Build (backport) an newer Ubuntu package to run on an older Ubuntu version

[ubuntubrian]

Yes! Now I just need to do everything else and hopefully I'll have the backport.
Thanks guys! I'm sure I'll be back soon with more questions.

[ubuntubrian]

OK-this takes some effort but I'm game!
Commenting out the repository in ? worked and vlc downloaded just fine. I edited the debian/control file and got rid of every version number I could find. I ran prevu in the vlc directory and got some dependency issues;

-> Considering linux-libc6-dev
-> Trying linux-libc6-dev
-> Cannot install linux-libc6-dev; apt errors follow:
Reading package lists... Done
Building dependency tree... Done
E: Couldn't find package linux-libc6-dev
W: Unable to locate package linux-libc6-dev
E: Could not satisfy build-dependency.


SO I guess that I can use prevue to backport these also? I know another came up because I again edited the control file and just changed the "linux-lib-dev" to libc6-dev as I know that exists. the compile ran until another dependency issue. that's when I decided to change the control file back to "linux-libc-de" and then run:

"prevu linux-lbc-dev"

I get this:

"Traceback (most recent call last):
File "/usr/bin/prevu", line 146, in ?
BackportFromAPT(sys.argv[1],DIST).backport()
File "/usr/bin/prevu", line 86, in backport
self.do_compile()
File "/usr/bin/prevu", line 67, in do_compile
raise ValueError("Build failed.")
ValueError: Build failed.

The only error I see in the attempt is this:
"-> Considering kernel-wedge (>= 2.24ubuntu1)
Tried versions: 2.05ubuntu5
-> Does not satisfy version, not trying
E: Could not satisfy build-dependency."

So do I have to do "apt-get source linux-lbc-dev", strip the dependencies, etc and go on to the next one?

Thanks!

[megamaced]

The "linux-libc6-dev" package exists under Dapper, but just under a different name. Package names sometimes change between Ubuntu versions, and this can make backporting slightly tougher as you need to discover what the "old" name was.

The "linux-libc6-dev package" in Dapper is called "linux-kernel-headers", so you will need to make the change in the control file.

Also, you will need to replace "xlibmesa-gl-dev" with "x11proto-gl-dev" in the control file.

I went as far as checking the rest of the dependencies, but I didn't actually compile the package... That's your job!

You might find this package search tool useful:

http://packages.ubuntu.com/

That's pretty much what I use to discover the different package names

[ubuntubrian]

Many thanks Megamaced! I started down the path that I mentioned in my last post and that is a deep rabbit hole! I thought that the names may just need changing but didn't know the alternatives.
I really appreciate your help! I will compile away and post the results.

[ubuntubrian]

You might find this package search tool useful:

http://packages.ubuntu.com/

I can see how to search for the packages but not how to see how the different names correlate. Sorry for the high density of my brain!

[ubuntubrian]

The build of vlc failed-thank god! The build wanted to install 239 new packages and use 278MB of disk. Luckily it crapped out with:

-> cleaning the build env
-> removing directory /var/cache/prevu/builds/14983 and its subdirectories
Traceback (most recent call last):
File "/usr/bin/prevu", line 148, in ?
BackportCurrentDir(DIST).backport()
File "/usr/bin/prevu", line 86, in backport
self.do_compile()
File "/usr/bin/prevu", line 67, in do_compile
raise ValueError("Build failed.")
ValueError: Build failed.


This may not be a suitable package to backport?

[megamaced]

I'll try to compile it myself tonight if I get time

[ubuntu_demon]

I'm trying to build a Dapper backport of bittornado from Gutsy on my laptop running Feisty. To do this I have to modify the debian control and rules files and I need some help.

I added both Dapper and Gutsy sources to my /etc/apt/sources.list

DIST=dapper sudo prevu-init
apt-get source bittornado
cd bittornado-0.3.18/

I editted debian/control and removed versions from python-support and debhelper. I removed the package target bittornado-gui because I don't need it.

I editted debian/rules and changed dh_pysupport to dh_python.

I also tried "dh_python /usr/share/python-support/bittornado/BitTornado" instead of dh_pysupport

DIST=dapper prevu

The package builds without problems. I copied the package to my Dapper box and installed it without problems.

But there is a problem when I try to run bittornado :

$ btlaunchmanycurses.bittornado
Traceback (most recent call last):
File "/usr/bin/btlaunchmanycurses.bittornado", line 8, in ?
from BitTornado import PSYCO
ImportError: No module named BitTornado
depjayds@p3-animal:~$ btlaunchmany
Traceback (most recent call last):
File "/usr/bin/btlaunchmany", line 6, in ?
from BitTornado import PSYCO
ImportError: No module named BitTornado

The directory /usr/share/python-support/bittornado/BitTornado exists and contains files (including __init__.py).

So for some reason python can't find the python-package BitTornado (which is /usr/share/python-support/bittornado/BitTornado). Ideally I would like to fix this in bittornado-0.3.18/debian and make a package which does this.

Any ideas ?

[ubuntubrian]

In looking further at the output I see these errors with my repositories:

Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]


And:

Err http://archive.ubuntu.com dapper-security/main libmagic1 4.16-0ubuntu3.1
404 Not Found [IP: 91.189.89.6 80]
Err http://archive.ubuntu.com dapper-security/main file 4.16-0ubuntu3.1
404 Not Found [IP: 91.189.89.6 80]
Err http://archive.ubuntu.com dapper-security/main libpng12-0 1.2.8rel-5ubuntu0.1
404 Not Found [IP: 91.189.89.6 80]
Err http://archive.ubuntu.com dapper-security/main libpng12-dev 1.2.8rel-5ubuntu0.1
404 Not Found [IP: 91.189.89.6 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/poo....1_powerpc.deb 404 Not Found [IP: 91.189.89.6 80]


You can see my sources.list earlier in the thread. Any ideas why these packages aren't found?

Muchas gracias!

[ubuntubrian]

I checked one of the error sites, "Err http://archive.ubuntu.com dapper-security/main libmagic1 4.16-0ubuntu3.1
404 Not Found [IP: 91.189.89.6 80]"

and found:

Package: libmagic1
Priority: standard
Section: libs
Installed-Size: 1576
Maintainer: Michael Piefel <piefel@debian.org>
Architecture: powerpc
Source: file
Version: 4.16-0ubuntu3.2

My sources.list doesn't have an "archive.ubuntu.com..." as you can see in the earlier post. Do I just add that repository?