How To Install ocaml-native-compilers on Debian 9

In this tutorial we learn how to install ocaml-native-compilers on Debian 9. ocaml-native-compilers is Native code compilers of the OCaml suite (the .opt ones)

Introduction

In this tutorial we learn how to install ocaml-native-compilers on Debian 9.

What is ocaml-native-compilers

ocaml-native-compilers is:

Objective Caml (OCaml) is an implementation of the ML language, based on the Caml Light dialect extended with a complete class-based object system and a powerful module system in the style of Standard ML.

This package contains the native code version of the compilers (ocamlc.opt, ocamllex.opt, ocamlopt.opt. The normal version of these programs are found in the ‘ocaml’ package. For big source codes, these packages can be two to three times faster, but for most normal sized sources, the difference won’t be noticeable.

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

Install ocaml-native-compilers Using apt-get

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

sudo apt-get update

After updating apt database, We can install ocaml-native-compilers using apt-get by running the following command:

sudo apt-get -y install ocaml-native-compilers

Install ocaml-native-compilers Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ocaml-native-compilers using apt by running the following command:

sudo apt -y install ocaml-native-compilers

Install ocaml-native-compilers 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install ocaml-native-compilers using aptitude by running the following command:

sudo aptitude -y install ocaml-native-compilers

How To Uninstall ocaml-native-compilers on Debian 9

To uninstall only the ocaml-native-compilers package we can use the following command:

sudo apt-get remove ocaml-native-compilers

Uninstall ocaml-native-compilers And Its Dependencies

To uninstall ocaml-native-compilers and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove ocaml-native-compilers

Remove ocaml-native-compilers Configurations and Data

To remove ocaml-native-compilers configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge ocaml-native-compilers

Remove ocaml-native-compilers configuration, data, and all of its dependencies

We can use the following command to remove ocaml-native-compilers configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge ocaml-native-compilers

Dependencies

ocaml-native-compilers have the following dependencies:

References

Summary

In this tutorial we learn how to install ocaml-native-compilers package on Debian 9 using different package management tools: apt, apt-get and aptitude.