From 557b8daa33dba9c639be2cbfad115a1e3942ccac Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 25 Mar 2013 14:26:58 +0100
Subject: [PATCH] haskell-xdot: jailbreak to fix build with recent versions of
 polyparse

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

diff --git a/pkgs/development/libraries/haskell/xdot/default.nix b/pkgs/development/libraries/haskell/xdot/default.nix
index 57548517bfe..2875861676a 100644
--- a/pkgs/development/libraries/haskell/xdot/default.nix
+++ b/pkgs/development/libraries/haskell/xdot/default.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.2.3";
   sha256 = "0xb8igsqydiw1w00frn4mxkflhxkayif2vivxmq5fk53am2f43wy";
   buildDepends = [ cairo graphviz gtk mtl polyparse text ];
+  jailbreak = true;
   meta = {
     description = "Parse Graphviz xdot files and interactively view them using GTK and Cairo";
     license = self.stdenv.lib.licenses.bsd3;