Binary Build Locations
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Binary build locations of select Open Source software projects.
- Mozilla Firefox: Binaries are build on Google Compute Engine (GCP). [1]
- iceraven-browser

: Microsoft. [2]
- Flatpak: Amazon [3]
- Flathub does not have building from source code as a project goal. Feature request Indicate on flathub.org Whether a Flatpak is Built from Source or Binary During Build Process on Flathub #5733

was closed but is open for contributions.
- Flathub reproducible builds: Using Amazon S3? TODO: research and document
- Flathub does not have building from source code as a project goal. Feature request Indicate on flathub.org Whether a Flatpak is Built from Source or Binary During Build Process on Flathub #5733
- Select Open Source operating systems:
- Generally: What "building from source code" means in the context of building Open Souce operating systems from source code is not well defined. See also Builds from Source Code versus Builds including Binary Packages and Dev/bootstrappable builds.
- Kicksecure: Images and packages are build on developer machines. [4]
- Qubes: ? [5]
- Debian: Intel/AMD64 packages are build by various individuals and orgranisations. [6]
User discussion
[edit]- Reddit: Why does Firefox Send use Google's servers?

- Reddit: Firefox background connections including *.mozgcp.net

- Reddit: How to prevent Firefox from automatically connecting to servers on startup

- Reddit: mozgcp.net blocked by Pi-hole

- Ask Ubuntu: Firefox repeated connections to googleusercontent.com

- LinuxGuides: Firefox Verbindungen zu bc.googleusercontent.com

- LinuxQuestions: What's going on with googleusercontent.com?

- FreeBSD Forums: googlecontent

- Linux Mint Forums: Firefox strange behavior

Footnotes
[edit]- ↑
moving shippable builds and Android emulator tests from AWS over to GCPMozilla Discourse: Engineering Effectiveness Newsletter, August and September 2022

- Mozilla issue tracker: Bug 1547111 - Migrate shippable builds from AWS to GCP r=ahal!,jmaher!

- ↑
Github

is owned by Microsoft. Github actions

Release automation We have now setup release automation so that Github actions automatically trigger a release build and publish a release when we push a tag to the repository.https://github.com/fork-maintainers/iceraven-browser

- ↑
Flatpak's build orchestrator Vorarbeiter

according to a Flatpak Vorarbeiter 2026 blog post

uses runs-on

, which runs on AWS (Amazon).
- ↑ Kicksecure Trust wiki page, chapter Software Build Process Security
- ↑
related discussion: Qubes forums: update philosophy flaw

- ↑
...
- conova communications GmbH
- individual Debian supporters (hardware)
- MIT Computer Science & Artificial Intelligence Lab (hosting)
- Greek Research and Technology Network (GRNET) (hosting)
- ...https://db.debian.org/machines.cgi?sortby=purpose&sortorder=dsc

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