$NetBSD: patch-ae,v 1.1 2006/06/13 13:24:36 dsainty Exp $

Don't fail if the display has multiple visuals.  Just default to the default
one and don't concern ourselves with the others.

Check if MIT-SHM is available before trying XShmQueryVersion(), since
XShmQueryVersion() will abort outright if MIT-SHM isn't available.

--- src/Screen.c.orig	2002-01-16 04:46:43.000000000 +1300
+++ src/Screen.c	2006-06-03 19:08:48.000000000 +1200
@@ -286,11 +286,6 @@
 	VisualTmpl.depth = DefDepth;
 	MyVisual = XGetVisualInfo ( dpy, VisualScreenMask | VisualDepthMask,
 		&VisualTmpl, &visuals );
-	if ( visuals != 1 ) {
-		fprintf ( stderr, "can't handle default screen with multiple "
-			"visuals\n" );
-		exit ( 1 );
-	}
 	VisualClass = MyVisual->class;
 	XFree ( MyVisual );
 
@@ -381,7 +376,8 @@
 	 * See if we can use shared memory
 	 */
 
-    if ( XShmQueryVersion ( dpy, &dummy, &dummy, &SharedPixmapSupport ))
+    if ( XShmQueryExtension ( dpy ) &&
+         XShmQueryVersion ( dpy, &dummy, &dummy, &SharedPixmapSupport ))
 	{
 		if ( SharedPixmapSupport )
 		{