From 99e0f93aaca6140d60872b098008b07420bbadba Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Tue, 3 Jul 2018 15:04:20 +0000
Subject: [PATCH] vapoursynth: enable parallel building

---
 pkgs/development/libraries/vapoursynth/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/libraries/vapoursynth/default.nix b/pkgs/development/libraries/vapoursynth/default.nix
index dfef13d6763..74f8598c314 100644
--- a/pkgs/development/libraries/vapoursynth/default.nix
+++ b/pkgs/development/libraries/vapoursynth/default.nix
@@ -35,6 +35,8 @@ stdenv.mkDerivation rec {
     (optionalString (!imwriSupport) "--disable-imwri")
   ];
 
+  enableParallelBuilding = true;
+
   meta = with stdenv.lib; {
     description = "A video processing framework with the future in mind";
     homepage    = http://www.vapoursynth.com/;