From 3f77afc2b9c603f5bef27c0ee073a1fa2a270d91 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 2 Feb 2015 12:21:30 +0100
Subject: [PATCH] haskell-monad-levels: doesn't build with GHC 7.8.4 because of
 transformers 0.4.x

---
 pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
index 7c729138ff5e..74dcb24ec77d 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
@@ -71,6 +71,9 @@ self: super: {
   seqid = super.seqid_0_1_0;
   seqid-streams = super.seqid-streams_0_1_0;
 
+  # https://github.com/ivan-m/monad-levels/issues/1
+  monad-levels = dontDistribute super.monad-levels;
+
 }
 
 // # packages relating to amazonka