From c849ecc19a4cb2951a8b9e8d257632f492ab2517 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 30 Jan 2014 10:44:58 -0800
Subject: [PATCH] dri: Add a useful error message if someone's packages missed
 libudev deps.

Reviewed-by: Matt Turner <mattst88@gmail.com>
---
 src/loader/loader.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/loader/loader.c b/src/loader/loader.c
index 5d258994308..811f8a25713 100644
--- a/src/loader/loader.c
+++ b/src/loader/loader.c
@@ -111,6 +111,11 @@ udev_dlopen_handle(void)
           * might be ia64.
           */
          udev_handle = dlopen("libudev.so.0", RTLD_LOCAL | RTLD_LAZY);
+
+         if (!udev_handle) {
+            log_(_LOADER_FATAL, "Couldn't dlopen libudev.so.1 or libudev.so.0, "
+                 "driver detection may be broken.\n");
+         }
       }
    }
 
-- 
2.30.2