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e9bc570674
This enables us to require module versions, and to fall back to a bundled version if the system version is too low. Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/6682)
28 lines
691 B
Perl
28 lines
691 B
Perl
# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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package with_fallback;
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sub import {
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shift;
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use File::Basename;
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use File::Spec::Functions;
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foreach (@_) {
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eval "use $_";
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if ($@) {
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unshift @INC, catdir(dirname(__FILE__),
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"..", "..", "external", "perl");
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my $transfer = "transfer::$_";
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eval "use $transfer";
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shift @INC;
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warn $@ if $@;
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}
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}
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}
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1;
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