Unable to install libclang on 20.04 LTS

Question

After trying to install libclang-dev with sudo apt-get install -y libclang-dev i receive this error:

The following packages have unmet dependencies:
 libclang-dev : Depends: libclang-10-dev (>= 10~) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

When I try the solution:

 $ wget https://apt.llvm.org/llvm.sh
 $ chmod +x llvm.sh
 $ sudo ./llvm.sh 12

Thiss occurs:

The following packages have unmet dependencies:
 clang-12 : Depends: libclang-common-12-dev (= 1:12.0.1~++20210511012537+24535af52ae1-1~exp1~20210510233243.87) but it is not going to be installed
 clangd-12 : Depends: libclang-common-12-dev (= 1:12.0.1~++20210511012537+24535af52ae1-1~exp1~20210510233243.87) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

The output of sudo apt-cache policy libc6

libc6:
  Installed: 2.31-0ubuntu9.2
  Candidate: 2.31-0ubuntu9.2
  Version table:
 *** 2.31-0ubuntu9.2 500
        500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     2.31-0ubuntu9 500
        500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages

score 11 · Accepted Answer · answered May 11 '21 at 20:39

11

You have to revert libc6 library to the normal version using command below:

sudo apt-get install libc6=2.31-0ubuntu9.2 libc6:i386=2.31-0ubuntu9.2

answered May 11 '21 at 20:39

N0rbert

103,263

score 3 · Answer 2 · answered Jun 14 '22 at 18:55

3

For me it solved

sudo apt --fix-broken install
sudo apt-get update

And then installing with

sudo dpkg -i rstudio-specific-version.deb

answered Jun 14 '22 at 18:55

Bruno Iha

31

score 2 · Answer 3 · answered Nov 15 '21 at 02:09

2

I got same problem. I have run this steps (no idea what they did - I'm new on this, but works for me)

sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get update
sudo apt-get -f install

answered Nov 15 '21 at 02:09

Willy

21

Kabir Abdulkareem · Answer 4 · 2024-11-20T14:37:23.413

0

On Ubuntu 24.04, make sure to install R first then proceed to installing RStudio with the following snap command:

sudo snap install rstudio --classic

edited Nov 20 '24 at 14:37

answered Nov 20 '24 at 14:36

Kabir Abdulkareem

1

score -1 · Answer 5 · edited Apr 17 '23 at 19:04

I was getting this message:

The following packages have unmet dependencies:
  clang : Depends: clang-10 (>= 10~) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

I solved my issue with this solution (formatting my own):

When I did sudo aptitude install clang, I got the same message as shown, but then typed n. aptitude then offers another solution, which is to offer to downgrade to gcc 9. Allow it to do that, and let it return to the command prompt. Then then do sudo apt install clang and you'll get clang-10.

Unable to install libclang on 20.04 LTS

5 Answers5