third_party/tflite_support/BUILD.gn

# Copyright 2021 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/sanitizers/sanitizers.gni")
import("//third_party/flatbuffers/flatbuffer.gni")
import("//third_party/protobuf/proto_library.gni")

config("tflite_support_config") {
  include_dirs = [
    "src",
    "src/tensorflow_lite_support",
  ]
}

proto_library("tflite_support_proto") {
  proto_in_dir = "src"
  sources = [
    "src/tensorflow_lite_support/cc/task/core/proto/base_options.proto",
    "src/tensorflow_lite_support/cc/task/core/proto/external_file.proto",
    "src/tensorflow_lite_support/cc/task/text/proto/bert_nl_classifier_options.proto",
    "src/tensorflow_lite_support/cc/task/text/proto/nl_classifier_options.proto",
    "src/tensorflow_lite_support/cc/task/vision/proto/bounding_box.proto",
    "src/tensorflow_lite_support/cc/task/vision/proto/class.proto",
    "src/tensorflow_lite_support/cc/task/vision/proto/classifications.proto",
    "src/tensorflow_lite_support/cc/task/vision/proto/image_classifier_options.proto",
  ]
  cc_generator_options = "lite=true:"

  import_dirs = [ "//third_party/tflite/src" ]
  proto_deps = [ "//third_party/tflite:tflite-config-proto" ]
}

config("tflite_support_flags") {
  cflags = [
    "-Wno-comment",
    "-Wno-extern-c-compat",
    "-Wno-implicit-function-declaration",
    "-Wno-sign-compare",
    "-Wno-ignored-attributes",
    "-Wno-deprecated-declarations",
    "-Wno-unused-variable",
  ]
  if (!is_win) {
    cflags_cc = [ "-frtti" ]
  } else {
    cflags_cc = [ "/GR" ]
  }
}

flatbuffer("metadata_schema") {
  sources = [ "src/tensorflow_lite_support/metadata/metadata_schema.fbs" ]

  # Disable warnings as the flatbuffer uses snakecase for sentencePiece which
  # now causes a warning message with flatc.
  args = [ "--no-warnings" ]
}

