From a9056be563025d8e72afeecec3410701edb0a342 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 5 Mar 2014 15:25:13 +0100
Subject: [PATCH] persistent-postgresql: jailbrek to fix build with recent
 postgresql-libpq

---
 .../libraries/haskell/persistent-postgresql/default.nix          | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/haskell/persistent-postgresql/default.nix b/pkgs/development/libraries/haskell/persistent-postgresql/default.nix
index 9853969d9f10..acb7b3ce5b5c 100644
--- a/pkgs/development/libraries/haskell/persistent-postgresql/default.nix
+++ b/pkgs/development/libraries/haskell/persistent-postgresql/default.nix
@@ -10,6 +10,7 @@ cabal.mkDerivation (self: {
     aeson blazeBuilder conduit monadControl persistent postgresqlLibpq
     postgresqlSimple text time transformers
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://www.yesodweb.com/book/persistent";
     description = "Backend for the persistent library using postgresql";