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# Copyright 2017 gRPC authors.
#
# Licensed 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("${gRPC_ZLIB_PROVIDER}" STREQUAL "module")
if(NOT ZLIB_ROOT_DIR)
set(ZLIB_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/zlib)
endif()
if(EXISTS "${ZLIB_ROOT_DIR}/CMakeLists.txt")
# TODO(jtattermusch): workaround for https://github.com/madler/zlib/issues/218
include_directories("${ZLIB_ROOT_DIR}")
add_subdirectory(${ZLIB_ROOT_DIR} third_party/zlib)
if(TARGET zlibstatic)
set(_gRPC_ZLIB_LIBRARIES zlibstatic)
set(_gRPC_ZLIB_INCLUDE_DIR "${ZLIB_ROOT_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib")
endif()
else()
message(WARNING "gRPC_ZLIB_PROVIDER is \"module\" but ZLIB_ROOT_DIR is wrong")
endif()
if(gRPC_INSTALL)
message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_ZLIB_PROVIDER is \"module\"")
set(gRPC_INSTALL FALSE)
endif()
elseif("${gRPC_ZLIB_PROVIDER}" STREQUAL "package")
find_package(ZLIB REQUIRED)
set(_gRPC_ZLIB_LIBRARIES ${ZLIB_LIBRARIES})
set(_gRPC_ZLIB_INCLUDE_DIR ${ZLIB_INCLUDE_DIRS})
set(_gRPC_FIND_ZLIB "if(NOT ZLIB_FOUND)\n find_package(ZLIB)\nendif()")
endif()
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