From 5e7de2f4576067bd8bee47eba59c4fd5ea28cd21 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 12 May 2014 14:19:11 +0200
Subject: [PATCH] haskell-ariadne: fix build with ghc < 7.8

---
 pkgs/top-level/haskell-defaults.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index c3d03cdbc843..852eeebe21e8 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -21,6 +21,11 @@
   };
 
   ghc763Prefs = self : super : ghc782Prefs self super // {
+    ariadne = super.ariadne.override {
+      haskellNames = self.haskellNames.override {
+        haskellPackages = self.haskellPackages.override { Cabal = self.Cabal_1_18_1_3; };
+      };
+    };
     binaryConduit = super.binaryConduit.override { binary = self.binary_0_7_0_1; };
     bson = super.bson.override { dataBinaryIeee754 = self.dataBinaryIeee754.override { binary = self.binary_0_7_0_1; }; };
     criterion = super.criterion.override {