Can't locate Dpkg.pm in @INC ...

Albretch Mueller

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Mar 13, 2011, 8:10:01 PM3/13/11

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~
in order to run dpkg-scanpackages, I need to install first lzma,
patch, libtimedate-perl and dpkg-dev, which I do via dpkg --install (I
have done this before without any problems whatsoever), but then when
I try to run dpkg-scanpackages, I get:
~
~ ~~~~~~~~~~~~~~~~~~~~~~~~~
~
Can't locate Dpkg.pm in @INC (@INC contains: /etc/perl
/usr/local/lib/perl/5.10.1 /usr/local/share/perl/5.10.1 /usr/lib/perl5
/usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10
/usr/local/lib/site_perl .) at /usr/bin/dpkg-scanpackages line 8.
BEGIN failed--compilation aborted at /usr/bin/dpkg-scanpackages line 8.
~
~ ~~~~~~~~~~~~~~~~~~~~~~~~~
~
and when I look into dpkg-scanpackages (a perl script) there is not much I fing
~
# head -8 /usr/bin/dpkg-scanpackages
#!/usr/bin/perl

use warnings;
use strict;

use IO::Handle;
use IO::File;
use Dpkg;
~
What is really going on? To me it looks like a perl (which I am not
familiar with) dependency problem. How can I fix it?
~
Thank you
C

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Albretch Mueller

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Mar 14, 2011, 2:00:01 AM3/14/11

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Also, let me point out that perl is installed on my default system:

$ uname -a
Linux Microknoppix 2.6.37 #13 SMP PREEMPT Sun Jan 23 23:54:32 CET 2011
i686 GNU/Linux

$ which perl
/usr/bin/perl

$ perl --version

This is perl, v5.10.1 (*) built for i486-linux-gnu-thread-multi
(with 51 registered patches, see perl -V for more detail)

Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.

Complete documentation for Perl, including FAQ lists, should be found on
this system using "man perl" or "perldoc perl". If you have access to the
Internet, point your browser at http://www.perl.org/, the Perl Home Page.

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shawn wilson

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Mar 14, 2011, 2:10:01 AM3/14/11

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What its telling you is that Dpkg.pm should be in one of those directories it told you it was looking in. IIRC, apt-get is a perl script too so you might look in there and see if it lists that module in a different namespace and maybe try to modify the script you're trying to run to reflect what you see in apt-get.

Sven Joachim

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Mar 14, 2011, 2:40:01 AM3/14/11

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On 2011-03-14 01:06 +0100, Albretch Mueller wrote:

> ~
> in order to run dpkg-scanpackages, I need to install first lzma,
> patch, libtimedate-perl and dpkg-dev, which I do via dpkg --install (I
> have done this before without any problems whatsoever)

This is very much not recommended, since dpkg will happily unpack
packages with unfulfilled dependencies and only barf when it cannot
configure them due to these missing dependencies. Why don't you use
apt to install packages?

> , but then when
> I try to run dpkg-scanpackages, I get:
> ~
> ~ ~~~~~~~~~~~~~~~~~~~~~~~~~
> ~
> Can't locate Dpkg.pm in @INC

,----
| $ dpkg -S Dpkg.pm
| libdpkg-perl: /usr/share/perl5/Dpkg.pm
`----

So libdpkg-perl is apparently not installed on your system.

> What is really going on? To me it looks like a perl (which I am not
> familiar with) dependency problem. How can I fix it?

Install libdpkg-perl, or better run "apt-get -f install".

Sven

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Albretch Mueller

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Mar 14, 2011, 9:30:02 AM3/14/11

to

~
>,----
>| $ dpkg -S Dpkg.pm
>| libdpkg-perl: /usr/share/perl5/Dpkg.pm
>`----

$ dpkg -S Dpkg.pm
dpkg: *Dpkg.pm* not found.

