On Tue, 2023-04-18 at 16:07 +0200, Florian Weimer wrote: > TL;DR: I want to propose a GCC 14 change which will impact > distributions, so I'd like to gather some feedback from Debian.
Is this change being made the upstream defaults? Or will it be a distro override like the hardening flags are? > I would appreciate some discussion on the Debian impact. Since most of the Debian archive can be reproducibly built, it seems like the way to gauge the impact of this change on Debian would be to do two archive rebuilds, once without the flags and once with the flags, then compare the two builds for each package using diffoscope. The reproducible builds fuzzing tests get 96.2% reproducible, this would only go up when not varying most of the fuzzed things. https://tests.reproducible-builds.org/debian/reproducible.html The existing documentation for Debian archive rebuilds is outdated and deleted, but Lucas Nusbaum and others have been doing them for a while. https://wiki.debian.org/MassRebuilds https://wiki.debian.org/qa.debian.org/ArchiveTesting?action=recall&rev=23 -- bye, pabs https://wiki.debian.org/PaulWise
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