seem to be the case [2].
> >
> >It'll only work for packages that correctly depend on something like:
> > base >= x && < 4
>
> quoting self (again):
>
> |Then, after adding "base < 4" to all extralibs .cabal files, I'm
> |treated to a
> |
> |Network.hs:434:10:
> | Couldn't match expected type `Exception.IOException'
> | against inferred type `Exception.Exception'
> | Expected type: Exception.IOException -> IO a
> | Inferred type: Exception.Exception -> IO a
> | In the expression: Exception.catch
> | In the definition of `catchIO': catchIO = Exception.catch
That's because network's code requires base 4 due to this patch:
Make network work with extensible exceptions
Ian Lynagh <[EMAIL PROTECTED]>**20080805125755
Packages designed for base 3, with dependencies that reflect that,
should work with GHC 6.10.
Thanks
Ian
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