Upgrading packages/Updating to GHC 6.10

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A list of things that need updating when porting packages to newer library/cabal versions.

If you maintain a Haskell package this is for you.

For older versions of this document:

Updating to GHC 6.10 and Cabal 1.6

Main changes:

  • base-3 and base-4 will be installed, meaning you can always
 force packages to build against the old base.

cabal-install

runhaskell

Packages that require base-3 (e.g. for old implementations of the exceptoin type, can be built using runhaskell Setup.hs with: 

   --constraint="base==3.*"
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