From 52d76b64e000c83edd75b78775343cb122a66fa5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sun, 1 Nov 2015 21:49:51 +0100
Subject: [PATCH] gnu: xz: Add alternate URL.

Fixes <http://bugs.gnu.org/21784>.

* gnu/packages/compression.scm (xz)[source]: Add alternate URL.
---
 gnu/packages/compression.scm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index a9e942efd5..fd3a9ce98e 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -263,8 +263,10 @@ compressed with pbzip2 can be decompressed with bzip2).")
    (version "5.0.4")
    (source (origin
             (method url-fetch)
-            (uri (string-append "http://tukaani.org/xz/xz-" version
-                                ".tar.gz"))
+            (uri (list (string-append "http://tukaani.org/xz/xz-" version
+                                      ".tar.gz")
+                       (string-append "http://multiprecision.org/guix/xz-"
+                                      version ".tar.gz")))
             (sha256
              (base32
               "1dl35ca8fdss9z2d6y234gxh24ixq904xksizrjmjr5dimwhax6n"))))