From b336ed89e6ad3bf804e7cebaa790c99cac55c155 Mon Sep 17 00:00:00 2001
From: Vladimír Čunát <vcunat@gmail.com>
Date: Wed, 23 Mar 2016 20:20:36 +0100
Subject: zopfli: disable parallel building

It was failing often, e.g.:
https://hydra.nixos.org/build/32101335/nixlog/1/raw
---
 pkgs/tools/compression/zopfli/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/tools/compression/zopfli/default.nix b/pkgs/tools/compression/zopfli/default.nix
index 8aeeb3b9e516..07e2eb194695 100644
--- a/pkgs/tools/compression/zopfli/default.nix
+++ b/pkgs/tools/compression/zopfli/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  enableParallelBuilding = true;
+  enableParallelBuilding = false; # problems, easily reproducible
   buildFlags = [
     "zopfli"
     "libzopfli"
-- 
cgit 1.4.1