Re: two gccs

[Patrick Begou <Patrick.Begou@univ-grenoble-alpes.fr>]

Le 17/10/2021 à 04:16, Bill Cunningham via Gcc-help a écrit :
>     I am partially complete with a build of gcc-11.2.0. The thing is
> that I need the system to recognize the gcc driver I am calling on. I
> will also be working on two glibcs, but first thing first.
>
>     There is the system gcc, and the test gcc. Of course I can only
> get the system gcc to work. Can the $PATH variable be changed to
> access the test gcc, which btw, is not fully complete? Or can sym
> links be used in a very skillful manner. I have read both these ways
> can, somehow, be used. But I would think gcc runtime switches would
> work. The system is considering these two gccs as different as their
> triplets are different.
>
>
To uses several flavor of a same software, have a look at the
environment module. On my cluster It allows users to select gcc6, gcc9
or gcc10 flavor easily in production, setting PATH,
LD_LIBRARY_PATH,....etc. with "module load" / "module unload" commands.

Patrick