Revert of Linux build: Use sysroot when calculating dependencies

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

-# Copyright © 2007-2010 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::Info;
-
-use strict;
-use warnings;
-
-our $VERSION = '1.00';
-
-use Dpkg::Control;
-use Dpkg::ErrorHandling;
-use Dpkg::Gettext;
-
-use parent qw(Dpkg::Interface::Storable);
-
-use overload
-    '@{}' => sub { return [ $_[0]->{source}, @{$_[0]->{packages}} ] };
-
-=encoding utf8
-
-=head1 NAME
-
-Dpkg::Control::Info - parse files like debian/control
-
-=head1 DESCRIPTION
-
-It provides an object to access data of files that follow the same
-syntax as F<debian/control>.
-
-=head1 FUNCTIONS
-
-=over 4
-
-=item $c = Dpkg::Control::Info->new($file)
-
-Create a new Dpkg::Control::Info object for $file. If $file is omitted, it
-loads F<debian/control>. If file is "-", it parses the standard input.
-
-=cut
-
-sub new {
-    my ($this, $arg) = @_;
-    my $class = ref($this) || $this;
-    my $self = {
-        source => undef,
-        packages => [],
-    };
-    bless $self, $class;
-    if ($arg) {
-        $self->load($arg);
-    } else {
-        $self->load('debian/control');
-    }
-    return $self;
-}
-
-=item $c->reset()
-
-Resets what got read.
-
-=cut
-
-sub reset {
-    my $self = shift;
-    $self->{source} = undef;
-    $self->{packages} = [];
-}
-
-=item $c->load($file)
-
-Load the content of $file. Exits in case of errors. If file is "-", it
-loads from the standard input.
-
-=item $c->parse($fh, $description)
-
-Parse a control file from the given filehandle. Exits in case of errors.
-$description is used to describe the filehandle, ideally it's a filename
-or a description of where the data comes from. It's used in error
-messages.
-
-=cut
-
-sub parse {
-    my ($self, $fh, $desc) = @_;
-    $self->reset();
-    my $cdata = Dpkg::Control->new(type => CTRL_INFO_SRC);
-    return if not $cdata->parse($fh, $desc);
-    $self->{source} = $cdata;
-    unless (exists $cdata->{Source}) {
-        $cdata->parse_error($desc, _g('first block lacks a source field'));
-    }
-    while (1) {
-        $cdata = Dpkg::Control->new(type => CTRL_INFO_PKG);
-        last if not $cdata->parse($fh, $desc);
-        push @{$self->{packages}}, $cdata;
-        unless (exists $cdata->{Package}) {
-            $cdata->parse_error($desc, _g("block lacks the '%s' field"),
-                                'Package');
-        }
-        unless (exists $cdata->{Architecture}) {
-            $cdata->parse_error($desc, _g("block lacks the '%s' field"),
-                                'Architecture');
-        }
-
-    }
-}
-
-=item $c->[0]
-
-=item $c->get_source()
-
-Returns a Dpkg::Control object containing the fields concerning the
-source package.
-
-=cut
-
-sub get_source {
-    my $self = shift;
-    return $self->{source};
-}
-
-=item $c->get_pkg_by_idx($idx)
-
-Returns a Dpkg::Control object containing the fields concerning the binary
-package numbered $idx (starting at 1).
-
-=cut
-
-sub get_pkg_by_idx {
-    my ($self, $idx) = @_;
-    return $self->{packages}[--$idx];
-}
-
-=item $c->get_pkg_by_name($name)
-
-Returns a Dpkg::Control object containing the fields concerning the binary
-package named $name.
-
-=cut
-
-sub get_pkg_by_name {
-    my ($self, $name) = @_;
-    foreach my $pkg (@{$self->{packages}}) {
-        return $pkg if ($pkg->{Package} eq $name);
-    }
-    return;
-}
-
-
-=item $c->get_packages()
-
-Returns a list containing the Dpkg::Control objects for all binary packages.
-
-=cut
-
-sub get_packages {
-    my $self = shift;
-    return @{$self->{packages}};
-}
-
-=item $c->output($filehandle)
-
-Dump the content into a filehandle.
-
-=cut
-
-sub output {
-    my ($self, $fh) = @_;
-    my $str;
-    $str .= $self->{source}->output($fh);
-    foreach my $pkg (@{$self->{packages}}) {
-        print { $fh } "\n";
-        $str .= "\n" . $pkg->output($fh);
-    }
-    return $str;
-}
-
-=item "$c"
-
-Return a string representation of the content.
-
-=item @{$c}
-
-Return a list of Dpkg::Control objects, the first one is corresponding to
-source information and the following ones are the binary packages
-information.
-
-=back
-
-=head1 AUTHOR
-
-Raphaël Hertzog <hertzog@debian.org>.
-
-=cut
-
-1;