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doc: Document how to set custom GHC version in haskell.lib.buildStackProject.

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Mathieu Boespflug 2016-06-05 00:30:37 +02:00
parent 292a8892a0
commit e6aa4e0ccb
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doc/languages-frameworks/haskell.md
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@ -378,6 +378,23 @@ special options turned on:
buildInputs = [ R zeromq zlib ];
}
You can select a particular GHC version to compile with by setting the
`ghc` attribute as an argument to `buildStackProject`. Better yet, let
Stack choose what GHC version it wants based on the snapshot specified
in `stack.yaml` (only works with Stack >= 1.1.3):
{nixpkgs ? import <nixpkgs> { }, ghc ? nixpkgs.ghc}
with nixpkgs;
let R = pkgs.R.override { enableStrictBarrier = true; };
in
haskell.lib.buildStackProject {
name = "HaskellR";
buildInputs = [ R zeromq zlib ];
inherit ghc;
}
[stack-nix-doc]: http://docs.haskellstack.org/en/stable/nix_integration.html
### How to create ad hoc environments for `nix-shell`