On Wed, Jul 11, 2012 at 5:28 AM, Magicloud Magiclouds < magicloud.magiclo...@gmail.com> wrote:
> Even I removed all user space packages, the error was still. I think > it is a ghc pkg problem, that every package register itself as > package:function while ghc (or cabal?) required > package-version:function. > That's not the problem, it's the symptom. Package symbols are always versioned; ghc only shows the version when it's the only way to disambiguate symbols. So when it shows you a conflict where one is versioned and the other isn't, you have multiple versions of a package installed. > But --constraint='template-haskell-2.7.0.0' did make it compiled. > And that's how you prevent it. -- brandon s allbery allber...@gmail.com wandering unix systems administrator (available) (412) 475-9364 vm/sms
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