Clone this repo:


  1. 4ceee99 Android: Add bundle modules to by Peter Wen · 14 minutes ago master
  2. 9cf9639 Roll Fuchsia SDK from 890960576948 to 890957594152 by chromium-autoroll · 2 hours ago
  3. f3133d6 [ios] Adds support for asset catalog colorsets. by Rohit Rao · 4 hours ago
  4. 5bbcd23 Reland #2: "Trichrome Proguard: Fix locale pak selection." by Eric Stevenson · 4 hours ago
  5. 8d417b5 android: hide //third_party/android_platform dep behind build_with_chromium. by John Budorick · 4 hours ago


//build contains:

  • Core GN templates and configuration
  • Core Python build scripts

Since this directory is DEPS'ed in by some other repositories (webrtc, pdfium, v8, etc), it should be kept as self-contained as possible by not referring to files outside of it. Some exceptions exist (//testing, select //third_party subdirectories), but new dependencies tend to break these other projects, and so should be avoided.

Changes to //build should be landed in the Chromium repo. They will then be replicated to the stand-alone build repo by the gsubtreed tool.


  • //build/config - Common templates via .gni files.
  • //build/toolchain - GN toolchain definitions.
  • Other .py files - Some are used by GN/Ninja. Some by gclient hooks, some are just random utilities.

Files referenced by //.gn:

  • //build/ - Included by all files.
  • //build/secondary - An overlay for files. Enables adding to directories that live in sub-repositories.
  • //build_overrides - Refer to //build_overrides/