[Haskell-cafe] cabal install: Could not find module `Text.XML.HXT.Arrow'

dokondr dokondr at gmail.com
Tue Nov 8 12:27:13 CET 2011


Thanks,
Alas adding '--constraint=hxt==9.0.\*' after cabal-install command does not
help. I get the same error.

On Tue, Nov 8, 2011 at 2:10 PM, Erik Hesselink <hesselink at gmail.com> wrote:

> This is because hSimpleDB doesn't specify version ranges on its
> dependencies, when it should. Since hxt changed its module structure
> going from 9.0 to 9.1, hSimpleDB doesn't build against 9.0.
>
> You can try to build it by adding '--constraint=hxt==9.0.\*' after
> your cabal-install command. You can also ask the author to add version
> ranges to the package.
>
> Erik
>
> On Tue, Nov 8, 2011 at 11:58, dokondr <dokondr at gmail.com> wrote:
> > Hi,
> > On Mac OSX, ghc-6.12.3, I have successfully installed the 'hxt' package:
> > http://hackage.haskell.org/package/hxt-8.5.2
> >
> > Registering hxt-9.1.4...
> > Installing library in /Users/user/.cabal/lib/hxt-9.1.4/ghc-6.12.3
> >
> > Now when I try to install hSimpleDB
> > (http://hackage.haskell.org/package/hSimpleDB) I get the following
> error:
> >
> > cabal install hSimpleDB
> > ...
> > Registering HTTP-4000.0.9...
> > Installing library in /Users/user/.cabal/lib/HTTP-4000.0.9/ghc-6.12.3
> > Registering HTTP-4000.0.9...
> > Configuring hSimpleDB-0.3...
> > Preprocessing library hSimpleDB-0.3...
> > Building hSimpleDB-0.3...
> >
> > src/Network/AWS/Authentication.hs:47:7:
> >     Could not find module `Text.XML.HXT.Arrow':
> >       Use -v to see a list of the files searched for.
> > cabal: Error: some packages failed to install:
> > hSimpleDB-0.3 failed during the building phase. The exception was:
> > ExitFailure 1
> >
> > Any ideas how to solve this?
> >
> > Thanks!
> > Dmitri
> >
> > _______________________________________________
> > Haskell-Cafe mailing list
> > Haskell-Cafe at haskell.org
> > http://www.haskell.org/mailman/listinfo/haskell-cafe
> >
> >
>
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