From 775dd5b7d53216775ab7b594c3d016b014f7d1e9 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 21 Nov 2012 12:04:48 +0100
Subject: [PATCH] haskell-graphviz: update to version 2999.14.1.0

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

diff --git a/pkgs/development/libraries/haskell/graphviz/default.nix b/pkgs/development/libraries/haskell/graphviz/default.nix
index 7986ef07c1e..e48f92e5b81 100644
--- a/pkgs/development/libraries/haskell/graphviz/default.nix
+++ b/pkgs/development/libraries/haskell/graphviz/default.nix
@@ -9,6 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [
     colour dlist fgl filepath polyparse text transformers wlPprintText
   ];
+  patchPhase = "sed -i -e 's|bytestring.*,|bytestring,|' graphviz.cabal";
   meta = {
     homepage = "http://projects.haskell.org/graphviz/";
     description = "Bindings to Graphviz for graph visualisation";