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There was a bunch of activity around Reproducible Builds at ! A 🧵...

On the main stage, core dev Holger 'h01ger' Levsen presented "Titled Reproducible Builds: The First Ten Years" giving an overview: how it started with a small BoF at DebConf13 (and before), then grew from being a Debian effort to something many projects work on together, until in 2021 it was mentioned in an Executive Order of the President of the United States.

fosdem.org/2024/schedule/event

@malte and @katexochen presented "Reproducible builds for confidential computing: Why remote attestation is worthless without it" in the Confidential Computing devroom, covering the status quo of how reference values are used in CC. Based on a minimal open source example, they explained how they build fully reproducible OS images with mkosi and - all the way from source code in Git to the reference values for remote attestation.

fosdem.org/2024/schedule/event

Reproducible Builds

"RISC-V Bootstrapping in Guix and Live-Bootstrap" was presented by @ekaitz_zarraga in the "Declarative and Minimalistic Computing" devroom, mentioning GNU Mes, TinyCC, GCC, live-bootstrap, GNU and other related projects.

fosdem.org/2024/schedule/event

On the other side of the campus, in the HPC, Big Data & Data Science devroom, Philippe Swartvagher presented "Making reproducible and publishable large-scale HPC experiments"

fosdem.org/2024/schedule/event

Randrianaina proposes an approach for the automatic identification of configuration options causing non-reproducibility of builds. Applying it on three case studies, namely Toybox, Busybox, and Linux, they analyzed more than 2,000 configurations for each of them and finding direct, actionable information for improvement to the Linux community.

fosdem.org/2024/schedule/event

@reproducible_builds

That was an interesting talk to systematically find kernel configuration options that led to non-deterministic results!

There was significant work, largely by @bwh to get #ReproducibleBuilds of the #Linux kernel packages in #Debian ... and other than documentation packages, it basically was ... but some things crept in along the way...

bugs.debian.org/1033663

salsa.debian.org/kernel-team/l

bugs.debian.org#1033663 - linux: reproducible-builds: Embedded build path in various binaries - Debian Bug report logs
@reproducible_builds
Waint a guix iso for riscV

april?

hardware lichee 4a based in the same roma computer
@ekaitz_zarraga