foreach (@INC) {
	chop($_ = VMS::Filespec::unixpath($_)) if $Is_VMS;
	my $dir;
	if ($Is_MacOS) {
	    my $path = $_;
	    if ($Mac_FS && ! -d $path) {
		$path = Mac::FileSpec::Unixish::nativize($path);
	    }
	    $path .= ":"  unless /:$/;
	    $dir = "${path}auto:$modpname";
	} else {
	    $dir = "$_/auto/$modpname";
	}
	
	next unless -d $dir; # skip over uninteresting directories
	
	# check for common cases to avoid autoload of dl_findfile
	my $try = $Is_MacOS ? "$dir:$modfname.$dl_dlext" : "$dir/$modfname.$dl_dlext";
	last if $file = ($do_expand) ? dl_expandspec($try) : ((-f $try) && $try);
	
	# no luck here, save dir for possible later dl_findfile search
	push @dirs, $dir;
    }

##</code><code>##

Couldn't find Module.dll in site/lib/auto/your, or site/lib/auto or site/lib or site/lib/some/other/module/You/Used or site/lib/some/Other/Random/Place/WeT/hought/To/Try/ ...