From d51617e877cf3a065bca08fd28363b6d5d0050f1 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 12 May 2014 14:28:00 +0200
Subject: [PATCH] haskell-pipes-binary: fix build with ghc < 7.8

---
 pkgs/top-level/haskell-defaults.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index 852eeebe21e..5a541c160bf 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -34,6 +34,7 @@
       };
     };
     haddock = self.haddock_2_13_2;
+    pipesBinary = super.pipesBinary.override { binary = self.binary_0_7_0_1; };
     transformers = self.transformers_0_3_0_0;
   };