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| # Licensed to the Apache Software Foundation (ASF) under one | |
| # or more contributor license agreements. See the NOTICE file | |
| # distributed with this work for additional information | |
| # regarding copyright ownership. The ASF licenses this file | |
| # to you under the Apache License, Version 2.0 (the | |
| # "License"); you may not use this file except in compliance | |
| # with the License. You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, | |
| # software distributed under the License is distributed on an | |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| # KIND, either express or implied. See the License for the | |
| # specific language governing permissions and limitations | |
| # under the License. | |
| if(c-aresAlt_FOUND) | |
| return() | |
| endif() | |
| set(find_package_args) | |
| if(c-aresAlt_FIND_VERSION) | |
| list(APPEND find_package_args ${c-aresAlt_FIND_VERSION}) | |
| endif() | |
| if(c-aresAlt_FIND_QUIETLY) | |
| list(APPEND find_package_args QUIET) | |
| endif() | |
| find_package(c-ares ${find_package_args}) | |
| if(c-ares_FOUND) | |
| set(c-aresAlt_FOUND TRUE) | |
| return() | |
| endif() | |
| find_package(PkgConfig QUIET) | |
| pkg_check_modules(c-ares_PC libcares) | |
| if(c-ares_PC_FOUND) | |
| set(c-ares_INCLUDE_DIR "${c-ares_PC_INCLUDEDIR}") | |
| list(APPEND c-ares_PC_LIBRARY_DIRS "${c-ares_PC_LIBDIR}") | |
| find_library(c-ares_LIB cares | |
| PATHS ${c-ares_PC_LIBRARY_DIRS} | |
| PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES} | |
| NO_DEFAULT_PATH) | |
| elseif(c-ares_ROOT) | |
| find_library(c-ares_LIB | |
| NAMES cares | |
| "${CMAKE_SHARED_LIBRARY_PREFIX}cares${CMAKE_SHARED_LIBRARY_SUFFIX}" | |
| PATHS ${c-ares_ROOT} | |
| PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES} | |
| NO_DEFAULT_PATH) | |
| find_path(c-ares_INCLUDE_DIR | |
| NAMES ares.h | |
| PATHS ${c-ares_ROOT} | |
| NO_DEFAULT_PATH | |
| PATH_SUFFIXES ${ARROW_INCLUDE_PATH_SUFFIXES}) | |
| else() | |
| find_library(c-ares_LIB | |
| NAMES cares | |
| "${CMAKE_SHARED_LIBRARY_PREFIX}cares${CMAKE_SHARED_LIBRARY_SUFFIX}" | |
| PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES}) | |
| find_path(c-ares_INCLUDE_DIR | |
| NAMES ares.h | |
| PATH_SUFFIXES ${ARROW_INCLUDE_PATH_SUFFIXES}) | |
| endif() | |
| find_package_handle_standard_args(c-aresAlt REQUIRED_VARS c-ares_LIB c-ares_INCLUDE_DIR) | |
| if(c-aresAlt_FOUND) | |
| if(NOT TARGET c-ares::cares) | |
| add_library(c-ares::cares UNKNOWN IMPORTED) | |
| set_target_properties(c-ares::cares | |
| PROPERTIES IMPORTED_LOCATION "${c-ares_LIB}" | |
| INTERFACE_INCLUDE_DIRECTORIES | |
| "${c-ares_INCLUDE_DIR}") | |
| endif() | |
| endif() | |