}
FindExt::scan_ext("../ext");
-FindExt::scan_ext("ext");
+FindExt::scan_ext("ext") if -d 'ext'; # also look in win32/ext/ if it exists
FindExt::set_static_extensions(split ' ', $opt{'static_ext'});
my @dynamic_ext = grep(!/Thread/,FindExt::dynamic_ext());