From 0c3cddfc5277f26a4ebda0fff3fc796fb07804cd Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 25 Aug 2014 11:46:45 +0200
Subject: [PATCH] Build cabal-install-0.14.0 with network 2.3.x on GHC 7.4.2
 and below.

Fixes <https://github.com/NixOS/nixpkgs/pull/3770>.
---
 pkgs/top-level/haskell-defaults.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index c8389f259c57..9a064212a40e 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -59,6 +59,10 @@
 
   ghc742Prefs = self : super : ghc763Prefs self super // {
     aeson = self.aeson_0_7_0_4.override { blazeBuilder = self.blazeBuilder; };
+    cabalInstall_0_14_0 = super.cabalInstall_0_14_0.override {
+      HTTP = self.HTTP.override { network = self.network_2_3_0_13; };
+      network = self.network_2_3_0_13;
+    };
     extensibleExceptions = null;        # core package in ghc <= 7.4.x
     hackageDb = super.hackageDb.override { Cabal = self.Cabal_1_16_0_3; };
     haddock = self.haddock_2_11_0;