From f2655dd0c7cf1b33700446f57cc5651bd29c1831 Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Sat, 8 Apr 2017 19:57:02 -0300
Subject: [PATCH] mesa: patch vulkan manifests when any driver is enabled

---
 pkgs/development/libraries/mesa/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 5fbd6552b4c..b7a5f1a5c90 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -187,7 +187,7 @@ stdenv.mkDerivation {
 
     # set the default search path for DRI drivers; used e.g. by X server
     substituteInPlace "$dev/lib/pkgconfig/dri.pc" --replace '$(drivers)' "${driverLink}"
-  '' + optionalString (builtins.elem "intel" vulkanDrivers) ''
+  '' + optionalString (vulkanDrivers != []) ''
     # move share/vulkan/icd.d/
     mv $out/share/ $drivers/
     # Update search path used by Vulkan (it's pointing to $out but