From 1a07ecf9c5b832963842201f60727ca67df4f22c Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 28 Dec 2015 13:25:45 +0100
Subject: [PATCH] Add LTS Haskell 3.20.

---
 pkgs/top-level/haskell-packages.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index ab3a1e06393..7a44d9303bd 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -313,6 +313,9 @@ rec {
     lts-3_19 = packages.ghc7102.override {
       packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-3.19.nix { };
     };
+    lts-3_20 = packages.ghc7102.override {
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-3.20.nix { };
+    };
 
   };
 }