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Bazel Build System Evolution

3 posts · Nov 2020 – Dec 2023

What this trail covers

Bazel 7, the latest LTS release, introduces Bzlmod as the default external dependency management system, enabling Build without the Bytes (BwoB) for improved remote build performance, and merging analysis and execution phases (Skymeld) for better multi-target build performance. It also streamlines platform-based toolchain resolution for Android and C++ development. The integration of AOSP into the Bazel ecosystem signifies a move towards more unified build systems for large-scale projects.

All Google trails
  1. Bazel 7 Release- Google Developers BlogBazel 7 release notes detailing the default enablement of Bzlmod for external dependency management, the default enablement of Build without the Bytes (BwoB) for remote execution, the merging of analysis and execution phases (Skymeld) for improved multi-target build performance, and the streamlining of platform-based toolchain resolution for Android and C++ development.
  2. More Voices = More Bazel- Google Developers BlogThis post highlights the increasing adoption and community contributions to Bazel, emphasizing the 'More Voices = More Bazel' initiative. It details how community contributions have led to significant improvements in Bazel's performance, reliability, and feature set, including advancements in remote execution, caching, and platform support. The post underscores the collaborative effort in evolving Bazel into a more powerful and versatile build system.
  3. Welcome Android Open Source Project (AOSP) to the Bazel ecosystem- Google Developers BlogThis post announces the integration of the Android Open Source Project (AOSP) into the Bazel build system. It highlights the benefits of using Bazel for AOSP development, including improved build performance, scalability, and reproducibility. The post details the initial steps and considerations for migrating AOSP to Bazel, emphasizing the potential for a more streamlined and efficient build process for the Android ecosystem.