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      1 # Copyright (C) 2017 The Android Open Source Project
      2 #
      3 # Licensed under the Apache License, Version 2.0 (the "License");
      4 # you may not use this file except in compliance with the License.
      5 # You may obtain a copy of the License at
      6 #
      7 #      http://www.apache.org/licenses/LICENSE-2.0
      8 #
      9 # Unless required by applicable law or agreed to in writing, software
     10 # distributed under the License is distributed on an "AS IS" BASIS,
     11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 # See the License for the specific language governing permissions and
     13 # limitations under the License.
     14 
     15 import("//build_overrides/build.gni")
     16 
     17 if (!build_with_chromium) {
     18   import("//gn/standalone/proto_library.gni")
     19 } else {
     20   import("//third_party/protobuf/proto_library.gni")
     21 }
     22 
     23 # Equivalent to proto_library (generation of .h/.cc from .proto files) but
     24 # enables also generation using the protozero plugin.
     25 # The generated files will have the .pbzero.{cc,h} suffix, as opposed to the
     26 # .pb.{cc,h} of the official proto library.
     27 template("protozero_library") {
     28   proto_library(target_name) {
     29     perfetto_root_path = invoker.perfetto_root_path
     30 
     31     generate_cc = false
     32     generate_python = false
     33     generator_plugin_label = perfetto_root_path + "src/protozero/protoc_plugin"
     34     generator_plugin_suffix = ".pbzero"
     35 
     36     if (defined(invoker.deps)) {
     37       deps = invoker.deps
     38     } else {
     39       deps = []
     40     }
     41 
     42     deps += [ perfetto_root_path + "src/protozero" ]
     43 
     44     forward_variables_from(invoker,
     45                            [
     46                              "defines",
     47                              "generator_plugin_options",
     48                              "include_dirs",
     49                              "proto_in_dir",
     50                              "proto_out_dir",
     51                              "sources",
     52                              "testonly",
     53                              "visibility",
     54                            ])
     55   }
     56 }
     57