12/6/2023 0 Comments Chromium os2016![]() ![]() In this alternative workflow, the cros chrome-sdk is never called directly by hand, but instead called once during gclient sync. It's also possible to follow all these instructions outside the Simple Chrome SDK shell, which conforms more closely to how the browser is built for its other supported platforms. Note: See also Using a custom Chrome OS build. amd64-generic) or your own Chrome OS build (see Using a custom Chrome OS build). Non-Googlers: Only generic boards have publicly available SDK downloads, so you will need to use a generic board (e.g. When the SDK version changes you may need to exit and re-enter the Simple Chrome environment to successfully build and deploy Chrome. Important: When you sync/update your Chrome source, the Chrome OS SDK version (src/chromeos/CHROMEOS_LKGM) may change. Optional: Please help development by setting dcheck_always_on=true and filing bugs if you encounter any DCHECK crashes: (shell) cros chrome-sdk -chrome-branding -board=$BOARD -log-level=info -gn-extra-args='dcheck_always_on=true'Īlternatively, you can set dcheck_is_configurable=true to log DCHECK errors without crashing. Use the following command: (shell) cros chrome-sdk -chrome-branding -board=$BOARD -log-level=info Use it for performance testing, not for debugging. official doesn't involve branding, instead it enables an additional level of optimization and removes development conveniences like runtime stack traces. Googlers: Use -chrome-branding if you need a branded Chrome build including resources and components from src-internal to work on internal features like ARC and assistant. Use this option to persist changes made to a previous session's gn args. -nogn-gen Do not run ‘gn gen’ automatically.-log-level=info Sets the log level to ‘info’ or ‘debug’ (default is ‘warn’).-gn-extra-args='extra_arg=foo other_extra_arg=bar' For setting extra gn args, e.g.-official Enables the official build level of optimization.-chrome-branding Sets up Simple Chrome to build and deploy the internal Chrome instead of Chromium.-download-vm will download a Chrome OS VM and a QEMU binary.( Non-Googlers may need to disable this with -nogoma.) Creates out_$BOARD/Release and generates or updates args.gn.Fetches the Chrome OS toolchain and sysroot (SDK) for building Chrome.The command prompt will change to look like (sdk $BOARD $VERSION).Įntering the Simple Chrome environment does the following: (shell) cros chrome-sdk -board=$BOARD -log-level=info To enter the Simple Chrome environment, run these from within your Chrome checkout: (shell) cd /path/to/chrome/src For example: Platform 10176.47.0 (Official Build) beta-channel samus has board samus. For a physical device, look up the Chrome OS board name by navigating to the URL about:version on the device. For the Chrome OS VM, and non-Googlers, use amd64-generic. See Set up the Chrome OS device for details.īuilding Chrome for Chrome OS requires a toolchain customized for each Chromebook model (or “board”). If you need to test hardware-specific features such as graphics acceleration, bluetooth, mouse or input events, etc, you may also use a physical device (Googlers: Chromestop has the hardware). The easiest way to develop on Chrome OS is to use a VM. This is done by running the install-build-deps-android.sh script in Chrome’s source code, located at $CHROME_DIR/src/build/install-build-deps-android.sh. You‘ll also need to pull in Android native toolchain dependencies to build ARC++ support libraries. When prompted for a project ID, enter 134157665460 (this is the Chrome OS project ID). ( Googlers: Use your account.) Otherwise steps below may run slowly and fail with “Login Required” from gsutil. Use depot_tools/gsutil.py and run gsutil.py config to set the authentication token. gclient file the official API keys will be set up automatically. ![]() Googlers: See chrome build instructions to get the internal source.You'll need to put them in your out_$BOARD/Release/args.gn file, see below. In order to sign in to Chrome OS you must have Google API keys: Inside the cros_sdk chroot on your workstationĬheck out a copy of the Chrome source code and depot_tools. Inside the chrome-sdk SDK shell on your workstation Outside the chroot and SDK shell on your workstation Specifying the version of the Chrome OS SDK to use.Updating the version of the Chrome OS SDK.Command-line flags and environment variables.Install the test image onto your device.
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