From ff31b14cc51d3f493c62fb3074edc0c57fe8b7ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
Date: Wed, 12 Aug 2015 10:16:12 +0200
Subject: [PATCH] Making openimageio use parallel building.

---
 pkgs/applications/graphics/openimageio/default.nix | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/graphics/openimageio/default.nix b/pkgs/applications/graphics/openimageio/default.nix
index 473db68dc274..a7271f95f0ed 100644
--- a/pkgs/applications/graphics/openimageio/default.nix
+++ b/pkgs/applications/graphics/openimageio/default.nix
@@ -20,11 +20,13 @@ stdenv.mkDerivation rec {
     "-DUSE_PYTHON=OFF"
   ];
 
-  buildPhase = ''
-    make ILMBASE_HOME=${ilmbase} OPENEXR_HOME=${openexr} USE_PYTHON=0 \
-      INSTALLDIR=$out dist_dir=
+  preBuild = ''
+    makeFlags="ILMBASE_HOME=${ilmbase} OPENEXR_HOME=${openexr} USE_PYTHON=0
+      INSTALLDIR=$out dist_dir="
   '';
 
+  enableParallelBuilding = true;
+
   meta = with stdenv.lib; {
     homepage = http://www.openimageio.org;
     description = "A library and tools for reading and writing images";