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Asked: 2024-09-25T19:44:24+05:30 In:

What are the steps to install glibcxx version 3.4.29 on Ubuntu 20.04?

So, I’ve been trying to get this glibcxx version 3.4.29 up and running on my Ubuntu 20.04 setup, and honestly, it’s turning into quite the headache! I thought I’d reach out to the community to see if anyone has gone through this process and could share their wisdom.

I keep reading about how crucial this library is for certain applications, especially when it comes to compatibility issues. Some tools I want to use specifically require this version, and I’m just stuck here trying to figure out the best route to install it without messing up my system. I’ve seen conflicting advice online, and it’s hard to tell what’s current and what’s not, especially since packages and versions seem to change all the time.

I’m a decent user of Ubuntu, but I wouldn’t say I’m an expert by any means. I tried using the command line and tapped into APT, but it feels like I might be missing some crucial steps. Is it as simple as just running a few commands, or do I need to compile it from source? I’ve read some posts suggesting that manipulating the default glibcxx version could lead to other dependencies breaking, so I’m a bit paranoid about that.

Has anyone here tackled this issue? What would be the proper commands, and are there any specific repositories I should add to my sources? Also, if things go sideways, how can I roll back to an earlier state? I guess I’m looking for a really detailed, step-by-step breakdown, if possible.

I think it would also be super helpful to know what pitfalls to avoid based on your experiences. Like, are there any common mistakes you made that I should steer clear of? This would really help me in making sure I don’t end up with a broken system. Looking forward to your tips and tricks!

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    2 Answers


    1. Installing a specific version of glibcxx such as 3.4.29 on Ubuntu 20.04 can indeed be a daunting task, especially given the importance of this library in compatibility with various applications. First, it’s crucial to be aware that changing the default version of glibcxx can lead to complications, as many applications depend on the system’s default libraries. The best approach is often to install the required version alongside the existing one rather than replacing it. You can do this by compiling from source or using a containerized solution (like Docker) to avoid affecting your system libraries. Compiling glibcxx version 3.4.29 from source would typically involve downloading the source code, installing necessary build dependencies, and following the configuration and compilation steps outlined in the documentation.

      To set this up, start by installing the necessary development tools by running sudo apt update && sudo apt install build-essential. Next, download the source code for version 3.4.29. You can extract it and navigate to the directory, where you would run ./configure, followed by make and sudo make install. This should install the specific version without overriding the default one. In terms of rolling back, always create a backup of your system or at least the library files before making changes—using version control tools like git for your configuration files can also help. One common pitfall to avoid is directly editing symlinked library versions or neglecting to resolve dependencies beforehand; always ensure any dependencies are compatible and prefer to use virtual environments or containers when testing new setups to prevent system-wide issues.



    2. Getting glibcxx 3.4.29 on Ubuntu 20.04: A Rookie’s Guide

      First off, I totally get the struggle! Installing libraries like glibcxx can be a bit daunting, especially if you’re just getting comfortable with Ubuntu.

      1. Check Current Version

      Start by checking your current version of glibcxx. Open the terminal and run:

      strings /usr/lib/x86_64-linux-gnu/libstdc++.so.6 | grep GLIBCXX

      This way, you’ll know if you really need to upgrade or if you’re already good to go!

      2. Add a Suitable PPA (If Necessary)

      If you find you need to upgrade, you might want to look for a PPA (Personal Package Archive). One popular option is:

      sudo add-apt-repository ppa:ubuntu-toolchain-r/test

      After adding, remember to update:

      sudo apt update

      3. Install the Required Version

      To install a specific version, you can try:

      sudo apt install libstdc++6

      Check the available versions first and see if 3.4.29 is listed:

      apt list -a libstdc++6

      4. Compiling from Source (If Necessary)

      If it’s not available through APT, compiling from source is another route:

      1. Install the necessary tools:

        2. sudo apt install build-essential

      2. Download the source code for glibcxx 3.4.29.
      3. Extract it:

        4. tar -xzf.tar.gz

      4. Navigate to the directory and run:

        5. ./configure
        make
        sudo make install

      5. Backup Plan

      Before you start messing with system libraries, consider making a backup. You can create a system snapshot using:

      sudo apt install timeshift

      This tool helps you restore your system if things go sideways!

      Common Pitfalls

      • Avoid messing with the default glibcxx library directly if you can.
      • Make sure to resolve any dependency issues that arise.
      • Always check dependencies after installations; some applications might need specific versions tied to certain libraries.

      Closing Thoughts

      Remember, the community is here to help if you get stuck. Don’t hesitate to ask for more guidance along the way!


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