Haskell transition underway

[Iain Lane]

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Hello developers,

With the upload of ghc6 version 6.10.4-1ubuntu2, we have arrived at  
the version of GHC that Karmic will release with.

This means that the reverse build-dependencies that have been broken  
(uninstallable) since the 6.10.3 upload can now be transitioned and  
should not break again until the next upstream release. *This only  
affects packages in Universe*

The current state of the haskell ecosystem is shown in a dot graph at  
[0]. This will update once an hour. Red nodes are source packages  
which have at least one binary which is uninstallable. The idea is to  
rebuild a package only once all of its dependencies have been  
transitioned. In the majority of cases a no-change rebuild should be  
all that is necessary, but see [1] for sync opportunities*.

I plan on taking care of most of these, maybe with one or two others  
helping out. If your favourite package is affected then by all means  
take action to get it fixed.

I anticipate this to take no more than a couple of weeks.

Regards,
Iain

[0] http://cs.nott.ac.uk/~ial/graph.pdf
[1] http://qa.ubuntuwire.org/multidistrotools/haskell.html
[2] http://code.haskell.org/haskell-platform/haskell-platform.cabal

* a side goal is Haskell platform[2] compliance, or at least some  
approximation thereof, so syncs which bring us closer to this aim are  
most welcome. This is not a major goal for this cycle however, but  
probably will be for karmic+1.

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