From d1edaee3c010a50ad3a6c8b738b7085ebc186173 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sat, 20 Sep 2014 17:58:46 +0200
Subject: [PATCH] haskell-websockets-snap: jailbreak to fix build with recent
 io-streams

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

diff --git a/pkgs/development/libraries/haskell/websockets-snap/default.nix b/pkgs/development/libraries/haskell/websockets-snap/default.nix
index bd68d64b757..0325d9d9af0 100644
--- a/pkgs/development/libraries/haskell/websockets-snap/default.nix
+++ b/pkgs/development/libraries/haskell/websockets-snap/default.nix
@@ -12,6 +12,7 @@ cabal.mkDerivation (self: {
     blazeBuilder enumerator ioStreams mtl snapCore snapServer
     websockets
   ];
+  jailbreak = true;
   meta = {
     description = "Snap integration for the websockets library";
     license = self.stdenv.lib.licenses.bsd3;