From 4e344bb5cec4a8458f7507b8d7908685d5702dc9 Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Sun, 26 Nov 2017 20:12:23 +0000
Subject: [PATCH] retroarch: enable parallel building

---
 pkgs/misc/emulators/retroarch/cores.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/misc/emulators/retroarch/cores.nix b/pkgs/misc/emulators/retroarch/cores.nix
index ab1e71380c13..c186b1a2cf18 100644
--- a/pkgs/misc/emulators/retroarch/cores.nix
+++ b/pkgs/misc/emulators/retroarch/cores.nix
@@ -16,7 +16,8 @@ let
 
     buildInputs = [ makeWrapper retroarch zlib ] ++ a.extraBuildInputs or [];
 
-    buildPhase = "make -f Makefile.libretro";
+    makefile = "Makefile.libretro";
+
     installPhase = ''
       COREDIR="$out/lib/retroarch/cores"
       mkdir -p $out/bin