# Copyright 2014 Google Inc. All rights reserved.
{
  'variables': {
    'cc_dir': '<(SHARED_INTERMEDIATE_DIR)/protoc_out',
    'proto_in_dir%': '.',
  },
  'conditions': [
    ['protobuf_lib_type=="system"', {
      # protobuf_lib is a library setting.
      'direct_dependent_settings': {
        'libraries': [
          '<(protobuf_lib)',
        ],
      },
    }],
    ['protobuf_lib_type=="target"', {
      # protobuf_lib is a gyp target.
      'dependencies': [
        '<(protobuf_lib)',
      ],
      'export_dependent_settings': [
        '<(protobuf_lib)',
      ],
    }],
    ['protobuf_lib_type=="source"', {
      # protobuf_lib is a source folder.
      # We use protobuf.gyp to describe the build.
      'dependencies': [
        '../third_party/protobuf.gyp:protoc#host',
        '../third_party/protobuf.gyp:protobuf_lite',
      ],
      'export_dependent_settings': [
        '../third_party/protobuf.gyp:protobuf_lite',
      ],
      'variables': {
        # Since we are building our own protoc, override protoc_dir.
        'protoc_dir': '<(PRODUCT_DIR)',
      },
    }],
  ],
  'rules': [
    {
      'rule_name': 'genproto',
      'extension': 'proto',
      'outputs': [
        '<(cc_dir)/<(RULE_INPUT_ROOT).pb.cc',
        '<(cc_dir)/<(RULE_INPUT_ROOT).pb.h',
      ],
      'action': [
        '<(protoc_dir)/protoc',
        '--proto_path=<(proto_in_dir)',
        # Naively you'd use <(RULE_INPUT_PATH) here, but protoc requires
        # --proto_path is a strict prefix of the path given as an argument.
        '<(proto_in_dir)/<(RULE_INPUT_ROOT)<(RULE_INPUT_EXT)',
        '--cpp_out=<(cc_dir)',
        ],
      'message': 'Generating C++ code from <(RULE_INPUT_PATH) ccdir=<(cc_dir)',
      'process_outputs_as_sources': 1,
    },
  ],
  'include_dirs': [
    '<(cc_dir)',
  ],
  'direct_dependent_settings': {
    'include_dirs': [
      '<(cc_dir)',
    ]
  },
  # This target exports a hard dependency because it generates header
  # files.
  'hard_dependency': 1,
}