From 7eaefcae45877937d09fa385e6654c0e0334b772 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Tue, 15 Oct 2013 00:02:47 +0200
Subject: [PATCH] haskell-groupoids: don't try to build documentation; this
 package is empty

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

diff --git a/pkgs/development/libraries/haskell/groupoids/default.nix b/pkgs/development/libraries/haskell/groupoids/default.nix
index f210d5a1a7b..7697e8e369f 100644
--- a/pkgs/development/libraries/haskell/groupoids/default.nix
+++ b/pkgs/development/libraries/haskell/groupoids/default.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "4.0";
   sha256 = "08la44c19pz2clws5mb939zc1d17cb6qy9qlh2n1634pl0zrawb6";
   buildDepends = [ semigroupoids ];
+  noHaddock = true;
   meta = {
     homepage = "http://github.com/ekmett/groupoids/";
     description = "This package has been absorbed into semigroupoids 4.0";