1# Copyright 2020 The TensorFlow Authors. All rights reserved. 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""" 16Utilities for configuring googleapis in workspace external dependency. 17""" 18 19load("@com_google_googleapis//:repository_rules.bzl", "switched_rules_by_language") 20 21def config_googleapis(): 22 """Configures external dependency googleapis to use Google's C++ gRPC APIs 23 24 To avoid ODR violation, the cc proto libraries (*.pb.cc) must be 25 statically linked to libtensorflow_framework.so, whereas cc grpc libraries 26 (*.grpc.pb.cc) must be statically linked to _pywrap_tensorflow.so. 27 28 To achieve this, Bazel rules are overridden to 29 (1) generate headers-only proto library, and 30 (2) build grpc library depending on the cc headers instead of the cc proto 31 library. 32 """ 33 switched_rules_by_language( 34 name = "com_google_googleapis_imports", 35 cc = True, 36 grpc = True, 37 rules_override = { 38 "cc_proto_library": [ 39 "@org_tensorflow//third_party/googleapis:build_rules.bzl", 40 "", 41 ], 42 "cc_grpc_library": [ 43 "@org_tensorflow//third_party/googleapis:build_rules.bzl", 44 "", 45 ], 46 }, 47 ) 48