From ea2b690b38425226f801c62f6aba0622c7036dcc Mon Sep 17 00:00:00 2001
From: spl <simon@raspberrypi.org>
Date: Tue, 9 Feb 2016 13:52:03 +0000
Subject: [PATCH] raspi-config now checks for mesa driver before allowing GL
 driver to be enabled.

---
 raspi-config | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/raspi-config b/raspi-config
index 7d0f501..d4fefbc 100755
--- a/raspi-config
+++ b/raspi-config
@@ -1003,6 +1003,10 @@ do_gldriver() {
     whiptail --msgbox "Driver and kernel not present on your system. Please update" 20 60 2
     return 1
   fi
+  if [ $(dpkg -l libgl1-mesa-dri | tail -n 1 | cut -d ' ' -f 1) != "ii" ]; then
+    whiptail --msgbox "libgl1-mesa-dri not found - please install" 20 60 2
+    return 1
+  fi
   if [ ! -e /usr/bin/xcompmgr ]; then
     whiptail --msgbox "xcompmgr not found - please install" 20 60 2
     return 1