How To Install gcc-9 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install gcc-9 on Ubuntu 20.04.
What is gcc-9
gcc-9 is:
This is the GNU C compiler, a fairly portable optimizing compiler for C. Task: ubuntustudio-video, ubuntu-mate-core, ubuntu-mate-desktop Build-Essential: yes
Package: gcc-9 Architecture: amd64 Version: 9.3.0-10ubuntu2 Priority: optional Section: devel Origin: Ubuntu Maintainer: Ubuntu Core developers [email protected] Original-Maintainer: Debian GCC Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 29783 Provides: c-compiler Depends: cpp-9 (= 9.3.0-10ubuntu2), gcc-9-base (= 9.3.0-10ubuntu2), libcc1-0 (>= 9.3.0-10ubuntu2), binutils (>= 2.34), libgcc-9-dev (= 9.3.0-10ubuntu2), libc6 (>= 2.15), libgcc-s1 (>= 3.0), libgmp10 (>= 2:5.0.1~), libisl22 (>= 0.15), libmpc3, libmpfr6 (>= 3.1.3), libstdc++6 (>= 5), zlib1g (>= 1:1.1.4) Recommends: libc6-dev (>= 2.13-0ubuntu6) Suggests: gcc-9-multilib, gcc-9-doc (>= 8), gcc-9-locales (>= 8) Replaces: cpp-9 (« 7.1.1-8) Filename: pool/main/g/gcc-9/gcc-9_9.3.0-10ubuntu2_amd64.deb Size: 8233992 MD5sum: f910c40fb004188a62caedc9fe5e9688 SHA1: ff54dd9e794015345a11bb001249c9db622373e2 SHA256: 22f0282dc1549a4f5715b94e9c71ed0e96c400d522ec15453e1a8000d45ea8d7 Homepage: http://gcc.gnu.org/ Description-en: GNU C compiler This is the GNU C compiler, a fairly portable optimizing compiler for C. Task: ubuntustudio-video, ubuntu-mate-core, ubuntu-mate-desktop Build-Essential: yes
There are three methods to install gcc-9 on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install gcc-9 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install gcc-9 using apt-get by running the following command:
sudo apt-get -y install gcc-9
Install gcc-9 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install gcc-9 using apt by running the following command:
sudo apt -y install gcc-9
Install gcc-9 Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install gcc-9 using aptitude by running the following command:
sudo aptitude -y install gcc-9
How To Uninstall gcc-9 on Ubuntu 20.04
To uninstall only the gcc-9 package we can use the following command:
sudo apt-get remove gcc-9
Uninstall gcc-9 And Its Dependencies
To uninstall gcc-9 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove gcc-9
Remove gcc-9 Configurations and Data
To remove gcc-9 configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge gcc-9
Remove gcc-9 configuration, data, and all of its dependencies
We can use the following command to remove gcc-9 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge gcc-9
References
Summary
In this tutorial we learn how to install gcc-9 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
