clang++-9 command not found

Introduction

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

clang++-9: command not found

or when using sudo you get the following error message

sudo: clang++-9: command not found

Solutions to clang++-9: command not found

How To Fix clang++-9: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu clang++-9 is provided by clang-9 package.

clang-9 is:

Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC).

Clang implements all of the ISO C++ 1998, 11 and 14 standards and also provides most of the support of C++17.

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

sudo apt-get -y install clang-9

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

You can also use apt command to install clang-9.

sudo apt -y install clang-9

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

sudo aptitude install clang-9

Summary

In this tutorial we learn how to fix clang++-9 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.