On Tue, Nov 08, 2022 at 07:40:02AM +0000, Sam James wrote:
> > On 8 Nov 2022, at 07:33, Xi Ruoyao <xry...@xry111.site> wrote:
> > I'm wondering if running xz -T0 on different machines (with different
> > core numbers) may produce different compressed data. The difference can
> > cause trouble distributing checksums.
> >
>
> Your question is a good one - xz -T0 produces different results to xz -T1
> but:
> 1. The tarballs for GCC are only created on one machine and aren't
> created repeatedly then compared with each other wrt mirroring;
No, that is not the case.
While the snapshots are created on sourceware locally, GCC releases (and
release candidates) are typically created on some RM's local machine.
gcc_release script has the -l option which indicates it is running on
sourceware, and when -l is not present, -u username is used for upload.
Jakub
