mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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61 lines
2.6 KiB
61 lines
2.6 KiB
# Copyright 2017 gRPC authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# The CMakeLists.txt for zlib doesn't propagate include directories |
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# transitively so `_gRPC_ZLIB_INCLUDE_DIR` should be set for gRPC |
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# to find header files. |
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if(gRPC_ZLIB_PROVIDER STREQUAL "module") |
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if(NOT ZLIB_ROOT_DIR) |
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set(ZLIB_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/zlib) |
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endif() |
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if(EXISTS "${ZLIB_ROOT_DIR}/CMakeLists.txt") |
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# TODO(jtattermusch): workaround for https://github.com/madler/zlib/issues/218 |
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include_directories("${ZLIB_ROOT_DIR}") |
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add_subdirectory(${ZLIB_ROOT_DIR} third_party/zlib) |
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if(TARGET zlibstatic) |
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set(_gRPC_ZLIB_LIBRARIES zlibstatic) |
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set(_gRPC_ZLIB_INCLUDE_DIR "${ZLIB_ROOT_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/third_party/zlib") |
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if(gRPC_INSTALL AND _gRPC_INSTALL_SUPPORTED_FROM_MODULE) |
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install(TARGETS zlibstatic EXPORT gRPCTargets |
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RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR} |
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LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR} |
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ARCHIVE DESTINATION ${gRPC_INSTALL_LIBDIR}) |
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endif() |
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endif() |
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else() |
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message(WARNING "gRPC_ZLIB_PROVIDER is \"module\" but ZLIB_ROOT_DIR is wrong") |
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endif() |
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if(gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE) |
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message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_ZLIB_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.") |
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set(gRPC_INSTALL FALSE) |
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endif() |
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elseif(gRPC_ZLIB_PROVIDER STREQUAL "package") |
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# zlib installation directory can be configured by setting ZLIB_ROOT |
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# We allow locating zlib using both "CONFIG" and "MODULE" as the expectation |
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# is that many Linux systems will have zlib installed via a distribution |
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# package ("MODULE"), while on Windows the user is likely to have installed |
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# zlib using cmake ("CONFIG"). |
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# See https://cmake.org/cmake/help/v3.6/module/FindZLIB.html |
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find_package(ZLIB REQUIRED) |
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if(TARGET ZLIB::ZLIB) |
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set(_gRPC_ZLIB_LIBRARIES ZLIB::ZLIB) |
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else() |
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set(_gRPC_ZLIB_LIBRARIES ${ZLIB_LIBRARIES}) |
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endif() |
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set(_gRPC_ZLIB_INCLUDE_DIR ${ZLIB_INCLUDE_DIRS}) |
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set(_gRPC_FIND_ZLIB "if(NOT ZLIB_FOUND)\n find_package(ZLIB)\nendif()") |
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endif()
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