$ ls -l /usr/share/perl5/
total 27
drwxr-xr-x 2 root root 2048 Oct 28 2009 Crypt
drwxr-xr-x 3 root root 120 Mar 14 07:27 Date
drwxr-xr-x 8 root root 4096 Oct 18 17:35 Debconf
drwxr-xr-x 5 root root 2048 Jan 24 16:24 Debian
-rw-r--r-- 1 root root 13030 Jan 12 06:45 DebianNet.pm
drwxr-xr-x 5 root root 440 Mar 14 07:27 Dpkg
drwxr-xr-x 3 root root 2048 Dec 14 23:37 File
drwxr-xr-x 2 root root 2048 Oct 7 13:27 Foomatic
drwxr-xr-x 2 root root 2048 Dec 14 02:05 Text
drwxr-xr-x 2 root root 60 Mar 14 07:27 Time

$ dpkg -S "*.pm" | grep Dpkg
dpkg-dev: /usr/share/perl5/Dpkg/ErrorHandling.pm
dpkg-dev: /usr/share/perl5/Dpkg/Cdata.pm
dpkg-dev: /usr/share/perl5/Dpkg/Vars.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Patch.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Archive.pm
dpkg-dev: /usr/share/perl5/Dpkg/Substvars.pm
dpkg-dev: /usr/share/perl5/Dpkg/Changelog.pm
dpkg-dev: /usr/share/perl5/Dpkg/Control.pm
dpkg-dev: /usr/share/perl5/Dpkg/IPC.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package/V1.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Functions.pm
dpkg-dev: /usr/share/perl5/Dpkg/Shlibs.pm
dpkg-dev: /usr/share/perl5/Dpkg/Fields.pm
dpkg-dev: /usr/share/perl5/Dpkg/Exit.pm
dpkg-dev: /usr/share/perl5/Dpkg/Shlibs/SymbolFile.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package/V3/native.pm
dpkg-dev: /usr/share/perl5/Dpkg/Shlibs/Objdump.pm
dpkg-dev: /usr/share/perl5/Dpkg/Version.pm
dpkg-dev: /usr/share/perl5/Dpkg/Deps.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package/V3/git.pm
dpkg-dev: /usr/share/perl5/Dpkg/Changelog/Debian.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/CompressedFile.pm
dpkg-dev: /usr/share/perl5/Dpkg/BuildOptions.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package/V3/custom.pm
dpkg-dev: /usr/share/perl5/Dpkg/Compression.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package/V3/quilt.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Compressor.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package/V2.pm
dpkg-dev: /usr/share/perl5/Dpkg/Checksums.pm
dpkg-dev: /usr/share/perl5/Dpkg/Source/Package/V3/bzr.pm
dpkg-dev: /usr/share/perl5/Dpkg/Arch.pm
dpkg-dev: /usr/share/perl5/Dpkg/Path.pm

>So libdpkg-perl is apparently not installed on your system.

but there is no libdpkg-perl in lenny that I can find.

http://packages.debian.org/search?searchon=names&keywords=libdpkg

Or where could I find it?
~
lbrtchx

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Sven Joachim

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Mar 14, 2011, 11:10:02 AM3/14/11

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On 2011-03-14 14:24 +0100, Albretch Mueller wrote:

>>So libdpkg-perl is apparently not installed on your system.
>
> but there is no libdpkg-perl in lenny that I can find.

True, this package has been split out from dpkg and dpkg-dev after the
Lenny release. What does "dpkg -l dpkg dpkg-dev" print?

Sven

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Albretch Mueller

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Mar 15, 2011, 9:40:02 AM3/15/11

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> True, this package has been split out from dpkg and dpkg-dev after the
> Lenny release. What does "dpkg -l dpkg dpkg-dev" print?

~
$ dpkg -l dpkg dpkg-dev
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Description
+++-==============-==============-============================================
ii dpkg 1.15.8.9 Debian package management system
un dpkg-dev <none> (no description available)
~
after going:
~
dpkg --install dpkg-scanpackages/dpkg-dev_1.14.31_all.deb
~
# dpkg -l dpkg dpkg-dev
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version
Description
+++-================================-================================-================================================================================
ii dpkg 1.15.8.9
Debian package management system
iU dpkg-dev 1.14.31
Debian package development tools
~
# ls -l /usr/bin/dpkg-scanpackages
-rwxr-xr-x 1 root root 8199 Jan 5 10:10 /usr/bin/dpkg-scanpackages
~
# which dpkg-scanpackages
/usr/bin/dpkg-scanpackages
~
I am still getting dependency errors while trying to build my local
Package.gz file (for which I need )
~
dpkg: dependency problems prevent configuration of dpkg-dev:
dpkg (1.15.8.9) breaks dpkg-dev (<< 1.15.8) and is installed.
Version of dpkg-dev to be configured is 1.14.31.
dpkg: error processing dpkg-dev (--install):
dependency problems - leaving unconfigured
Errors were encountered while processing:
dpkg-dev
~
and the same error I had before
~

