From 8baf727bad4252923b643177e04b4b0292e798d1 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 15 May 2014 19:56:16 +0200
Subject: [PATCH] haskell-yap: jailbreak to fix build with recent versions of
 'base'

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

diff --git a/pkgs/development/libraries/haskell/yap/default.nix b/pkgs/development/libraries/haskell/yap/default.nix
index ab162988c95..e21948de974 100644
--- a/pkgs/development/libraries/haskell/yap/default.nix
+++ b/pkgs/development/libraries/haskell/yap/default.nix
@@ -4,6 +4,7 @@ cabal.mkDerivation (self: {
   pname = "yap";
   version = "0.2";
   sha256 = "14lq549jhgnf51pgy1jv31ik8qx71yl7d53w8dpq1f9mlsn1g16i";
+  jailbreak = true;
   meta = {
     description = "yet another prelude - a simplistic refactoring with algebraic classes";
     license = self.stdenv.lib.licenses.bsd3;