How To Install camlp4orf.opt on CentOS 8

One-liner Install Command

If you are only interested in the installation command, here is a quick answer for you:

sudo yum makecache && sudo yum -y install ocaml-camlp4-devel

sudo dnf makecache && sudo dnf -y install ocaml-camlp4-devel

But if you are interested in the details with step-by-step instructions, the following information will be helpful.

What is camlp4orf.opt and How to Install It?

First things first, you will need access to a server or computer running CentOS 8. This guide was written specifically with a server running CentOS 8 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install camlp4orf.opt on CentOS 8. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install camlp4orf.opt on CentOS 8 using dnf

First, update dnf packages database with dnf by running the next command:

sudo dnf makecache --refresh

After updating database, You can install camlp4orf.opt using dnf by running the following command:

sudo dnf -y install ocaml-camlp4-devel

Install camlp4orf.opt on CentOS 8 using yum

Because camlp4orf.opt is available in CentOS 8’s default repositories, it is possible to install it from these repositories using the yum packaging system.

To begin, update local packages database with yum using the following command.

sudo yum makecache --refresh

Now can install camlp4orf.opt package on your server/computer by running the following command:

sudo yum -y install ocaml-camlp4-devel

How to upgrade (update) a single package camlp4orf.opt using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like camlp4orf.opt in this example you should use the following command:

yum update ocaml-camlp4-devel

To downgrade a package to an earlier version:

yum downgrade ocaml-camlp4-devel

How to Upgrade camlp4orf.opt on CentOS 8 with dnf?

When you run the dnf update, all system packages with available updates are updated. However, if you want to upgrade a single package, then you would have to pass the package name as the argument to the dnf update command.

dnf update ocaml-camlp4-devel

How To remove camlp4orf.opt from CentOS 8

To uninstall only the camlp4orf.opt package you can execute the following command:

sudo dnf remove ocaml-camlp4-devel

Extra info and code examples

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. CamlP4 is a Pre-Processor-Pretty-Printer for Objective Caml. It offers tools for syntax (Stream Parsers and Grammars) and the ability to modify the concrete syntax of the language (Quotations, Syntax Extensions). This package contains the basic CamlP4 executables and libraries for pre-processing and pretty-printing OCaml sources both interactively and in a batch fashion.

Conclusion

You now have a full guide on how to install camlp4orf.opt using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the camlp4orf.opt from CentOS 8.

See also: