--- Tk-804.027/myConfig	2004-02-28 11:59:28.000000000 -0500
+++ Tk-804.027.new/myConfig	2006-06-13 16:29:35.000000000 -0400
@@ -309,7 +309,7 @@ if ($win_arch eq 'x') {
 
   die "Cannot find -lX11 anywhere" unless(defined $xlib);
 
-  ($base) = $xlib =~ m#-L(.*)(?:/lib)$#x;
+  ($base) = $xlib =~ m#-L(.*)(?:/lib(64))$#x;
   if (defined $X11INC)
     {
       $xinc = &IX11("$X11INC");