From 9a0861228649b71377f9b81dde577733aa611194 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sun, 5 May 2013 21:01:20 +0200
Subject: [PATCH] haskell-diagrams-core: jailbreak to fix build with
 monoid-extras 0.3.x

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

diff --git a/pkgs/development/libraries/haskell/diagrams/core.nix b/pkgs/development/libraries/haskell/diagrams/core.nix
index 985a69dce13..76cf77f1315 100644
--- a/pkgs/development/libraries/haskell/diagrams/core.nix
+++ b/pkgs/development/libraries/haskell/diagrams/core.nix
@@ -10,6 +10,7 @@ cabal.mkDerivation (self: {
     dualTree MemoTrie monoidExtras newtype semigroups vectorSpace
     vectorSpacePoints
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://projects.haskell.org/diagrams";
     description = "Core libraries for diagrams EDSL";