riscv64-unknown-elf-c++ command not found

Introduction

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

riscv64-unknown-elf-c++: command not found

or when using sudo you get the following error message

sudo: riscv64-unknown-elf-c++: command not found

Solutions to riscv64-unknown-elf-c++: command not found

How To Fix riscv64-unknown-elf-c++: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu riscv64-unknown-elf-c++ is provided by gcc-riscv64-unknown-elf package.

gcc-riscv64-unknown-elf is:

Bare metal compiler for embedded RISC-V chips supporting both 64 and 32 bit architectures. This package includes patches for vendor-specific ISA extensions.

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

sudo apt-get -y install gcc-riscv64-unknown-elf

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

You can also use apt command to install gcc-riscv64-unknown-elf.

sudo apt -y install gcc-riscv64-unknown-elf

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

sudo aptitude install gcc-riscv64-unknown-elf

Summary

In this tutorial we learn how to fix riscv64-unknown-elf-c++ command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.