From 17c8ebc4a8bac95190206744b3712ad9bc1fbc71 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Fri, 9 Dec 2016 14:00:48 -0500
Subject: [PATCH] Fix the configure check for Vulkan

GDK_WINDOWING_VULKAN was getting defined regardless of the tests.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 8093384b2a..d2c715862b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1325,7 +1325,7 @@ if test "x$enable_vulkan" != "xno"; then
       vulkan_error=""
       AC_CHECK_HEADER([vulkan/vulkan.h], [], [vulkan_error="Vulkan header not found"])
       AC_CHECK_LIB([vulkan], [vkCreateInstance], [], [vulkan_error="Vulkan library not found"])
-      if test "x$vulkan_result" != "x"; then
+      if test "x$vulkan_error" != "x"; then
           if "x$enable_vulkan" = "xyes"; then
               AC_MSG_ERROR($vulkan_error)
           else