From a9c9040a02ba4acce12c15b85c4dc967bcc752aa Mon Sep 17 00:00:00 2001
From: Ivan Jager <aij+git@mrph.org>
Date: Thu, 22 Jun 2017 13:47:39 -0500
Subject: [PATCH] libatomic_ops: Provide alternate URL

www.ivmaisoft.com is currently down.
---
 pkgs/development/libraries/libatomic_ops/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libatomic_ops/default.nix b/pkgs/development/libraries/libatomic_ops/default.nix
index 33209f2fd446..eedc0993d736 100644
--- a/pkgs/development/libraries/libatomic_ops/default.nix
+++ b/pkgs/development/libraries/libatomic_ops/default.nix
@@ -5,7 +5,10 @@ stdenv.mkDerivation rec {
   version = "7.6.0";
 
   src = fetchurl {
-    url = "http://www.ivmaisoft.com/_bin/atomic_ops/libatomic_ops-${version}.tar.gz";
+    urls = [
+      "http://www.ivmaisoft.com/_bin/atomic_ops/libatomic_ops-${version}.tar.gz"
+      "https://github.com/ivmai/libatomic_ops/releases/download/v${version}/libatomic_ops-${version}.tar.gz"
+    ];
     sha256 ="03ylfr29g9zc0r6b6axz3i68alj5qmxgzknxwam3jlx0sz8hcb4f";
   };