Objective
The objective is to install G++ the C++ compiler on Ubuntu 18.04 Bionic Beaver
Operating System and Software Versions
- Operating System: - Ubuntu 18.04 Bionic Beaver
Requirements
Privileged access to your Ubuntu System as root or via
sudo command is required.
Difficulty
EASY
Conventions
- # - requires given linux commands to be executed with root privileges either directly as a root user or by use of
sudo command - $ - requires given linux commands to be executed as a regular non-privileged user
Instructions
Install GCC
The following
linux command will install
gcc compiler on on Ubuntu 18.04 Bionic Beaver.
Open up terminal and enter:
$ sudo apt install g++
Install build-essential
Another way to install
g++ compiler is to install it as part of
build-essential package. Additionally the
build-essential package will also install additional libraries as well as
gcc compiler. In most cases or if unsure this is exactly what you need:
$ sudo apt install build-essential
Check GCC version
Confirm your installation by checking for GCC version:
$ g++ --version
g++ (Ubuntu 7.2.0-18ubuntu2) 7.2.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
C Hello World
Compile a simple C++ "Hello World" code:
#include <iostream>
using namespace std;
int main()
{
cout << "Hello, World!";
return 0;
}
Save the above code within
hello.cc file, compile and execute it:
$ g++ -o hello hello.cc
$ ./hello
Hello, World!
