From 84fb4b94c1063d02ff91b548ed388647fd9e79a0 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 5 Jun 2014 11:41:16 +0200
Subject: [PATCH] haskell-failure: jailbreak to fix build with transformers
 0.4.x

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

diff --git a/pkgs/development/libraries/haskell/failure/default.nix b/pkgs/development/libraries/haskell/failure/default.nix
index 9c0edece302..afb01673650 100644
--- a/pkgs/development/libraries/haskell/failure/default.nix
+++ b/pkgs/development/libraries/haskell/failure/default.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.2.0.2";
   sha256 = "0hvcsn7qx00613f23vvb3vjpjlcy0nfavsai9f6s3yvmyssk5kfv";
   buildDepends = [ transformers ];
+  jailbreak = true;
   meta = {
     homepage = "http://www.haskell.org/haskellwiki/Failure";
     description = "A simple type class for success/failure computations. (deprecated)";