From da88a3a81e09d052f162122e112f987981da65e4 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sat, 14 Dec 2013 15:11:19 +0100
Subject: [PATCH] haskell-markdown-unlit: cannot generate documentation with
 Haddock shipped with ghc 7.0.4 or earlier

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

diff --git a/pkgs/development/libraries/haskell/markdown-unlit/default.nix b/pkgs/development/libraries/haskell/markdown-unlit/default.nix
index 06c1b9e2fca..e09feb10d90 100644
--- a/pkgs/development/libraries/haskell/markdown-unlit/default.nix
+++ b/pkgs/development/libraries/haskell/markdown-unlit/default.nix
@@ -7,6 +7,7 @@ cabal.mkDerivation (self: {
   isLibrary = true;
   isExecutable = true;
   testDepends = [ hspec QuickCheck silently stringbuilder ];
+  noHaddock = self.stdenv.lib.versionOlder self.ghc.version "7.4";
   meta = {
     description = "Literate Haskell support for Markdown";
     license = self.stdenv.lib.licenses.mit;