openssl/util/perl/with_fallback.pm

28 lines
696 B
Perl

# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
package with_fallback;
sub import {
shift;
use File::Basename;
use File::Spec::Functions;
foreach (@_) {
eval "use $_";
if ($@) {
unshift @INC, catdir(dirname(__FILE__),
"..", "..", "external", "perl");
my $transfer = "transfer::$_";
eval "use $transfer";
shift @INC;
warn $@ if $@;
}
}
}
1;