[Nix-dev] nixos and haskell

[Steven Shaw]

I've been following http://wiki.ocharles.org.uk/Nix with some success.

There appears to be a problem with non-deterministic build output with GHC
7.10.1 <https://twitter.com/puffnfresh/status/597474734922551296> though. I
don't know how to use 7.8.4 instead.

I've reconfigured NixOS with a single binary cache
<https://github.com/steshaw/shelly/blob/98d2f05079d4e8047622f10463a6c2b76a00c601/etc/nixos/configuration.nix#L61>
in an attempt to mitigate the non-determinism (but I'm not sure if that's
all that's required). I'm using http://hydra.cryp.to.

Hope that helps.

Cheers,
Steve.
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