From 71673e09415a0205e7ad96904c1520dad917ee16 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sat, 1 Nov 2014 16:44:23 +0100
Subject: [PATCH] haskell-diagrams-svg: jailbreak to fix build with latest
 version of 'lens'

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

diff --git a/pkgs/development/libraries/haskell/diagrams/svg.nix b/pkgs/development/libraries/haskell/diagrams/svg.nix
index 8393d7c6f98..9f1f3175525 100644
--- a/pkgs/development/libraries/haskell/diagrams/svg.nix
+++ b/pkgs/development/libraries/haskell/diagrams/svg.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     diagramsLib filepath hashable JuicyPixels lens monoidExtras mtl
     split time vectorSpace
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://projects.haskell.org/diagrams/";
     description = "SVG backend for diagrams drawing EDSL";