Revert of Linux build: Use sysroot when calculating dependencies

third_party/dpkg-dev/scripts/Dpkg.pm

-# 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;
-
-use strict;
-use warnings;
-
-our $VERSION = '1.01';
-
-use Exporter qw(import);
-our @EXPORT_OK = qw($PROGNAME $PROGVERSION $CONFDIR $ADMINDIR $LIBDIR $DATADIR);
-our @EXPORT = qw($version $progname $admindir $dpkglibdir $pkgdatadir);
-
-our ($PROGNAME) = $0 =~ m{(?:.*/)?([^/]*)};
-
-# The following lines are automatically fixed at install time
-our $PROGVERSION = '1.17.x';
-our $CONFDIR = '/etc/dpkg';
-our $ADMINDIR = '/var/lib/dpkg';
-our $LIBDIR = '.';
-our $DATADIR = '..';
-$DATADIR = $ENV{DPKG_DATADIR} if defined $ENV{DPKG_DATADIR};
-
-# XXX: Backwards compatibility, to be removed on VERSION 2.00.
-## no critic (Variables::ProhibitPackageVars)
-our $version = $PROGVERSION;
-our $admindir = $ADMINDIR;
-our $dpkglibdir = $LIBDIR;
-our $pkgdatadir = $DATADIR;
-## use critic
-
-1;