Can't locate Dpkg.pm in @INC (@INC contains: /etc/perl
/usr/local/lib/perl/5.10.1 /usr/local/share/perl/5.10.1 /usr/lib/perl5
/usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10
/usr/local/lib/site_perl .) at /usr/bin/dpkg-scanpackages line 8.
BEGIN failed--compilation aborted at /usr/bin/dpkg-scanpackages line 8.
~

I still see no way out of this dependency problems
~
Thank you for any help
lbrtchx

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Sven Joachim

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Mar 15, 2011, 12:20:02 PM3/15/11

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On 2011-03-15 14:29 +0100, Albretch Mueller wrote:

>> True, this package has been split out from dpkg and dpkg-dev after the
>> Lenny release. What does "dpkg -l dpkg dpkg-dev" print?
> ~
> $ dpkg -l dpkg dpkg-dev
> Desired=Unknown/Install/Remove/Purge/Hold
> | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
> |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
> ||/ Name Version Description
> +++-==============-==============-============================================
> ii dpkg 1.15.8.9 Debian package management system
> un dpkg-dev <none> (no description available)
> ~
> after going:
> ~
> dpkg --install dpkg-scanpackages/dpkg-dev_1.14.31_all.deb

I suppose this gave you some error messages?

> # dpkg -l dpkg dpkg-dev
> Desired=Unknown/Install/Remove/Purge/Hold
> | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
> |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
> ||/ Name Version
> Description
> +++-================================-================================-================================================================================
> ii dpkg 1.15.8.9
> Debian package management system
> iU dpkg-dev 1.14.31
> Debian package development tools

This combination does not work, and the package relationships declare
that, as can be seen in the error message when dpkg tries to configure
dpkg-dev:

> dpkg: dependency problems prevent configuration of dpkg-dev:
> dpkg (1.15.8.9) breaks dpkg-dev (<< 1.15.8) and is installed.
> Version of dpkg-dev to be configured is 1.14.31.

The reason for this is precisely the move of Dpkg.pm to libdpkg-perl in
dpkg version 1.15.8 which breaks older versions of dpkg-dev.

> I still see no way out of this dependency problems

Install a newer dpkg-dev along with its dependencies. And use apt to
manage packages, it will prevent you from installing broken package
combinations.

Sven

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shawn wilson

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Mar 15, 2011, 12:30:03 PM3/15/11

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On Tue, Mar 15, 2011 at 9:29 AM, Albretch Mueller <lbr...@gmail.com> wrote:

Can't locate Dpkg.pm in @INC (@INC contains: /etc/perl
/usr/local/lib/perl/5.10.1 /usr/local/share/perl/5.10.1 /usr/lib/perl5
/usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10
/usr/local/lib/site_perl .) at /usr/bin/dpkg-scanpackages line 8.
BEGIN failed--compilation aborted at /usr/bin/dpkg-scanpackages line 8.
~

I still see no way out of this dependency problems
~

here is that pm from a ubuntu box. it just exports some variables to whatever 'use's it. you might have to modify it some. haven't looked much into it. maybe look at the program you're trying to get working and see what it's expecting and modify this to suit those needs. also, if you don't know perl, that '1;' needs to be there:

root@shawn-desktop:/etc/apache2# cat /usr/share/perl5/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 <http://www.gnu.org/licenses/>.

package Dpkg;

use strict;
use warnings;

# This module is the only one provided by dpkg and not dpkg-dev
#
# Don't add things here if you don't need them in dpkg itself.
# If you do, and also use the new stuff in dpkg-dev, you'll have to bump
# the dependency of dpkg-dev on dpkg.

use base qw(Exporter);
our @EXPORT = qw($version $progname $admindir $dpkglibdir $pkgdatadir);

our ($progname) = $0 =~ m#(?:.*/)?([^/]*)#;

# The following lines are automatically fixed at install time
our $version="1.15.5.6ubuntu2";
our $admindir="/var/lib/dpkg";
our $dpkglibdir="/usr/lib/dpkg";
our $pkgdatadir="/usr/share/dpkg";
$pkgdatadir = $ENV{DPKG_DATADIR} if defined $ENV{DPKG_DATADIR};

1;

Albretch Mueller

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Mar 15, 2011, 2:30:01 PM3/15/11

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~
I won't be anywhere near that box for a week. I will have to test it afterwards
~
Thanks
lbrtchx

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