v8 147.4.0

Rust bindings to V8
Documentation 
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# Copyright 2018 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Defines the build_timestamp variable.

import("//build/util/lastchange.gni")

if (is_android) {
  import("//build/config/android/abi.gni")

  # Ensure the exec_script() runs only once in default debug configs to
  # minimize "gn gen" overhead.
  if (!enable_android_secondary_abi) {
    assert(
        current_toolchain == default_toolchain,
        "Trying to run compute_build_timestamp.py in toolchain: $current_toolchain")
  }
}

declare_args() {
  # This should be the filename of a script that prints a single line
  # containing an integer that's a unix timestamp in UTC.
  # This timestamp is used as build time and will be compiled into
  # other code.
  #
  # This argument may look unused. Before removing please check with the
  # chromecast team to see if they still use it internally.
  compute_build_timestamp = "compute_build_timestamp.py"
}

if (is_official_build) {
  official_name = "official"
} else {
  official_name = "default"
}

# This will return a timestamp that's different each day (official builds)
# or each month (regular builds).  Just rely on gn rerunning due to other
# changes to keep this up to date.  (Bots run gn on each build, and for devs
# the timestamp being 100% accurate doesn't matter.)
# See compute_build_timestamp.py for tradeoffs for picking the timestamp.
build_timestamp = exec_script(compute_build_timestamp,
                              [ official_name ],
                              "trim string",
                              [ lastchange_file ])