From d0f681d6573a4a56527bfbc2cf0e08a0c16b6d82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?=
 <viric@vicerveza.homeunix.net>
Date: Tue, 13 Jul 2010 19:12:42 +0000
Subject: [PATCH] Fixing virtualgl for 'vglrun' to work fine and simple, under
 xproxy (like tigervnc).

svn path=/nixpkgs/trunk/; revision=22586
---
 pkgs/tools/X11/virtualgl/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/tools/X11/virtualgl/default.nix b/pkgs/tools/X11/virtualgl/default.nix
index 42d70251d5d..433c22d128d 100644
--- a/pkgs/tools/X11/virtualgl/default.nix
+++ b/pkgs/tools/X11/virtualgl/default.nix
@@ -1,5 +1,8 @@
 {stdenv, fetchurl, mesa, libX11, openssl, libXext, libjpeg_turbo}:
 
+let
+  libDir = if stdenv.is64bit then "lib64" else "lib";
+in
 stdenv.mkDerivation {
   name = "virtualgl-2.1.4";
   src = fetchurl {
@@ -9,6 +12,10 @@ stdenv.mkDerivation {
 
   patches = [ ./xshm.patch ];
 
+  prePatch = ''
+    sed -i s,LD_PRELOAD=lib,LD_PRELOAD=$out/${libDir}/lib, rr/vglrun
+  '';
+
   preInstall =''
     export makeFlags="prefix=$out"
   '';