From e4672f42e54130f10e1986c86586ffbda5539eab Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 2 Oct 2009 15:06:07 +0000
Subject: [PATCH] svn path=/nixpkgs/trunk/; revision=17613

---
 pkgs/os-specific/linux/btrfsprogs/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/os-specific/linux/btrfsprogs/default.nix b/pkgs/os-specific/linux/btrfsprogs/default.nix
index c7a8bb58d03..1dc92c15d5d 100644
--- a/pkgs/os-specific/linux/btrfsprogs/default.nix
+++ b/pkgs/os-specific/linux/btrfsprogs/default.nix
@@ -7,6 +7,9 @@ let
     zlib libuuid acl 
   ];
 in
+
+assert libuuid != null;
+
 rec {
   src = fetchurl {
     url = "http://www.kernel.org/pub/linux/kernel/people/mason/btrfs/btrfs-progs-${version}.tar.bz2";