Revert of Linux build: Use sysroot when calculating dependencies

third_party/dpkg-dev/scripts/Dpkg/Control/Fields.pm

-# Copyright © 2007-2009 Raphaël Hertzog <hertzog@debian.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-package Dpkg::Control::Fields;
-
-use strict;
-use warnings;
-
-our $VERSION = '1.00';
-
-use Carp;
-use Exporter qw(import);
-
-use Dpkg::Control::FieldsCore;
-use Dpkg::Vendor qw(run_vendor_hook);
-
-our @EXPORT = @Dpkg::Control::FieldsCore::EXPORT;
-
-# Register vendor specifics fields
-foreach my $op (run_vendor_hook('register-custom-fields')) {
-    next if not (defined $op and ref $op); # Skip when not implemented by vendor
-    my $func = shift @$op;
-    if ($func eq 'register') {
-        &field_register(@$op);
-    } elsif ($func eq 'insert_before') {
-        &field_insert_before(@$op);
-    } elsif ($func eq 'insert_after') {
-        &field_insert_after(@$op);
-    } else {
-        croak "vendor hook register-custom-fields sent bad data: @$op";
-    }
-}
-
-=encoding utf8
-
-=head1 NAME
-
-Dpkg::Control::Fields - manage (list of official) control fields
-
-=head1 DESCRIPTION
-
-The module contains a list of vendor-neutral and vendor-specific fieldnames
-with associated meta-data explaining in which type of control information
-they are allowed. The vendor-neutral fieldnames and all functions are
-inherited from Dpkg::Control::FieldsCore.
-
-=head1 AUTHOR
-
-Raphaël Hertzog <hertzog@debian.org>.
-
-=cut
-
-1;