How To Install libllvm3.9 on Ubuntu 18.04

In this tutorial we learn how to install libllvm3.9 on Ubuntu 18.04. libllvm3.9 is Modular compiler and toolchain technologies, runtime library

Introduction

In this tutorial we learn how to install libllvm3.9 on Ubuntu 18.04.

What is libllvm3.9

libllvm3.9 is:

LLVM is a collection of libraries and tools that make it easy to build compilers, optimizers, just-in-time code generators, and many other compiler-related programs.

This package contains the LLVM runtime library.

There are three methods to install libllvm3.9 on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libllvm3.9 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libllvm3.9 using apt-get by running the following command:

sudo apt-get -y install libllvm3.9

Install libllvm3.9 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libllvm3.9 using apt by running the following command:

sudo apt -y install libllvm3.9

Install libllvm3.9 Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libllvm3.9 using aptitude by running the following command:

sudo aptitude -y install libllvm3.9

How To Uninstall libllvm3.9 on Ubuntu 18.04

To uninstall only the libllvm3.9 package we can use the following command:

sudo apt-get remove libllvm3.9

Uninstall libllvm3.9 And Its Dependencies

To uninstall libllvm3.9 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libllvm3.9

Remove libllvm3.9 Configurations and Data

To remove libllvm3.9 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libllvm3.9

Remove libllvm3.9 configuration, data, and all of its dependencies

We can use the following command to remove libllvm3.9 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libllvm3.9

References

Summary

In this tutorial we learn how to install libllvm3.9 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.