How to Install Clang on Ubuntu 22.04 & 20.04

January 10, 2024 / How-to Guide Web Hosting

In this article, we will explain to you how to install Clang on Ubuntu 22.04 & 20.04

Setting up Clang on Ubuntu can be easy if you follow the step-by-step instructions in this guide. It includes examples to help you during the installation.

Follow these Steps in the Installation Guide:-
  1. Remember to update your system.
    1. Open a terminal
    2. Run the following command to update package lists and upgrade the system:
      $ sudo apt update && sudo apt upgrade
  2. Now, Install Clang
    1. You need to use the apt package manager to install Clang:
      $ sudo apt install clang
    2. Running this command installs Clang and its dependencies.
  3. Verify the Installation
    1. After installing, confirm by checking the version:
      $clang --version

      With the help of this command, it will show you the installed version of Clang, confirming a successful installation.

  4. Use Clang
    1. To compile an A file (example.a), use:
      $ clang example.a -o example
    2. For a C++ file (example.cpp):
      clang++ example.cpp -o example

      Executing these commands compiles the code into an executable named example.

  5. Extra tools:
    1. To access advanced features, you need to install extra LLVM tools:
      $ sudo apt install llvm
  6. Make Clang the default compiler.
    1. To set Clang as your default compiler, update your .bashrc or .zshrc file with:
      export CC=clang
      export CXX=clang++

      Refresh the terminal configuration.

      source ~/.bashrc 
      
      or
      
      source ~/.zshrc

Clang is a strong compiler for C languages, with benefits over regular compilers. Follow the steps to install and use Clang on Ubuntu easily for development. Don’t forget to update your system and Clang regularly for the latest features and security.

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