From 485283d648d64b247dfe8768cf609fd81c87cdb5 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Fri, 12 Sep 2014 10:46:15 +0200
Subject: [PATCH] haskell-diagrams-cairo: jailbreak to fix build with latest
 lens library

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

diff --git a/pkgs/development/libraries/haskell/diagrams/cairo.nix b/pkgs/development/libraries/haskell/diagrams/cairo.nix
index a350520bc50..cd42f175b96 100644
--- a/pkgs/development/libraries/haskell/diagrams/cairo.nix
+++ b/pkgs/development/libraries/haskell/diagrams/cairo.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     hashable JuicyPixels lens mtl optparseApplicative pango split
     statestack time transformers vector
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://projects.haskell.org/diagrams";
     description = "Cairo backend for diagrams drawing EDSL";