CentOS - Sep 2019 - Need to update gcc to version >=6 on CentOS 7 ?

I need to build u-boot on my CentOS 7 machine but encounter this:
> *** Your GCC is older than 6.0 and is not supported
I've updated the installation on my machine but the current version
is:
> gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-36)
How do I go about updating gcc to version 6 or greater on my CentOS 7
machine? And do so safely?

On 9/11/19 9:05 AM, John Chludzinski wrote:
>
> How do I go about updating gcc to version 6 or greater on my CentOS 7
> machine? And do so safely?

The easiest way is going to be to use software collections:

https://www.softwarecollections.org/en/scls/rhscl/devtoolset-7/

devtoolset 7 will install gcc 7 in a directory in /opt, which will not 
conflict or interfere with existing system packages. When you want to 
use gcc 7, you'd start a new shell with a modified path and other 
environment variables using:

 ? scl enable devtoolset-7 bash

$ sudo yum install devtoolset-7

Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirror.vcu.edu
 * epel: mirror.siena.edu
 * extras: mirror.vcu.edu
 * updates: mirror.vcu.edu
No package devtoolset-7 available.
Error: Nothing to do

On Wed, Sep 11, 2019 at 12:17 PM Gordon Messmer
<gordon.messmer at gmail.com> wrote:
>
> On 9/11/19 9:05 AM, John Chludzinski wrote:
> >
> > How do I go about updating gcc to version 6 or greater on my CentOS 7
> > machine? And do so safely?
>
>
> The easiest way is going to be to use software collections:
>
> https://www.softwarecollections.org/en/scls/rhscl/devtoolset-7/
>
> devtoolset 7 will install gcc 7 in a directory in /opt, which will not
> conflict or interfere with existing system packages. When you want to
> use gcc 7, you'd start a new shell with a modified path and other
> environment variables using:
>
>    scl enable devtoolset-7 bash
>
>
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