From 02caf57ceefff6c3890208782bcdae864d393175 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 14 Jan 2015 21:27:30 +0100
Subject: [PATCH] jailbreak-cabal: build with Cabal 1.18.x on GHC 7.6.x

---
 pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix
index 55d2395cdcb..78ee237fd8d 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.6.x.nix
@@ -42,4 +42,8 @@ self: super: {
 
   # https://github.com/tibbe/hashable/issues/85
   hashable = dontCheck super.hashable;
+
+  # Needs Cabal >= 1.18.x.
+  jailbreak-cabal = super.jailbreak-cabal.override { Cabal = self.Cabal_1_18_1_6; };
+
 }