From 1b95228a53a06378e1c5df759195e5ae4389d7ef Mon Sep 17 00:00:00 2001
From: codyopel <codyopel@gmail.com>
Date: Tue, 5 May 2015 08:41:54 -0400
Subject: [PATCH] libva-intel-driver: refactor

---
 .../libraries/vaapi-intel/default.nix         | 20 ++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/libraries/vaapi-intel/default.nix b/pkgs/development/libraries/vaapi-intel/default.nix
index 8eddb2b0ae8a..d873d801bac7 100644
--- a/pkgs/development/libraries/vaapi-intel/default.nix
+++ b/pkgs/development/libraries/vaapi-intel/default.nix
@@ -1,4 +1,6 @@
-{ stdenv, fetchurl, pkgconfig, libdrm, libva, libX11, intel-gpu-tools, mesa_noglu, wayland, python, gnum4 }:
+{ stdenv, fetchurl, gnum4, pkgconfig, python
+, intel-gpu-tools, libdrm, libva, libX11, mesa_noglu, wayland
+}:
 
 stdenv.mkDerivation rec {
   name = "libva-intel-driver-1.5.1";
@@ -8,16 +10,24 @@ stdenv.mkDerivation rec {
     sha256 = "1p7aw0wmb6z3rbbm3bqlp6rxw41kii23csbjmcvbbk037lq6rnqb";
   };
 
-  prePatch = ''
-    sed -i 's,#!/usr/bin/env python,#!${python}/bin/python,' src/shaders/gpp.py
+  patchPhase = ''
+    patchShebangs ./src/shaders/gpp.py
   '';
 
-  buildInputs = [ pkgconfig libdrm libva libX11 intel-gpu-tools mesa_noglu wayland gnum4 ];
-
   preConfigure = ''
     sed -i -e "s,LIBVA_DRIVERS_PATH=.*,LIBVA_DRIVERS_PATH=$out/lib/dri," configure
   '';
 
+  configureFlags = [
+    "--enable-drm"
+    "--enable-x11"
+    "--enable-wayland"
+  ];
+
+  nativeBuildInputs = [ gnum4 pkgconfig python ];
+
+  buildInputs = [ intel-gpu-tools libdrm libva libX11 mesa_noglu wayland ];
+
   meta = with stdenv.lib; {
     homepage = http://cgit.freedesktop.org/vaapi/intel-driver/;
     license = licenses.mit;