From aed36a51b3942a3050ee8cf45424798f22354d73 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 17 Apr 2016 01:13:26 +0200
Subject: Attempt at turning on profiling failed

---
 shell.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/shell.nix b/shell.nix
index b0c7043..c6a98c9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,9 +1,9 @@
 { pkgs ? (import <nixpkgs> {})
-, haskellPackages ? (import ./default.nix { inherit pkgs; }).haskellPackages.override { overrides = self: super: { mkDerivation = args : super.mkDerivation (args // { enableLibraryProfiling = true; }); }; }
+, haskellPackages ? (import ./default.nix { inherit pkgs; }).haskellPackages
 }:
 
 let
-  ghc = haskellPackages.ghcWithPackages (ps: payload ++ depends ++ (with ps; [ hlint cabal2nix cabal-install ]));
+  ghc = (haskellPackages.ghcWithPackages (ps: (payload ++ depends ++ (with ps; [ hlint cabal2nix cabal-install ])))).override { ignoreCollisions = true; };
   payload = builtins.attrValues (import ./default.nix {});
   depends = builtins.concatLists (builtins.map (x: if builtins.hasAttr "nativeBuildInputs" x then x.nativeBuildInputs else []) (builtins.attrValues (import ./default.nix {})));
 in pkgs.stdenv.mkDerivation rec {
-- 
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