From 20c31e65ab922f4b079c056dae3a0e28a01920de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Mon, 15 Feb 2016 17:05:31 +0100
Subject: [PATCH] libva: use a cleaner installation method

(cherry-picked from commit 8ea5563011ee202eda146e2cc8f8754f239303cf)
Tweaked not to cause a mass rebuild ATM.
---
 pkgs/development/libraries/libva/default.nix | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/pkgs/development/libraries/libva/default.nix b/pkgs/development/libraries/libva/default.nix
index e04c3b9828d..3b4c6235686 100644
--- a/pkgs/development/libraries/libva/default.nix
+++ b/pkgs/development/libraries/libva/default.nix
@@ -21,16 +21,11 @@ stdenv.mkDerivation rec {
 
   configureFlags = lib.optionals (!minimal) [
     "--with-drivers-path=${mesa_noglu.driverLink}/lib/dri"
-     "--enable-glx" 
-   ];
+    "--enable-glx"
+  ];
 
-   installFlags = lib.optional (!minimal) "DESTDIR=$(out)";
-
-  postInstall = lib.optionalString (!minimal) ''
-    cp -r $out/${mesa_noglu.driverLink}/* $out
-    cp -r $out/$out/* $out
-    rm -rf $out/run $out/$(echo "$out" | cut -d "/" -f2)
-  '';
+  installFlags = lib.optional (!minimal) "dummy_drv_video_ladir=$(out)/lib/dri";
+  postInstall = "";
 
   meta = with stdenv.lib; {
     homepage = http://www.freedesktop.org/wiki/Software/vaapi;