[Nix-dev] Conflict between ghc-7.4.1-linkdir and haskell-env-ghc-7.4.1

[Aristid Breitkreuz]

Hi Peter,

Thanks! This, combined with the fact that I somehow managed to introduce a
typo into my config.nix, explains all the problems I encountered.


Cheers,

Aristid


Am 31. März 2012 12:26 schrieb Peter Simons <simons at cryp.to>:

> Hi Aristid,
>
> you should remove ghc-7.4.1-linkdir from your profile altogether and
> install haskell-env-ghc-7.4.1 instead. See this commit for details:
>
>  | commit 9491d08a9d98f06dfc12bdc89cb2be322947f066
>  | Author: simons <simons at 70bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb>
>  | Date:   Wed Mar 21 11:46:15 2012 +0000
>  |
>  | pkgs/development/compilers/ghc/with-packages.nix: renamed this
> expression from "ghc-${ghc.version}-linkdir" to "haskell-env-${ghc.n
>  |
>  | This change allows use of the with-packages wrapper in user profiles
> that are
>  | being updated with "nix-env -u \*". The previous name this expression
> generated
>  | was considered by Nix to be an older version of "ghc-7.0.4-wrapper",
> because
>  | that name has a higher priority.
>  |
>  | git-svn-id: https://nixos.org/repos/nix/nixpkgs/trunk@3332570bd8c7a-acb8-0310-9f0d-9cc1c95dcdbb
>
> Take care,
> Peter
>
>
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