From 19dd74c59a92d83244f6f6e790a821e59c53ce05 Mon Sep 17 00:00:00 2001
From: Florian Friesdorf <flo@chaoflow.net>
Date: Mon, 7 Jul 2014 18:24:31 +0200
Subject: [PATCH] libxml2 version passthru

---
 pkgs/development/libraries/libxml2/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index b235c746e1a0..7e3ee3e9adc7 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -4,8 +4,12 @@ assert pythonSupport -> python != null;
 
 #TODO: share most stuff between python and non-python builds, perhaps via multiple-output
 
+let
+  version = "2.9.1";
+in
+
 stdenv.mkDerivation (rec {
-  name = "libxml2-2.9.1";
+  name = "libxml2-${version}";
 
   src = fetchurl {
     url = "ftp://xmlsoft.org/libxml2/${name}.tar.gz";
@@ -22,7 +26,7 @@ stdenv.mkDerivation (rec {
 
   setupHook = ./setup-hook.sh;
 
-  passthru = { inherit pythonSupport; };
+  passthru = { inherit pythonSupport version; };
 
   enableParallelBuilding = true;