Linux build: Use sysroot when calculating dependencies

third_party/dpkg-dev/scripts/Dpkg/Control/Hash.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::Hash;
+
+use strict;
+use warnings;
+
+our $VERSION = '1.00';
+
+use Dpkg::Gettext;
+use Dpkg::ErrorHandling;
+use Dpkg::Control::Fields; # Force execution of vendor hook.
+
+use parent qw(Dpkg::Control::HashCore);
+
+=encoding utf8
+
+=head1 NAME
+
+Dpkg::Control::Hash - parse and manipulate a block of RFC822-like fields
+
+=head1 DESCRIPTION
+
+This module is just like Dpkg::Control::HashCore, with vendor-specific
+field knowledge.
+
+=head1 AUTHOR
+
+Raphaël Hertzog <hertzog@debian.org>.
+
+=cut
+
+1;