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[I have absolutely no idea how focal-updates got removed, but following the dup question directions, I just added this line deb http://br.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse to sources.list and ran sudo apt-get update and libsdl2-dev became installable properly thru synaptic]

here is the problem

$ sudo apt install libsdl2-dev
libsdl2-dev : Depends: libasound2-dev but it is not going to be installed
$ sudo apt install libasound2-dev
libasound2-dev : Depends: libasound2 (= 1.2.2-2.1)
$ sudo apt install libasound2
libasound2 is already the newest version (1.2.2-2.1ubuntu2).

how to install it now? is it really impossible!?

If it is impossible, I was thinking on downloading every libsdl2-dev dependency tree, extract the packages and just point the compiler to such folder, I think it could work.
But that is also a huge problem, because I would have to grab each package individually, as I cant find a way to just ask them to be downloaded w/o installing :(
Any better idea? Any easier way to do a thing that should be simple?
I cant compile the SDL2 project locally now, I cant test it, ahhh...
Is the only other/simple option to grab the sources and compile them from official site?

here the requested info

$ grep -r ^deb /etc/apt/ --include=*.list
/etc/apt/sources.list.d/nodesource.list:deb [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_16.x focal main
/etc/apt/sources.list.d/nodesource.list:deb-src [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_16.x focal main
/etc/apt/sources.list:deb http://br.archive.ubuntu.com/ubuntu/ focal main restricted
/etc/apt/sources.list:deb http://br.archive.ubuntu.com/ubuntu/ focal universe
/etc/apt/sources.list:deb http://br.archive.ubuntu.com/ubuntu/ focal multiverse
/etc/apt/sources.list:deb http://security.ubuntu.com/ubuntu focal-security main restricted
/etc/apt/sources.list:deb http://security.ubuntu.com/ubuntu focal-security universe
/etc/apt/sources.list:deb http://security.ubuntu.com/ubuntu focal-security multiverse

$ sudo apt-get update
Hit:1 http://br.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://security.ubuntu.com/ubuntu focal-security InRelease

Hit:3 https://deb.nodesource.com/node_16.x focal InRelease
Reading package lists... Done


$ apt-cache policy libsdl2-dev
libsdl2-dev:
  Installed: (none)
  Candidate: 2.0.10+dfsg1-3
  Version table:
     2.0.10+dfsg1-3 500
        500 http://br.archive.ubuntu.com/ubuntu focal/universe amd64 Packages


$ apt policy libasound2
libasound2:
  Installed: 1.2.2-2.1ubuntu2
  Candidate: 1.2.2-2.1ubuntu2
  Version table:
 *** 1.2.2-2.1ubuntu2 100
        100 /var/lib/dpkg/status
     1.2.2-2.1 500
        500 http://br.archive.ubuntu.com/ubuntu focal/main amd64 Packages
Aquarius Power
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  • Is the package catalog fully up to date (sudo apt update)? – steeldriver Jan 29 '22 at 02:10
  • @steeldriver to be sure, I just ran the update again but got the same results when trying to install libsdl2-dev and the others – Aquarius Power Jan 29 '22 at 02:44
  • Do you have any extra repositories setup on your system that might conflict with this installation? I just tested the installation on my 20.04 for the libsdl2-dev and it installed without any issues. I have in my Software and Settings the Main, Universe, Restricted and Multiverse repositories all enabled. – Terrance Jan 29 '22 at 03:20
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    The key to the puzzle is libasound2 is already the newest version (1.2.2-2.1ubuntu2) because that statement is not true. That's not the newest version available for 20.04. Not even close. Therefore either your sources are mucked up or you are ignoring update errors. – user535733 Jan 29 '22 at 04:16
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    My Ubuntu 20.04 system is currently showing libasound2 1.2.2-2.1ubuntu2.5 – user10489 Jan 29 '22 at 05:59
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    Please show full output of grep -r ^deb /etc/apt/ --include=*.list; sudo apt-get update; apt-cache policy libsdl2-dev. I can't reproduce your problem on fresh 20.04 LTS system. – N0rbert Jan 29 '22 at 07:27
  • @N0rbert I updated many packages yesterday but could only turn it on today. Edited the OP with requested info. I just checked on synaptic and now there is no more available updates to install. @Terrance, it is good to know yours is working, so mine just needs fixing! @user10489 when I try to install libasound2 it still says libasound2 is already the newest version (1.2.2-2.1ubuntu2). even after all updates applied. – Aquarius Power Jan 31 '22 at 00:59
  • Please add the output of apt policy libasound2 to your question. – Organic Marble Jan 31 '22 at 01:02
  • OK, that is the smoking gun. The version of llbasound2 on your system did not come from any repository you have on your system now. Either you downloaded and installed it manually, or you installed it from a repo that is no longer on your system. You also don't have the focal-update repo on your system. – Organic Marble Jan 31 '22 at 01:08
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    It is unlikely that this is the only problematic package on your system. To get an idea of what other ones might be 'orphaned' like this one, you can use synaptic and look at "installed (local or obsolete)" You will have to fix these packages one by one. If I had to fix this system, first I would clone the / drive (so I can get back to the original state when-not if-I mess it up). Then I would enable focal-updates. Then I would use synaptic and aptitude to install the proper version for each orphaned package. – Organic Marble Jan 31 '22 at 01:10
  • @OrganicMarble there are 179 packages at "installed (local or obsolete)" and libasound2 is really one of them! I have a backup. But I dont understand how can my focal-updates be disabled? I will search about it thx. Btw, I downloaded this: http://security.ubuntu.com/ubuntu/pool/main/a/alsa-lib/libasound2-data_1.2.2-2.1ubuntu2.5_all.deb , but after installing it with gdebi it says dependency problems - leaving unconfigured. That package broke, trying to "fix broken packages" would want to remove a lot of packages, so I had to use dpkg -i on the previous version, as gdebi would not allow it – Aquarius Power Jan 31 '22 at 03:51
  • This is going to be painful and messy to fix. If you know what repository the packages came from originally, you could even try re-adding it and then doing a ppa-purge. After doing the clone of / – Organic Marble Jan 31 '22 at 03:55
  • @OrganicMarble I felt that could be a huge problem.. as snapd used a huge amount of my old internet quota (100MB/day) making me unable to browse at all, I uninstalled it long ago. At synaptic, it should have the focal-updates option before snapd existing, now it is not there. It would be easier to just reinstall ubuntu20.04 right? I may just wait for ubuntu 22.04, tho. I will develop things after that. I think I got these old libasound2 from https://launchpad.net/ubuntu/+source/alsa-lib/1.2.2-2.1ubuntu2/+build/19854508 and installed manually using gdebi, not sure tho. – Aquarius Power Jan 31 '22 at 04:09
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    Your system misses focal-updates pocket. So you have to restore official repositories and then run sudo apt-get update, sudo apt-get install aptitude, sudo aptitude dist-upgrade . – N0rbert Jan 31 '22 at 07:33
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    @N0rbert I have absolutely no idea how focal-updates got removed, but following the dup question directions, I just added this line deb http://br.archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse to sources.list and ran sudo apt-get update and libsdl2-dev became installable properly thru synaptic, thx vm! – Aquarius Power Feb 01 '22 at 02:19

0 Answers0