From d10badf202ef054b6ac676af53456f3bb2a2f56b Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 21 Sep 2011 16:46:48 +0000
Subject: [PATCH] haskell-graphviz: build with the latest fgl version

This change is required for building the Haskell prolog interpreter.

svn path=/nixpkgs/trunk/; revision=29416
---
 pkgs/top-level/haskell-packages.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b7bc9ff93974..864aac897451 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -634,7 +634,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   Graphalyze = callPackage ../development/libraries/haskell/Graphalyze {};
 
-  graphviz = callPackage ../development/libraries/haskell/graphviz {};
+  graphviz = callPackage ../development/libraries/haskell/graphviz {
+    fgl = self.fgl_5_4_2_4;
+  };
 
   hakyll = callPackage ../development/libraries/haskell/hakyll {
     hamlet = self.hamlet_0_8_2_1;