ClickHouse/contrib/grpc-cmake/CMakeLists.txt
2020-11-24 17:53:34 +03:00

71 lines
3.2 KiB
CMake

set(_gRPC_SOURCE_DIR "${ClickHouse_SOURCE_DIR}/contrib/grpc")
set(_gRPC_BINARY_DIR "${ClickHouse_BINARY_DIR}/contrib/grpc")
# Use re2 from ClickHouse contrib, not from gRPC third_party.
if(NOT RE2_INCLUDE_DIR)
message(FATAL_ERROR " grpc: The location of the \"re2\" library is unknown")
endif()
set(gRPC_RE2_PROVIDER "clickhouse" CACHE STRING "" FORCE)
set(_gRPC_RE2_INCLUDE_DIR "${RE2_INCLUDE_DIR}")
set(_gRPC_RE2_LIBRARIES "${RE2_LIBRARY}")
# Use zlib from ClickHouse contrib, not from gRPC third_party.
if(NOT ZLIB_INCLUDE_DIRS)
message(FATAL_ERROR " grpc: The location of the \"zlib\" library is unknown")
endif()
set(gRPC_ZLIB_PROVIDER "clickhouse" CACHE STRING "" FORCE)
set(_gRPC_ZLIB_INCLUDE_DIR "${ZLIB_INCLUDE_DIRS}")
set(_gRPC_ZLIB_LIBRARIES "${ZLIB_LIBRARIES}")
# Use protobuf from ClickHouse contrib, not from gRPC third_party.
if(NOT Protobuf_INCLUDE_DIR OR NOT Protobuf_LIBRARY)
message(FATAL_ERROR " grpc: The location of the \"protobuf\" library is unknown")
elseif (NOT Protobuf_PROTOC_EXECUTABLE)
message(FATAL_ERROR " grpc: The location of the protobuf compiler is unknown")
elseif (NOT Protobuf_PROTOC_LIBRARY)
message(FATAL_ERROR " grpc: The location of the protobuf compiler's library is unknown")
endif()
set(gRPC_PROTOBUF_PROVIDER "clickhouse" CACHE STRING "" FORCE)
set(_gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR "${Protobuf_INCLUDE_DIR}")
set(_gRPC_PROTOBUF_LIBRARIES "${Protobuf_LIBRARY}")
set(_gRPC_PROTOBUF_PROTOC "protoc")
set(_gRPC_PROTOBUF_PROTOC_EXECUTABLE "${Protobuf_PROTOC_EXECUTABLE}")
set(_gRPC_PROTOBUF_PROTOC_LIBRARIES "${Protobuf_PROTOC_LIBRARY}")
# Use OpenSSL from ClickHouse contrib, not from gRPC third_party.
set(gRPC_SSL_PROVIDER "clickhouse" CACHE STRING "" FORCE)
set(_gRPC_SSL_INCLUDE_DIR ${OPENSSL_INCLUDE_DIR})
set(_gRPC_SSL_LIBRARIES ${OPENSSL_LIBRARIES})
# Modify abseil-cpp cmake script to allow building it for ClickHouse.
set(gRPC_ABSL_PROVIDER "clickhouse" CACHE STRING "" FORCE)
set(ABSL_ROOT_DIR "${_gRPC_SOURCE_DIR}/third_party/abseil-cpp")
if(NOT EXISTS "${ABSL_ROOT_DIR}/CMakeLists.txt")
message(FATAL_ERROR " grpc: submodule third_party/abseil-cpp is missing. To fix try run: \n git submodule update --init --recursive")
endif()
set(_ABSL_ORIG_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
set(_ABSL_ORIG_BUILD_TESTING ${BUILD_TESTING})
set(BUILD_SHARED_LIBS OFF) # abseil-cpp can't be built correctly as a shared library
set(BUILD_TESTING OFF) # we don't want to build abseil tests
add_subdirectory(${ABSL_ROOT_DIR} "${ClickHouse_BINARY_DIR}/contrib/grpc/third_party/abseil-cpp")
set(BUILD_SHARED_LIBS ${_ABSL_ORIG_BUILD_SHARED_LIBS})
set(BUILD_TESTING ${_ABSL_ORIG_BUILD_TESTING})
# Choose to build static or shared library for c-ares.
if (MAKE_STATIC_LIBRARIES)
set(CARES_STATIC ON CACHE BOOL "" FORCE)
set(CARES_SHARED OFF CACHE BOOL "" FORCE)
else ()
set(CARES_STATIC OFF CACHE BOOL "" FORCE)
set(CARES_SHARED ON CACHE BOOL "" FORCE)
endif ()
# We don't want to build C# extensions.
set(gRPC_BUILD_CSHARP_EXT OFF)
add_subdirectory("${_gRPC_SOURCE_DIR}" "${_gRPC_BINARY_DIR}")
# The contrib/grpc/CMakeLists.txt redefined the PROTOBUF_GENERATE_GRPC_CPP() function for its own purposes,
# so we need to redefine it back.
include("${ClickHouse_SOURCE_DIR}/contrib/grpc-cmake/protobuf_generate_grpc.cmake")