Step-by-step – GCC 12.1 CentOS 9 Installation

GNU/Linux CentOS 9 Installing GCC 12.1 from Source – QuickStart Guide

Hi! This tutorial will guide you step-by-step on How to Install GNU Compiler Collection 12.1.x from Source in CentOS Stream 9.x 64-bit GNU/Linux.

And the GCC 12.1 for CentOS 9 is a Compilers Collection currently supporting C, C++, Objective-C, Objective-C++, Fortran, Ada, D, Go, and BRIG (HSAIL) Languages.

Finally, GCC 12.1 includes several New Features, Changes, and Fixes that you can consult on the GNU GCC Documentation.

So this Guide is Valid also for All the others Red Hat Linux Based Distros like:

• Red Hat Enterprise Linux
• Oracle Enterprise Linux
• Rocky Linux
• AlmaLinux

1. 1. Launching Terminal

   Open a Shell Session
   (Press “Enter” to Execute Commands)

   
   In case first see: Terminal QuickStart Guide.
   

2. 2. Querying System GCC

   First, find out what the actual System GCC
   Play:

   which gcc

   Take Note of the PATH to use after installation for switching the System GCC.
   Possibly to Check the current GCC version issue:

   gcc -v

3. 3. Downloading GCC 12.1

   Download GCC 12.1 Source Code for GNU/Linux

   GCC 12.1 Source tar.gz

   Downloading GCC 12.1 for GNU/Linux Systems
   Navigate to the 12.1.x Folder to Grab the Package.

4. 4. Extracting GCC 12.1

   Then to Extract GCC 12.1 Archive
   If it does Not Open automatically then Double-Click/Right-Click to Open with Archive Manager:

   Or from Command Line:

   tar xvzf ~/Downloads/gcc-12.*.tar.gz

   (But if downloaded with Firefox it may be instead into /tmp/mozilla*)
   Finally, if you are in Trouble to Find Out it on Terminal See: How to Access Downloads Folder from Browser.