static_library("tflite_support") {
  sources = [
    "src/tensorflow_lite_support/cc/common.cc",
    "src/tensorflow_lite_support/cc/common.h",
    "src/tensorflow_lite_support/cc/port/default/tflite_wrapper.cc",
    "src/tensorflow_lite_support/cc/port/default/tflite_wrapper.h",
    "src/tensorflow_lite_support/cc/port/status_macros.h",
    "src/tensorflow_lite_support/cc/port/statusor.h",
    "src/tensorflow_lite_support/cc/task/core/base_task_api.h",
    "src/tensorflow_lite_support/cc/task/core/category.h",
    "src/tensorflow_lite_support/cc/task/core/error_reporter.cc",
    "src/tensorflow_lite_support/cc/task/core/error_reporter.h",
    "src/tensorflow_lite_support/cc/task/core/external_file_handler.cc",
    "src/tensorflow_lite_support/cc/task/core/external_file_handler.h",
    "src/tensorflow_lite_support/cc/task/core/proto/external_file_proto_inc.h",
    "src/tensorflow_lite_support/cc/task/core/task_api_factory.cc",
    "src/tensorflow_lite_support/cc/task/core/task_api_factory.h",
    "src/tensorflow_lite_support/cc/task/core/task_utils.cc",
    "src/tensorflow_lite_support/cc/task/core/task_utils.h",
    "src/tensorflow_lite_support/cc/task/core/tflite_engine.cc",
    "src/tensorflow_lite_support/cc/task/core/tflite_engine.h",
    "src/tensorflow_lite_support/cc/task/processor/bert_preprocessor.cc",
    "src/tensorflow_lite_support/cc/task/processor/bert_preprocessor.h",
    "src/tensorflow_lite_support/cc/task/processor/image_preprocessor.cc",
    "src/tensorflow_lite_support/cc/task/processor/image_preprocessor.h",
    "src/tensorflow_lite_support/cc/task/processor/processor.cc",
    "src/tensorflow_lite_support/cc/task/processor/processor.h",
    "src/tensorflow_lite_support/cc/task/processor/regex_preprocessor.cc",
    "src/tensorflow_lite_support/cc/task/processor/regex_preprocessor.h",
    "src/tensorflow_lite_support/cc/task/text/bert_nl_classifier.cc",
    "src/tensorflow_lite_support/cc/task/text/bert_nl_classifier.h",
    "src/tensorflow_lite_support/cc/task/text/nlclassifier/nl_classifier.cc",
    "src/tensorflow_lite_support/cc/task/text/nlclassifier/nl_classifier.h",
    "src/tensorflow_lite_support/cc/task/text/proto/nl_classifier_options_proto_inc.h",
    "src/tensorflow_lite_support/cc/task/text/utils/bert_utils.cc",
    "src/tensorflow_lite_support/cc/task/text/utils/bert_utils.h",
    "src/tensorflow_lite_support/cc/task/vision/core/classification_head.cc",
    "src/tensorflow_lite_support/cc/task/vision/core/classification_head.h",
    "src/tensorflow_lite_support/cc/task/vision/core/frame_buffer.cc",
    "src/tensorflow_lite_support/cc/task/vision/core/frame_buffer.h",
    "src/tensorflow_lite_support/cc/task/vision/core/label_map_item.cc",
    "src/tensorflow_lite_support/cc/task/vision/core/label_map_item.h",
    "src/tensorflow_lite_support/cc/task/vision/image_classifier.cc",
    "src/tensorflow_lite_support/cc/task/vision/image_classifier.h",
    "src/tensorflow_lite_support/cc/task/vision/utils/frame_buffer_common_utils.cc",
    "src/tensorflow_lite_support/cc/task/vision/utils/frame_buffer_common_utils.h",
    "src/tensorflow_lite_support/cc/task/vision/utils/frame_buffer_utils.cc",
    "src/tensorflow_lite_support/cc/task/vision/utils/frame_buffer_utils.h",
    "src/tensorflow_lite_support/cc/task/vision/utils/image_tensor_specs.cc",
    "src/tensorflow_lite_support/cc/task/vision/utils/image_tensor_specs.h",
    "src/tensorflow_lite_support/cc/task/vision/utils/libyuv_frame_buffer_utils.cc",
    "src/tensorflow_lite_support/cc/task/vision/utils/libyuv_frame_buffer_utils.h",
    "src/tensorflow_lite_support/cc/task/vision/utils/score_calibration.cc",
    "src/tensorflow_lite_support/cc/task/vision/utils/score_calibration.h",
    "src/tensorflow_lite_support/cc/text/tokenizers/bert_tokenizer.cc",
    "src/tensorflow_lite_support/cc/text/tokenizers/bert_tokenizer.h",
    "src/tensorflow_lite_support/cc/text/tokenizers/regex_tokenizer.cc",
    "src/tensorflow_lite_support/cc/text/tokenizers/regex_tokenizer.h",
    "src/tensorflow_lite_support/cc/text/tokenizers/tokenizer.h",
    "src/tensorflow_lite_support/cc/text/tokenizers/tokenizer_utils.cc",
    "src/tensorflow_lite_support/cc/text/tokenizers/tokenizer_utils.h",
    "src/tensorflow_lite_support/cc/utils/common_utils.cc",
    "src/tensorflow_lite_support/cc/utils/common_utils.h",
    "src/tensorflow_lite_support/metadata/cc/metadata_extractor.cc",
    "src/tensorflow_lite_support/metadata/cc/metadata_extractor.h",
    "src/tensorflow_lite_support/metadata/cc/utils/zip_readonly_mem_file.cc",
    "src/tensorflow_lite_support/metadata/cc/utils/zip_readonly_mem_file.h",
    "src/tensorflow_lite_support/metadata/cc/utils/zip_writable_mem_file.cc",
    "src/tensorflow_lite_support/metadata/cc/utils/zip_writable_mem_file.h",
  ]

  deps = [
    ":metadata_schema",
    ":tflite_support_proto",
    "//base",
    "//third_party/flatbuffers",
    "//third_party/libyuv",
    "//third_party/libzip",
    "//third_party/smhasher:murmurhash2",
    "//third_party/tensorflow-text",
    "//third_party/tflite",
    "//third_party/tflite:tflite-config-proto",
    "//third_party/tflite:tflite_public_headers",
    "//third_party/utf",
    "//third_party/zlib:minizip",
  ]

  public_deps = [
    "//third_party/abseil-cpp:absl",
    "//third_party/re2",
  ]

  configs -= [ "//build/config/compiler:chromium_code" ]

  configs += [
    "//build/config/compiler:no_chromium_code",

    # Must be after no_chromium_code for warning flags to be ordered correctly.
    ":tflite_support_flags",
  ]

  public_configs = [ ":tflite_support_config" ]
}