From 9626eedebf620559652ffb1fefa82b5d659e57be Mon Sep 17 00:00:00 2001
From: Julien Cristau <jcristau@debian.org>
Date: Thu, 24 Jun 2010 18:45:11 +0100
Subject: [PATCH] configure: bail if Xephyr was requested but its dependencies
 are missing

Signed-off-by: Julien Cristau <jcristau@debian.org>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 4491e9094..5c18a12cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2073,6 +2073,9 @@ if test "$KDRIVE" = yes; then
     if test "x$XEPHYR" = xauto; then
         XEPHYR=$xephyr
     fi
+    if test "x$XEPHYR" = xyes && test "x$xephyr" = xno; then	
+        AC_MSG_ERROR([Xephyr dependencies missing])
+    fi
 
     # Xephyr needs nanosleep() which is in librt on Solaris
     AC_CHECK_FUNC([nanosleep], [],