1# 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; 28