From a86f119dfc25c308d0c92a76009eeb13fb43d27d Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 23 Jan 2014 22:34:19 +0100
Subject: haskell-either: disable the documentation build on GHC 7.4.x or
 earlier

---
 pkgs/development/libraries/haskell/either/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/haskell/either/default.nix b/pkgs/development/libraries/haskell/either/default.nix
index cec991fab3f4..d6853f4cf4c2 100644
--- a/pkgs/development/libraries/haskell/either/default.nix
+++ b/pkgs/development/libraries/haskell/either/default.nix
@@ -10,6 +10,7 @@ cabal.mkDerivation (self: {
     monadControl MonadRandom mtl semigroupoids semigroups transformers
     transformersBase
   ];
+  noHaddock = self.stdenv.lib.versionOlder self.ghc.version "7.6";
   meta = {
     homepage = "http://github.com/ekmett/either/";
     description = "An either monad transformer";
-- 
cgit 1.4.1