1*cc02d7e2SAndroid Build Coastguard Worker# Copyright 2019 gRPC authors. 2*cc02d7e2SAndroid Build Coastguard Worker# 3*cc02d7e2SAndroid Build Coastguard Worker# Licensed under the Apache License, Version 2.0 (the "License"); 4*cc02d7e2SAndroid Build Coastguard Worker# you may not use this file except in compliance with the License. 5*cc02d7e2SAndroid Build Coastguard Worker# You may obtain a copy of the License at 6*cc02d7e2SAndroid Build Coastguard Worker# 7*cc02d7e2SAndroid Build Coastguard Worker# http://www.apache.org/licenses/LICENSE-2.0 8*cc02d7e2SAndroid Build Coastguard Worker# 9*cc02d7e2SAndroid Build Coastguard Worker# Unless required by applicable law or agreed to in writing, software 10*cc02d7e2SAndroid Build Coastguard Worker# distributed under the License is distributed on an "AS IS" BASIS, 11*cc02d7e2SAndroid Build Coastguard Worker# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*cc02d7e2SAndroid Build Coastguard Worker# See the License for the specific language governing permissions and 13*cc02d7e2SAndroid Build Coastguard Worker# limitations under the License. 14*cc02d7e2SAndroid Build Coastguard Worker 15*cc02d7e2SAndroid Build Coastguard Workerif(TARGET absl::strings) 16*cc02d7e2SAndroid Build Coastguard Worker # If absl is included already, skip including it. 17*cc02d7e2SAndroid Build Coastguard Worker # (https://github.com/grpc/grpc/issues/29608) 18*cc02d7e2SAndroid Build Coastguard Workerelseif(gRPC_ABSL_PROVIDER STREQUAL "module") 19*cc02d7e2SAndroid Build Coastguard Worker if(NOT ABSL_ROOT_DIR) 20*cc02d7e2SAndroid Build Coastguard Worker set(ABSL_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/abseil-cpp) 21*cc02d7e2SAndroid Build Coastguard Worker endif() 22*cc02d7e2SAndroid Build Coastguard Worker if(EXISTS "${ABSL_ROOT_DIR}/CMakeLists.txt") 23*cc02d7e2SAndroid Build Coastguard Worker if(gRPC_INSTALL) 24*cc02d7e2SAndroid Build Coastguard Worker # When gRPC_INSTALL is enabled and Abseil will be built as a module, 25*cc02d7e2SAndroid Build Coastguard Worker # Abseil will be installed along with gRPC for convenience. 26*cc02d7e2SAndroid Build Coastguard Worker set(ABSL_ENABLE_INSTALL ON) 27*cc02d7e2SAndroid Build Coastguard Worker endif() 28*cc02d7e2SAndroid Build Coastguard Worker add_subdirectory(${ABSL_ROOT_DIR} third_party/abseil-cpp) 29*cc02d7e2SAndroid Build Coastguard Worker else() 30*cc02d7e2SAndroid Build Coastguard Worker message(WARNING "gRPC_ABSL_PROVIDER is \"module\" but ABSL_ROOT_DIR is wrong") 31*cc02d7e2SAndroid Build Coastguard Worker endif() 32*cc02d7e2SAndroid Build Coastguard Worker if(gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE) 33*cc02d7e2SAndroid Build Coastguard Worker message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_ABSL_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.") 34*cc02d7e2SAndroid Build Coastguard Worker set(gRPC_INSTALL FALSE) 35*cc02d7e2SAndroid Build Coastguard Worker endif() 36*cc02d7e2SAndroid Build Coastguard Workerelseif(gRPC_ABSL_PROVIDER STREQUAL "package") 37*cc02d7e2SAndroid Build Coastguard Worker # Use "CONFIG" as there is no built-in cmake module for absl. 38*cc02d7e2SAndroid Build Coastguard Worker find_package(absl REQUIRED CONFIG) 39*cc02d7e2SAndroid Build Coastguard Workerendif() 40*cc02d7e2SAndroid Build Coastguard Workerset(_gRPC_FIND_ABSL "if(NOT TARGET absl::strings)\n find_package(absl CONFIG)\nendif()") 41