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Asked: 2024-09-24T13:12:00+05:30 In:

What are the steps to install GCC 14 on Ubuntu versions 22.04 and 24.04?

I’ve been trying to get GCC 14 installed on my Ubuntu setup, and honestly, it’s turning out to be more of a headache than I expected. I’m particularly curious about how to get it running smoothly on both Ubuntu 22.04 and the newer 24.04 version since I might be upgrading soon. I’ve seen a bunch of different suggestions floating around on forums and blogs, but there seems to be no clear, consistent approach, especially for the latest version.

First off, can anyone walk me through the basic steps? I get the feeling I need to add some repositories, but I’m a bit lost on which ones to use. And then there’s the whole terminal command thing… Do I need to update apt first before I start the installation? It would help if you could break it down into simple steps—I don’t want to mess this up.

Also, I’ve heard that dependencies can be a pain, especially with newer versions. Are there any specific packages I should watch out for? I don’t mind taking the time to troubleshoot, but I really want to avoid diving down a rabbit hole trying to fix broken installations or dependencies that keep popping up.

And what about any potential conflicts with existing versions of GCC? I know I’ve got GCC 11 on my machine right now, so will that cause any issues when I try to install GCC 14? Should I remove the older version or can I have both installed side by side?

If someone could just share their step-by-step experience, that would be super helpful! I’m hoping to avoid making the same mistakes I’ve read about where people end up with a million different issues after trying to install a new version. Thanks in advance for any tips or guidance you can offer!

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    2 Answers


    1. To install GCC 14 on Ubuntu, you first need to ensure your package list is up to date. Open your terminal and run the commands sudo apt update and sudo apt upgrade. Next, to install GCC 14, you will likely need to add a specific repository that provides the latest GCC packages since they might not be available in the default repositories for Ubuntu 22.04 or 24.04. You can do this by adding the Toolchain PPA with the command sudo add-apt-repository ppa:ubuntu-toolchain-r/test. After adding the PPA, update your package list again with sudo apt update and then install GCC 14 using sudo apt install gcc-14 g++-14. This should install the necessary packages without too much hassle.

      Regarding dependencies, GCC generally handles its own dependencies well, but you should ensure that you meet any necessary prerequisites for the libraries or packages you might be using. To avoid conflicts with the existing GCC 11 installation, you can have multiple versions installed side by side. The newer version will be accessible using gcc-14 and g++-14 commands, while the older version remains available as gcc and g++. If you ever wish to set a specific version as the default, you can use the update-alternatives command to configure that. Always remember to run diagnostic checks after installation (`gcc –version`) to ensure that everything is set up correctly before you move forward with your development work.




    2. Installing GCC 14 on Ubuntu

      Installing GCC 14 on Ubuntu 22.04 and 24.04

      If you’re trying to get GCC 14 up and running on Ubuntu, I totally get the struggle! Here’s a simple breakdown of what you need to do:

      Step 1: Update Your System

      First things first, it’s a good idea to update your package list before installing anything. Open your terminal and run:

      sudo apt update && sudo apt upgrade

      Step 2: Adding the Toolchain PPA

      You’ll probably need to add a PPA that has GCC 14. Here’s how you can do it:

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

      After adding the PPA, remember to update the package list again:

      sudo apt update

      Step 3: Installing GCC 14

      Now you can install GCC 14 with the following command:

      sudo apt install gcc-14 g++-14

      Step 4: Managing Versions

      Don’t worry about the existing GCC version (like GCC 11). You can have multiple versions installed side by side. To switch between versions, you can use the update-alternatives command:

      sudo update-alternatives --config gcc

      This will let you choose which version of GCC to use by default. Just follow the prompts!

      Step 5: Check Installation

      To confirm that GCC 14 is installed correctly, you can run:

      gcc --version

      It should show you the version number.

      Troubleshooting Dependencies

      As for dependencies, usually the package manager sorts them out, but if you run into issues, just read the command output. If something is missing, it’ll usually tell you what it is. You might also want to install build-essential if you haven’t already:

      sudo apt install build-essential

      If You Face Issues…

      If something goes wrong during installation, you can always remove GCC with:

      sudo apt remove gcc-14 g++-14

      And start over if needed.

      Final Thoughts

      Installing GCC can be a hassle at times, but if you follow these steps, you should be good to go! Just take it slow and don’t hesitate to ask for help if you hit a snag. Happy coding!


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