On Thu, Sep 25, 2025 at 08:17:18AM +0000, Gianfranco Costamagna wrote: > 3.11 is not compatible with new gcc, I'm in the process of cherry-picking the upstream fixes and uploading to sid as soon as I finish. Do you have a bug number or a buildlog ? All the failure I have seen were with 3.12.0. I rebuilt xeus and xeus-gp with 3.11.3 with g++-15 and there was no issue. Cheers, Bill