blob: 242365033fc4c0240b7ceabf49c4f55fcfa5b0ea [file] [log] [blame]
yuezonghe824eb0c2024-06-27 02:32:26 -07001# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
2#
3# Licensed under the OpenSSL license (the "License"). You may not use
4# this file except in compliance with the License. You can obtain a copy
5# in the file LICENSE in the source distribution or at
6# https://www.openssl.org/source/license.html
7
8package with_fallback;
9
10sub import {
11 shift;
12
13 use File::Basename;
14 use File::Spec::Functions;
15 foreach (@_) {
16 eval "use $_";
17 if ($@) {
18 unshift @INC, catdir(dirname(__FILE__),
19 "..", "..", "external", "perl");
20 my $transfer = "transfer::$_";
21 eval "use $transfer";
22 shift @INC;
23 warn $@ if $@;
24 }
25 }
26}
271;