Hi Richard, run "nix-env -e haskell-hiberico-ghc7.8.3-1-shared" to remove the old version of the package from your profile. Once you've done that, you can install the new expression from "haskell-ng" into your profile without a collision.
Best regards, Peter _______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev
