Revert of Linux build: Use sysroot when calculating dependencies

third_party/dpkg-dev/scripts/Dpkg/BuildEnv.pm

Index: third_party/dpkg-dev/scripts/Dpkg/BuildEnv.pm
diff --git a/third_party/dpkg-dev/scripts/Dpkg/BuildEnv.pm b/third_party/dpkg-dev/scripts/Dpkg/BuildEnv.pm
deleted file mode 100644
index 2615d5d8e93401384757c820eec1c05c7b1e0f9e..0000000000000000000000000000000000000000
--- a/third_party/dpkg-dev/scripts/Dpkg/BuildEnv.pm
+++ /dev/null
@@ -1,107 +0,0 @@
-# Copyright © 2012 Guillem Jover <guillem@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::BuildEnv;
-
-use strict;
-use warnings;
-
-our $VERSION = '0.01';
-
-my %env_modified = ();
-my %env_accessed = ();
-
-=encoding utf8
-
-=head1 NAME
-
-Dpkg::BuildEnv - track build environment
-
-=head1 DESCRIPTION
-
-The Dpkg::BuildEnv module is used by dpkg-buildflags to track the build
-environment variables being used and modified.
-
-=head1 FUNCTIONS
-
-=over 4
-
-=item $bf->set($varname, $value)
-
-Update the build environment variable $varname with value $value. Record
-it as being accessed and modified.
-
-=cut
-
-sub set {
-    my ($varname, $value) = @_;
-    $env_modified{$varname} = 1;
-    $env_accessed{$varname} = 1;
-    $ENV{$varname} = $value;
-}
-
-=item $bf->get($varname)
-
-Get the build environment variable $varname value. Record it as being
-accessed.
-
-=cut
-
-sub get {
-    my ($varname) = @_;
-    $env_accessed{$varname} = 1;
-    return $ENV{$varname};
-}
-
-=item $bf->has($varname)
-
-Return a boolean indicating whether the environment variable exists.
-Record it as being accessed.
-
-=cut
-
-sub has {
-    my ($varname) = @_;
-    $env_accessed{$varname} = 1;
-    return exists $ENV{$varname};
-}
-
-=item my @list = $bf->list_accessed()
-
-Returns a list of all environment variables that have been accessed.
-
-=cut
-
-sub list_accessed {
-    my @list = sort keys %env_accessed;
-    return @list;
-}
-
-=item my @list = $bf->list_modified()
-
-Returns a list of all environment variables that have been modified.
-
-=cut
-
-sub list_modified {
-    my @list = sort keys %env_modified;
-    return @list;
-}
-
-=back
-
-=cut
-
-1;