[Haskell-cafe] Re: build problems on Hackage

David Waern david.waern at gmail.com
Thu Feb 5 09:05:44 EST 2009

2009/2/5 Ross Paterson <ross at soi.city.ac.uk>:
> On Thu, Feb 05, 2009 at 10:41:20AM +0100, Wolfgang Jeltsch wrote:
>> type-level built fine with GHC 6.8 but failed to build with GHC
>> 6.10. The last line of the build log is this:
>> > haddock: internal Haddock or GHC error: Maybe.fromJust: Nothing
> Yes, haddock 2.4.1 (the most recent release) bombs on
> Data.TypeLevel.Num.Aliases.

In Haddock 2.4.0 we switched from using the compilation mode of the
GHC API to a mode which does only typchecking. This broke Template
Haskell support:


The problem is fixed in Haddock 2.4.2 which will be released with GHC 6.10.2.


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