gn/protozero_library.gni

# Copyright (C) 2017 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")
import("proto_library.gni")

# Equivalent to proto_library (generation of .h/.cc from .proto files) but
# enables also generation using the protozero plugin.
# The generated files will have the .pbzero.{cc,h} suffix, as opposed to the
# .pb.{cc,h} of the official proto library.
template("protozero_library") {
  proto_library(target_name) {
    perfetto_root_path = invoker.perfetto_root_path

    generate_cc = false
    generate_python = false
    generator_plugin_label = perfetto_root_path + "src/protozero/protoc_plugin"
    generator_plugin_suffix = ".pbzero"
    if (build_with_chromium) {
      component_build_force_source_set = true
    }

    if (defined(invoker.deps)) {
      deps = invoker.deps
    } else {
      deps = []
    }

    deps += [ perfetto_root_path + "src/protozero" ]

    forward_variables_from(invoker,
                           [
                             "defines",
                             "generator_plugin_options",
                             "include_dirs",
                             "proto_in_dir",
                             "proto_out_dir",
                             "sources",
                             "testonly",
                             "visibility",
                             "generate_descriptor",
                           ])
  }
}