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80 lines
3.5 KiB
CMake
80 lines
3.5 KiB
CMake
set(_gRPC_SOURCE_DIR "${ClickHouse_SOURCE_DIR}/contrib/grpc")
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set(_gRPC_BINARY_DIR "${ClickHouse_BINARY_DIR}/contrib/grpc")
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# Use re2 from ClickHouse contrib, not from gRPC third_party.
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if(NOT RE2_INCLUDE_DIR)
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message(FATAL_ERROR " grpc: The location of the \"re2\" library is unknown")
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endif()
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set(gRPC_RE2_PROVIDER "clickhouse" CACHE STRING "" FORCE)
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set(_gRPC_RE2_INCLUDE_DIR "${RE2_INCLUDE_DIR}")
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set(_gRPC_RE2_LIBRARIES "${RE2_LIBRARY}")
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# Use zlib from ClickHouse contrib, not from gRPC third_party.
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if(NOT ZLIB_INCLUDE_DIRS)
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message(FATAL_ERROR " grpc: The location of the \"zlib\" library is unknown")
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endif()
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set(gRPC_ZLIB_PROVIDER "clickhouse" CACHE STRING "" FORCE)
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set(_gRPC_ZLIB_INCLUDE_DIR "${ZLIB_INCLUDE_DIRS}")
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set(_gRPC_ZLIB_LIBRARIES "${ZLIB_LIBRARIES}")
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# Use protobuf from ClickHouse contrib, not from gRPC third_party.
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if(NOT Protobuf_INCLUDE_DIR OR NOT Protobuf_LIBRARY)
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message(FATAL_ERROR " grpc: The location of the \"protobuf\" library is unknown")
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elseif (NOT Protobuf_PROTOC_EXECUTABLE)
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message(FATAL_ERROR " grpc: The location of the protobuf compiler is unknown")
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elseif (NOT Protobuf_PROTOC_LIBRARY)
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message(FATAL_ERROR " grpc: The location of the protobuf compiler's library is unknown")
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endif()
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set(gRPC_PROTOBUF_PROVIDER "clickhouse" CACHE STRING "" FORCE)
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set(_gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR "${Protobuf_INCLUDE_DIR}")
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set(_gRPC_PROTOBUF_LIBRARIES "${Protobuf_LIBRARY}")
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set(_gRPC_PROTOBUF_PROTOC "protoc")
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set(_gRPC_PROTOBUF_PROTOC_EXECUTABLE "${Protobuf_PROTOC_EXECUTABLE}")
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set(_gRPC_PROTOBUF_PROTOC_LIBRARIES "${Protobuf_PROTOC_LIBRARY}")
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# Use OpenSSL from ClickHouse contrib, not from gRPC third_party.
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set(gRPC_SSL_PROVIDER "clickhouse" CACHE STRING "" FORCE)
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set(_gRPC_SSL_INCLUDE_DIR ${OPENSSL_INCLUDE_DIR})
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set(_gRPC_SSL_LIBRARIES ${OPENSSL_LIBRARIES})
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# Use abseil-cpp from ClickHouse contrib, not from gRPC third_party.
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set(gRPC_ABSL_PROVIDER "clickhouse" CACHE STRING "" FORCE)
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# Choose to build static or shared library for c-ares.
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if (MAKE_STATIC_LIBRARIES)
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set(CARES_STATIC ON CACHE BOOL "" FORCE)
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set(CARES_SHARED OFF CACHE BOOL "" FORCE)
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else ()
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set(CARES_STATIC OFF CACHE BOOL "" FORCE)
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set(CARES_SHARED ON CACHE BOOL "" FORCE)
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endif ()
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# Disable looking for libnsl on a platforms that has gethostbyname in glibc
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#
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# c-ares searching for gethostbyname in the libnsl library, however in the
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# version that shipped with gRPC it doing it wrong [1], since it uses
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# CHECK_LIBRARY_EXISTS(), which will return TRUE even if the function exists in
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# another dependent library. The upstream already contains correct macro [2],
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# but it is not included in gRPC (even upstream gRPC, not the one that is
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# shipped with clickhousee).
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#
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# [1]: https://github.com/c-ares/c-ares/blob/e982924acee7f7313b4baa4ee5ec000c5e373c30/CMakeLists.txt#L125
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# [2]: https://github.com/c-ares/c-ares/blob/44fbc813685a1fa8aa3f27fcd7544faf612d376a/CMakeLists.txt#L146
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#
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# And because if you by some reason have libnsl [3] installed, clickhouse will
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# reject to start w/o it. While this is completelly different library.
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#
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# [3]: https://packages.debian.org/bullseye/libnsl2
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if (NOT CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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set(HAVE_LIBNSL OFF CACHE BOOL "" FORCE)
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endif()
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# We don't want to build C# extensions.
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set(gRPC_BUILD_CSHARP_EXT OFF)
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add_subdirectory("${_gRPC_SOURCE_DIR}" "${_gRPC_BINARY_DIR}")
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# The contrib/grpc/CMakeLists.txt redefined the PROTOBUF_GENERATE_GRPC_CPP() function for its own purposes,
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# so we need to redefine it back.
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include("${ClickHouse_SOURCE_DIR}/contrib/grpc-cmake/protobuf_generate_grpc.cmake")
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