Objective
The objective is to install G++ the C++ compiler on Ubuntu 18.04 Bionic BeaverOperating System and Software Versions
- Operating System: - Ubuntu 18.04 Bionic Beaver
Requirements
Privileged access to your Ubuntu System as root or viasudo
command is required. 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
Other Versions of this Tutorial
Ubuntu 20.04 (Focal Fossa)Instructions
Install GCC
The following linux command will installgcc
compiler on on Ubuntu 18.04 Bionic Beaver. Open up terminal and enter: $ sudo apt install g++
Install build-essential
Another way to installg++
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
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Check G++ 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!