From cb582a87c9be055ab89ce3ec7b45ed02de698fe3 Mon Sep 17 00:00:00 2001
From: Marc Weber <marco-oweber@gmx.de>
Date: Sun, 24 Jan 2010 15:39:46 +0000
Subject: [PATCH] cabal: add noHadock env var. Eg haddock can't create docs for
 haskell-src-exts

svn path=/nixpkgs/trunk/; revision=19636
---
 pkgs/development/libraries/haskell/cabal/cabal.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/haskell/cabal/cabal.nix b/pkgs/development/libraries/haskell/cabal/cabal.nix
index f6220cb0fb3..5b9ac3da9b6 100644
--- a/pkgs/development/libraries/haskell/cabal/cabal.nix
+++ b/pkgs/development/libraries/haskell/cabal/cabal.nix
@@ -67,7 +67,7 @@ attrs :
               ./Setup build
 
               export GHC_PACKAGE_PATH=$(ghc-packages)
-              ./Setup haddock
+              [ -n "$noHadock" ] || ./Setup haddock
 
               eval "$postBuild"
             '';