From be177465498e35425d36be84bc55b64bf91be84c Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 4 Oct 2013 08:40:49 +0100
Subject: intel-virtual-overlay: Error out if no X11 SHM header is defined

Make the error explicit rather than dieing later with unknown constants.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 tools/virtual.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'tools/virtual.c')

diff --git a/tools/virtual.c b/tools/virtual.c
index 74f402d4..160d6a1d 100644
--- a/tools/virtual.c
+++ b/tools/virtual.c
@@ -36,6 +36,8 @@
 #include <X11/extensions/shmproto.h>
 #elif HAVE_X11_EXTENSIONS_SHMSTR_H
 #include <X11/extensions/shmstr.h>
+#else
+#error Failed to find the right header for X11 MIT-SHM protocol definitions
 #endif
 #include <X11/extensions/Xdamage.h>
 #include <X11/extensions/Xinerama.h>
-- 
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