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#
# This file is open source software, licensed to you under the terms
# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
# distributed with this work for additional information regarding copyright
# ownership.  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.
#

#
# Copyright (C) 2018 Scylladb, Ltd.
#

find_package (PkgConfig REQUIRED)

pkg_check_modules (c-ares_PC
  QUIET
  libcares)

find_library (c-ares_LIBRARY
  NAMES cares
  HINTS
    ${c-ares_PC_LIBDIR}
    ${c-ares_PC_LIBRARY_DIRS})

find_path (c-ares_INCLUDE_DIR
  NAMES ares_dns.h
  HINTS
    ${c-ares_PC_INCLUDEDIR}
    ${c-ares_PC_INCLUDE_DIRS})

mark_as_advanced (
  c-ares_LIBRARY
  c-ares_INCLUDE_DIR)

include (FindPackageHandleStandardArgs)

find_package_handle_standard_args (c-ares
  REQUIRED_VARS
    c-ares_LIBRARY
    c-ares_INCLUDE_DIR
  VERSION_VAR c-ares_PC_VERSION)

set (c-ares_LIBRARIES ${c-ares_LIBRARY})
set (c-ares_INCLUDE_DIRS ${c-ares_INCLUDE_DIR})

if (c-ares_FOUND AND NOT (TARGET c-ares::c-ares))
  add_library (c-ares::c-ares UNKNOWN IMPORTED)

  set_target_properties (c-ares::c-ares
    PROPERTIES
      IMPORTED_LOCATION ${c-ares_LIBRARY}
      INTERFACE_INCLUDE_DIRECTORIES ${c-ares_INCLUDE_DIRS})
endif ()