[Haskell-cafe] Dealing with GHC 7.8

Michael Snoyman michael at snoyman.com
Thu May 1 12:49:12 UTC 2014

I think you need to upgrade to cabal-install 1.18 or later, and then
recompile your entire package database. Johan wrote about this on Google+:


On Thu, May 1, 2014 at 3:46 PM, Ivan Lazar Miljenovic <
ivan.miljenovic at gmail.com> wrote:

> I've been trying to update the various Haskell packages for Exherbo,
> but for some packages I keep getting errors like this (taken from
> vector-th-unbox, which is ultimately needed by criterion):
> runhaskell Setup copy
> --destdir=/var/tmp/paludis/build/dev-haskell-vector-th-unbox-
> Installing library in
> /var/tmp/paludis/build/dev-haskell-vector-th-unbox-
> Setup: Error: Could not find module: Data.Vector.Unboxed.Deriving with any
> suffix: ["dyn_hi"] in the search path: ["dist/build"]
> When trying to find solutions for this, every result happens to be for
> Windows... which this isn't.  Has some way of dealing with building
> packages using just runhaskell Setup changed?
> --
> Ivan Lazar Miljenovic
> Ivan.Miljenovic at gmail.com
> http://IvanMiljenovic.wordpress.com
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