[thirdparty/openssl.git] / util / perl / with_fallback.pm

# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (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;
Commit	Line	Data
1212818e	1	# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
ac3d0e13	2	#
9059ab42	3	# Licensed under the Apache License 2.0 (the "License"). You may not use
ac3d0e13 RS	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
35c3a562 RL	7
	8	package with_fallback;
	9
	10	sub import {
e9bc5706 RL	11	shift;
e9bc5706 RL	12
35c3a562 RL	13	use File::Basename;
	14	use File::Spec::Functions;
	15	foreach (@_) {
e9bc5706	16	eval "use $_";
35c3a562	17	if ($@) {
cb6afcd6 RL	18	unshift @INC, catdir(dirname(__FILE__),
cb6afcd6 RL	19	"..", "..", "external", "perl");
35c3a562	20	my $transfer = "transfer::$_";
e9bc5706	21	eval "use $transfer";
35c3a562 RL	22	shift @INC;
	23	warn $@ if $@;
	24	}
	25	}
	26	}
	27	1;