From e15f6bcecb9fe01e8ad04827ca98db18e03374c3 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 27 Nov 2013 12:35:05 +0100
Subject: [PATCH] haskell-diagrams-contrib: jailbreak to support semigroups
 0.12

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

diff --git a/pkgs/development/libraries/haskell/diagrams/contrib.nix b/pkgs/development/libraries/haskell/diagrams/contrib.nix
index c446d5de4d8..24b88030316 100644
--- a/pkgs/development/libraries/haskell/diagrams/contrib.nix
+++ b/pkgs/development/libraries/haskell/diagrams/contrib.nix
@@ -18,6 +18,7 @@ cabal.mkDerivation (self: {
     diagramsLib HUnit QuickCheck testFramework testFrameworkHunit
     testFrameworkQuickcheck2
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://projects.haskell.org/diagrams/";
     description = "Collection of user contributions to diagrams EDSL";