From 873af26e531a0ac3a2704b7c0518f53ab5211546 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 25 Apr 2013 11:11:56 +0200
Subject: [PATCH] haskell-diagrams: jailbreak to fix build with recent
 NumInstances library

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

diff --git a/pkgs/development/libraries/haskell/diagrams/diagrams.nix b/pkgs/development/libraries/haskell/diagrams/diagrams.nix
index 01561f426c5..1e1174ad303 100644
--- a/pkgs/development/libraries/haskell/diagrams/diagrams.nix
+++ b/pkgs/development/libraries/haskell/diagrams/diagrams.nix
@@ -8,6 +8,7 @@ cabal.mkDerivation (self: {
     diagramsContrib diagramsCore diagramsLib diagramsSvg
   ];
   noHaddock = true;
+  jailbreak = true;
   meta = {
     homepage = "http://projects.haskell.org/diagrams";
     description = "Embedded domain-specific language for declarative vector graphics";