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How to: Build Chromium with Reclient

It is official: Goma is no longer supported by Google, and all Chromium and AOSP builds must use Reclient for remote execution and caching.

Reclient is a build system plugin providing remote execution and remote caching capabilities to existing build systems that do not natively support them -- such as Ninja, the build system used to build Chromium. See my last post, Goma is Gone — Put Everything Into Reclient! for an overview of Reclient architecture and some insights into the migration.

In this post we delve into the technical details of how to build Chromium with Reclient on a remote cluster with Linux workers.

Bazel scales more than just builds

Bazel creates a structured layer between the details of building and testing for individual languages and the users, both human and machine, that perform build operations. This abstraction simplifies workflows and is the foundation for powerful build-adjacent systems not possible with other build tools. Scalable Bazel builds underpin a scalable organization and development culture.