From 9308d93f54326bee903b9fbda6ffc59fa7b4664a Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 18 Sep 2013 16:58:08 +0200
Subject: [PATCH] haskell-diagrams-lib: jailbreak to fix build with recent
 semigroups library

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

diff --git a/pkgs/development/libraries/haskell/diagrams/lib.nix b/pkgs/development/libraries/haskell/diagrams/lib.nix
index 4ce518c4061ad..9b5062479be18 100644
--- a/pkgs/development/libraries/haskell/diagrams/lib.nix
+++ b/pkgs/development/libraries/haskell/diagrams/lib.nix
@@ -11,6 +11,7 @@ cabal.mkDerivation (self: {
     active colour dataDefaultClass diagramsCore fingertree intervals
     monoidExtras newtype NumInstances semigroups vectorSpace
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://projects.haskell.org/diagrams";
     description = "Embedded domain-specific language for declarative graphics";