[Haskell-cafe] Notice for package authors

Duncan Coutts duncan.coutts at worc.ox.ac.uk
Wed Jun 3 19:25:21 EDT 2009


On Wed, 2009-06-03 at 23:15 +0200, Henning Thielemann wrote:
> On Wed, 3 Jun 2009, Duncan Coutts wrote:
> 
> > For example, if you've tested with base 3 and 4 then use:
> >
> >        build-depends: base >= 3 && < 5
> >
> > Or if it needs version 4 then use:
> >
> >        build-depends: base == 4.*
> 
> It would be cool, if base-3 could be used with GHC-6.10 for packages that 
> have not been updated so far.

Yes, that's how it works now if you're using cabal-install with
ghc-6.10.

> When I upload a base-3 package to Hackage today, it may be not be
> built by Hackage because Hackage only supports base-4 currently.

I'm missing something. The build client for hackage uses ghc-6.10.x
which includes base 3 and 4.

What problem are you seeing exactly?

Duncan



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