From 213aefac174fa513cfa646bc87f7b51fc138c6b8 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 27 Feb 2007 00:49:47 +0000
Subject: [PATCH] * Look for the current OpenGL driver in
 /var/state/opengl-driver.

svn path=/nixpkgs/trunk/; revision=8068
---
 pkgs/build-support/opengl/mesa-switch.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/build-support/opengl/mesa-switch.sh b/pkgs/build-support/opengl/mesa-switch.sh
index 8dcabc07dea3..59a316d8af0c 100644
--- a/pkgs/build-support/opengl/mesa-switch.sh
+++ b/pkgs/build-support/opengl/mesa-switch.sh
@@ -6,6 +6,10 @@ if test -z "$OPENGL_DRIVER"; then
     if test -d "$profile/lib"; then
         OPENGL_DRIVER=$profile
     fi
+    # OpenGL driver for current X server on NixOS.
+    if test -d /var/state/opengl-driver; then
+        OPENGL_DRIVER=/var/state/opengl-driver
+    fi
 fi
 
 if test -z "$OPENGL_DRIVER"; then