[Haskell] ANNOUNCE: lhs2tex-1.14
duncan.coutts at worc.ox.ac.uk
Fri Nov 7 12:07:49 EST 2008
On Thu, 2008-11-06 at 16:36 -0800, Conal Elliott wrote:
> Hi Andres,
> I just downloaded and compiled lhs2tex-1.14 on ghc 6.10.1, and I'm
> getting an error:
> [16 of 19] Compiling Math ( Math.lhs, Math.o )
> [17 of 19] Compiling FileNameUtils ( FileNameUtils.lhs,
> FileNameUtils.o )
> Ambiguous type variable `b' in the constraint:
> `GHC.Exception.Exception b'
> arising from a use of `catch' at
> Probable fix: add a type signature that fixes these type
> Any advice?
Constrain the version of base to be < 4. You can do that in the .cabal
file or if you use cabal-install-0.6 or later then it does that by
default for packages which do not specify any constraint (on the basis
that most existing packages build with base 3 and new ones that need
base 4 will say so).
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