[roll] Roll fuchsia [build] Add `enable_jobserver` build argument.

Set this to true in `args.gn` to run the build using a
GNU Make jobserver pool of job slots to coordinate parallel
tasks among recursive builds.

When building the IDK, this launches all sub-builds at the
same time, instead of in a pool of depth 5, and still reduces
overall build time successfully.

Early measurements on CQ seem to indicate that jobserver mode
could be enabled by default on all builds without affecting them
but for now keep this feature disabled. Other CLs will enable
it for specific builder configurations, such as `sdk-core-linux`
or `sdk-bazel-linux` since they will benefit the most out of it.

Original-Bug: 42163397
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1132393
Original-Revision: a02d19b4cb3287781581793fae3b7ee3423f468d
GitOrigin-RevId: e29d3723c465904cd2207da679dab7d3c2f0fd91
Change-Id: I2b758d86a2dc8550ccdc39503dca8b75b1443e38
1 file changed
tree: ff0fd2dd79eb9aeae90f0c17d62d5ab0ec284d33
  1. ctf/
  2. git-hooks/
  3. infra/
  4. third_party/
  5. cts
  6. firmware
  7. flower
  8. jiri.lock
  9. MILESTONE
  10. minimal
  11. prebuilts
  12. README.md
  13. stem
  14. test_durations
  15. toolchain
README.md

Integration

This repository contains Fuchsia's Global Integration manifest files.

Making changes

All changes should be made to the internal version of this repository. Our infrastructure automatically updates this version when the internal one changes.

Currently all changes must be made by a Google employee. Non-Google employees wishing to make a change can ask for assistance in one of the communication channels documented at get involved.

Obtaining the source

First install Jiri.

Next run:

$ jiri init
$ jiri import minimal https://fuchsia.googlesource.com/integration
$ jiri update

Third party

Third party projects should have their own subdirectory in ./third_party.