unifdef command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

unifdef: command not found

or when using sudo you get the following error message

sudo: unifdef: command not found

Solutions to unifdef: command not found

How To Fix unifdef: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu unifdef is provided by unifdef package.

unifdef is:

The unifdef utility selectively processes conditional cpp(1) directives. It removes from a file both the directives and any additional text that they specify should be removed, while otherwise leaving the file alone.

To fix this problem, we can install more using the command below.

sudo apt-get -y install unifdef

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install unifdef.

sudo apt -y install unifdef

Or if you have aptitude installed you can use the following command.

sudo aptitude install unifdef

Summary

In this tutorial we learn how to fix unifdef command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.