1*cc02d7e2SAndroid Build Coastguard Worker# Copyright 2017 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(gRPC_CARES_PROVIDER STREQUAL "module") 16*cc02d7e2SAndroid Build Coastguard Worker if(NOT CARES_ROOT_DIR) 17*cc02d7e2SAndroid Build Coastguard Worker set(CARES_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/cares/cares) 18*cc02d7e2SAndroid Build Coastguard Worker endif() 19*cc02d7e2SAndroid Build Coastguard Worker set(CARES_SHARED OFF CACHE BOOL "disable shared library") 20*cc02d7e2SAndroid Build Coastguard Worker set(CARES_STATIC ON CACHE BOOL "link cares statically") 21*cc02d7e2SAndroid Build Coastguard Worker if(gRPC_BACKWARDS_COMPATIBILITY_MODE) 22*cc02d7e2SAndroid Build Coastguard Worker # See https://github.com/grpc/grpc/issues/17255 23*cc02d7e2SAndroid Build Coastguard Worker set(HAVE_LIBNSL OFF CACHE BOOL "avoid cares dependency on libnsl") 24*cc02d7e2SAndroid Build Coastguard Worker endif() 25*cc02d7e2SAndroid Build Coastguard Worker add_subdirectory("${CARES_ROOT_DIR}" third_party/cares/cares) 26*cc02d7e2SAndroid Build Coastguard Worker 27*cc02d7e2SAndroid Build Coastguard Worker if(TARGET c-ares) 28*cc02d7e2SAndroid Build Coastguard Worker set(_gRPC_CARES_LIBRARIES c-ares) 29*cc02d7e2SAndroid Build Coastguard Worker if(gRPC_INSTALL AND _gRPC_INSTALL_SUPPORTED_FROM_MODULE) 30*cc02d7e2SAndroid Build Coastguard Worker install(TARGETS c-ares EXPORT gRPCTargets 31*cc02d7e2SAndroid Build Coastguard Worker RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR} 32*cc02d7e2SAndroid Build Coastguard Worker LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR} 33*cc02d7e2SAndroid Build Coastguard Worker ARCHIVE DESTINATION ${gRPC_INSTALL_LIBDIR}) 34*cc02d7e2SAndroid Build Coastguard Worker endif() 35*cc02d7e2SAndroid Build Coastguard Worker endif() 36*cc02d7e2SAndroid Build Coastguard Worker 37*cc02d7e2SAndroid Build Coastguard Worker if(gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE) 38*cc02d7e2SAndroid Build Coastguard Worker message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_CARES_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.") 39*cc02d7e2SAndroid Build Coastguard Worker set(gRPC_INSTALL FALSE) 40*cc02d7e2SAndroid Build Coastguard Worker endif() 41*cc02d7e2SAndroid Build Coastguard Workerelseif(gRPC_CARES_PROVIDER STREQUAL "package") 42*cc02d7e2SAndroid Build Coastguard Worker find_package(c-ares 1.13.0 REQUIRED) 43*cc02d7e2SAndroid Build Coastguard Worker if(TARGET c-ares::cares) 44*cc02d7e2SAndroid Build Coastguard Worker set(_gRPC_CARES_LIBRARIES c-ares::cares) 45*cc02d7e2SAndroid Build Coastguard Worker endif() 46*cc02d7e2SAndroid Build Coastguard Worker set(_gRPC_FIND_CARES "if(NOT c-ares_FOUND)\n find_package(c-ares)\nendif()") 47*cc02d7e2SAndroid Build Coastguard Workerendif() 48