gn/perfetto_check_build_deps.gni

# Copyright (C) 2020 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("perfetto.gni")

# This template, when instantiated, runs
# tools/install-build-deps --check-only ${args}.
# It's used to ensure that deps are current before building.
template("perfetto_check_build_deps") {
  if (perfetto_build_standalone && !skip_buildtools_check) {
    action(target_name) {
      out_file = "$target_gen_dir/$target_name.check"
      out_file_path = rebase_path(out_file, root_build_dir)
      script = "${perfetto_root_path}tools/install-build-deps"
      args = [ "--check-only=${out_file_path}" ]
      args += invoker.args
      inputs = []
      if (defined(invoker.inputs)) {
        inputs += invoker.inputs
      }
      outputs = [ out_file ]
    }
  } else {
    group(target_name) {
      not_needed(invoker, "*")
    }
  }
}