$NetBSD: patch-ac,v 1.1 2007/08/15 18:03:32 joerg Exp $

--- configure.ac.orig	2007-08-15 19:56:03.000000000 +0200
+++ configure.ac
@@ -70,7 +70,7 @@ sdkdir=$(pkg-config --variable=sdkdir xo
 # Checks for header files.
 AC_HEADER_STDC
 
-if test "$DRI" != no; then
+if test "x$DRI" = xauto; then
         AC_CHECK_FILE([${sdkdir}/dri.h],
                       [have_dri_h="yes"], [have_dri_h="no"])
         AC_CHECK_FILE([${sdkdir}/sarea.h],