From cd134371207d086671382b17822fa88499b7c9f9 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 15 May 2014 19:32:14 +0200
Subject: [PATCH] haskell-aeson: jailbreak to fix build with scientific 0.3.x

---
 pkgs/development/libraries/haskell/aeson/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/haskell/aeson/default.nix b/pkgs/development/libraries/haskell/aeson/default.nix
index 9672111dc42..7c8dd42c005 100644
--- a/pkgs/development/libraries/haskell/aeson/default.nix
+++ b/pkgs/development/libraries/haskell/aeson/default.nix
@@ -16,6 +16,9 @@ cabal.mkDerivation (self: {
     attoparsec HUnit QuickCheck testFramework testFrameworkHunit
     testFrameworkQuickcheck2 text time unorderedContainers vector
   ];
+  patchPhase = ''
+    sed -i -e 's|scientific >=.*,|scientific,|' aeson.cabal
+  '';
   meta = {
     homepage = "https://github.com/bos/aeson";
     description = "Fast JSON parsing and encoding";