From c7a09ba40aed90ae3371e7fec7172e718fe08890 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 15 May 2014 19:27:49 +0200
Subject: [PATCH] haskell-free: jailbreak to fix build with transformers 0.4.x

---
 pkgs/development/libraries/haskell/free/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/haskell/free/default.nix b/pkgs/development/libraries/haskell/free/default.nix
index ba2c09ff019f..9d84bf874353 100644
--- a/pkgs/development/libraries/haskell/free/default.nix
+++ b/pkgs/development/libraries/haskell/free/default.nix
@@ -10,6 +10,7 @@ cabal.mkDerivation (self: {
     bifunctors comonad distributive mtl preludeExtras profunctors
     semigroupoids semigroups transformers
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://github.com/ekmett/free/";
     description = "Monads for free";