build/config/fuchsia/gn_configs.gni

# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

assert(is_fuchsia)

declare_args() {
  # The target API level for this repository. Embedders should override this
  # value to specify the API level the packages produced from this repository
  # should be targeting, e.g. in their top-level //.gn file. A value of -1
  # means that no API level will be passed to the tools that consumes it.
  fuchsia_target_api_level = 12

  # Path to the fuchsia SDK. This is intended for use in other templates &
  # rules to reference the contents of the fuchsia SDK.
  fuchsia_sdk = "//third_party/fuchsia/sdk/$host_os"

  # ID uniquely identifying the Fuchsia IDK build. This is exposed as a
  # property so it can be used to locate images and packages on GCS and
  # as a marker to indicate the "version" of the IDK.
  # Defaults to the id found in the manifest.json file of the SDK.
  fuchsia_sdk_id = ""
}

declare_args() {
  # The SDK manifest file. This is useful to include as a dependency
  # for some targets in order to cause a rebuild when the version of the
  # SDK is changed.
  fuchsia_sdk_manifest_file = "$fuchsia_sdk/meta/manifest.json"

  # fuchsia_tool_dir is used to specify the directory in the SDK to locate
  # tools for the host cpu architecture. If the host_cpu is not recognized,
  # then tool dir defaults to x64.
  fuchsia_tool_dir = "${fuchsia_sdk}/tools/x64"
  if (host_cpu == "arm64") {
    fuchsia_tool_dir = "${fuchsia_sdk}/tools/arm64"
  }
}

if (fuchsia_sdk_id == "") {
  # Note: If we need to expose more than just the id in the future,
  # we should consider exposing the entire json object for the metadata vs.
  # adding a bunch of variables.
  _meta = read_file(fuchsia_sdk_manifest_file, "json")
  fuchsia_sdk_id = _meta.id
}

declare_args() {
  # Specify a readelf_exec path to use. If not specified, the host's system
  # executable will be used. Passed to populate_build_id_dir.py and
  # prepare_package_inputs.py via the --readelf-exec flag.
  # Must be a GN path (not an absolute path) since it is adjusted with
  # rebase_path().
  if (!defined(fuchsia_sdk_readelf_exec)) {
    fuchsia_sdk_readelf_exec = ""
  }
}