install multiple GCC on centos 8

[TrevorH]

You have to install centos-release-scl first

[akikanju]

Hello,
Please, I am unable to install neither centos-release-scl-rh nor centos-release-scl

Code: Select all

No match for argument: centos-release-scl-rh
Error: Unable to find a match: centos-release-scl-rh

After reading viewtopic.php?f=14&t=49709&start=10
and viewtopic.php?f=14&t=63789
I tried this

Code: Select all

[saheed@net ~]$ yum -q list \*release\*
Installed Packages
centos-release.x86_64                      8.1-1.1911.0.9.el8      @BaseOS      
elrepo-release.noarch                      8.1-1.el8.elrepo        @@commandline
epel-release.noarch                        8-8.el8                 @extras      
Available Packages
centos-release-ansible-29.noarch           1-2.el8                 extras       
centos-release-ceph-nautilus.noarch        1.2-2.el8               extras       
centos-release-ceph-octopus.noarch         1.0-1.el8               extras       
centos-release-configmanagement.noarch     1-1.el8                 extras       
centos-release-gluster6.noarch             1.0-1.el8               extras       
centos-release-gluster7.noarch             1.0-2.el8               extras       
centos-release-messaging.noarch            1-2.el8                 extras       
centos-release-nfs-ganesha28.noarch        1.0-3.el8               extras       
centos-release-nfs-ganesha30.noarch        1.0-2.el8               extras       
centos-release-openstack-train.noarch      2-1.el8                 extras       
centos-release-openstack-ussuri.noarch     1-2.el8                 extras       
centos-release-opstools.noarch             1-10.el8                extras       
centos-release-qpid-proton.noarch          1-2.el8                 extras       
centos-release-rabbitmq-38.noarch          1-2.el8                 extras       
centos-release-storage-common.noarch       2-2.el8                 extras       
centos-release-stream.x86_64               8.1-1.1911.0.7.el8      extras       
centos-release-virt-common.noarch          1-2.el8                 extras       
[saheed@net ~]$ 

[TrevorH]

Despite the title of this thread mentioning "CentOS 8", all posts up until the last one have been about CentOS 7. On CentOS 8 there is only the system gcc and devtoolset-9 and there is no SCL repo to install.

[akikanju]

So please, how do I get gcc 5.3 on my CentOS 8.
I already have gcc 8.3.1 but my CUDA version 8 only support gcc 5.3
I can't update CUDA because my GPU is Fermi