To install a specific version of gcc, you could perhaps use pkgsrc (NetBSD 
package manager, but it works on every system, including Linux).

Serge
On Aug 21, 2024 at 07:35 +0800, Damian Rouson <damian@archaeologic.codes>, 
wrote:
> It has been a few years since I used Ubuntu. If I recall correctly, I think 
> you can just use
>
> sudo apt install gcc
>
> and that will install gcc, g++, and gfortran.  My Linux knowledge is limited. 
>  I never figured out how to install a specific version of GCC on Ubuntu so I 
> think you just get what you get.  However, what I liked about Ubuntu was that 
> it seemed to be aggressive about installing more up-to-date versions of GCC 
> than some other Linux distributions, so if it's an option, you might get a 
> newer version of GCC by updating your Ubuntu kernel and then the above apt 
> command again.  I think the latest version is Ubuntu 24.  FWIW, I mostly used 
> the Lubuntu lightweight Ubuntu distribution.
>
> If you really need GCC 14 and the above advice doesn't help, you might try 
> running the OpenCoarrays installer script to build whatever version you want 
> from source:
>
> git clone https://github.com/sourceryinstitute/opencoarrays
> cd opencoarrays
> ./install.sh --package gcc --install-version 14 --install-prefix 
> <installation-path> --num-threads 4
>
> or run ./install.sh. --help for additional options or shorter versions of the 
> above options.
>
> I hope this is all helpful.
>
> Damian
>
>
>
> > On Tue, Aug 20, 2024 at 4:08 PM John Harper <john.har...@vuw.ac.nz> wrote:
> > > I did this in my Ubuntu 22.04 system with no trouble:
> > >
> > > (lf) john:~$ sudo add-apt-repository ppa:ubuntu-toolchain-r/test
> > >
> > > but the next step failed:
> > >
> > > (lf) john:~$ sudo apt install gfortran-14
> > > Reading package lists... Done
> > > Building dependency tree... Done
> > > Reading state information... Done
> > > Package gfortran-14 is not available, but is referred to by another
> > > package.
> > > This may mean that the package is missing, has been obsoleted, or
> > > is only available from another source
> > >
> > > E: Package 'gfortran-14' has no installation candidate
> > > (lf) john:~$
> > >
> > > What should I have done?
> > >
> > > -- John Harper, School of Mathematics and Statistics
> > > Victoria Univ. of Wellington, PO Box 600, Wellington 6140, New Zealand.
> > > e-mail john.har...@vuw.ac.nz

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