My guess would be that persistent indirectly depends on transformers 0.2, since 0.3 is quite new and mtl 2.1.1 doesn't support transformers 0.2. But I can't find which package that is.
On May 6, 2012, at 8:46 PM, Graham Berks wrote: > Attempting > > $ cabal install persistent > Resolving dependencies... > In order, the following would be installed: > aeson-0.6.0.2 (reinstall) changes: mtl-2.1.1 -> 2.0.1.0 > persistent-0.9.0.3 (new package) > cabal: The following packages are likely to be broken by the reinstalls: > buildwrapper-0.5.2 > Use --force-reinstalls if you want to install anyway. > > Any ideas what is going on ? I believe aeson-0.6.0.2 is already installed. > And as far as I can tell the build of aeson-0.6.0.2 doesn't require that > specific version of mtl. > > Am I missing something ? Is there a way to force ghc to ignore this ?? > > Thanks > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe -- Sjoerd Visscher https://github.com/sjoerdvisscher/blog
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