From 7ed1826e2e2a5b5c4840821c92ef7273efe32e24 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Sat, 2 Jul 2011 13:46:42 +0200
Subject: [PATCH] configure: Require libudev for drm & wayland egl platforms

NOTE: This is a candidate for the 7.11 branch.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 74a511edd2b..7d0f3d8ba5c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1724,6 +1724,10 @@ yes)
         if test "$plat" = "drm" && test "x$enable_gbm" = "xno"; then
                 AC_MSG_ERROR([EGL platform drm needs gbm])
         fi
+        case "$plat$have_libudev" in
+                waylandno|drmno)
+                    AC_MSG_ERROR([cannot build $plat platfrom without udev]) ;;
+        esac
     done
     EGL_PLATFORMS="$egl_platforms"
     ;;