mirror of
https://github.com/ClickHouse/ClickHouse.git
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173 lines
6.4 KiB
CMake
173 lines
6.4 KiB
CMake
# This file declares functions adding custom commands for generating C++ files from *.proto files:
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# function (protobuf_generate_cpp SRCS HDRS)
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# function (protobuf_generate_grpc_cpp SRCS HDRS)
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if (NOT USE_PROTOBUF)
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message (WARNING "Could not use protobuf_generate_cpp() without the protobuf library")
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return()
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endif()
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if (NOT DEFINED PROTOBUF_PROTOC_EXECUTABLE)
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set (PROTOBUF_PROTOC_EXECUTABLE "$<TARGET_FILE:protoc>")
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endif()
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if (NOT DEFINED GRPC_CPP_PLUGIN_EXECUTABLE)
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set (GRPC_CPP_PLUGIN_EXECUTABLE $<TARGET_FILE:grpc_cpp_plugin>)
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endif()
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if (NOT DEFINED PROTOBUF_GENERATE_CPP_APPEND_PATH)
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set (PROTOBUF_GENERATE_CPP_APPEND_PATH TRUE)
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endif()
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function(protobuf_generate_cpp_impl SRCS HDRS MODES OUTPUT_FILE_EXTS PLUGIN)
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if(NOT ARGN)
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message(SEND_ERROR "Error: protobuf_generate_cpp() called without any proto files")
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return()
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endif()
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if(PROTOBUF_GENERATE_CPP_APPEND_PATH)
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# Create an include path for each file specified
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foreach(FIL ${ARGN})
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get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
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get_filename_component(ABS_PATH ${ABS_FIL} PATH)
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list(FIND protobuf_include_path ${ABS_PATH} _contains_already)
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if(${_contains_already} EQUAL -1)
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list(APPEND protobuf_include_path -I ${ABS_PATH})
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endif()
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endforeach()
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else()
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set(protobuf_include_path -I ${CMAKE_CURRENT_SOURCE_DIR})
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endif()
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if(DEFINED PROTOBUF_IMPORT_DIRS AND NOT DEFINED Protobuf_IMPORT_DIRS)
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set(Protobuf_IMPORT_DIRS "${PROTOBUF_IMPORT_DIRS}")
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endif()
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if(DEFINED Protobuf_IMPORT_DIRS)
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foreach(DIR ${Protobuf_IMPORT_DIRS})
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get_filename_component(ABS_PATH ${DIR} ABSOLUTE)
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list(FIND protobuf_include_path ${ABS_PATH} _contains_already)
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if(${_contains_already} EQUAL -1)
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list(APPEND protobuf_include_path -I ${ABS_PATH})
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endif()
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endforeach()
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endif()
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set (intermediate_dir ${CMAKE_CURRENT_BINARY_DIR}/intermediate)
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file (MAKE_DIRECTORY ${intermediate_dir})
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set (protoc_args)
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foreach (mode ${MODES})
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list (APPEND protoc_args "--${mode}_out" ${intermediate_dir})
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endforeach()
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if (PLUGIN)
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list (APPEND protoc_args "--plugin=${PLUGIN}")
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endif()
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set(srcs)
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set(hdrs)
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set(all_intermediate_outputs)
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foreach(input_name ${ARGN})
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get_filename_component(abs_name ${input_name} ABSOLUTE)
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get_filename_component(name ${input_name} NAME_WE)
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set (intermediate_outputs)
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foreach (ext ${OUTPUT_FILE_EXTS})
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set (filename "${name}${ext}")
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set (output "${CMAKE_CURRENT_BINARY_DIR}/${filename}")
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set (intermediate_output "${intermediate_dir}/${filename}")
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list (APPEND intermediate_outputs "${intermediate_output}")
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list (APPEND all_intermediate_outputs "${intermediate_output}")
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if (${ext} MATCHES ".*\\.h")
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list(APPEND hdrs "${output}")
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else()
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list(APPEND srcs "${output}")
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endif()
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add_custom_command(
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OUTPUT ${output}
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COMMAND ${CMAKE_COMMAND} -DPROTOBUF_GENERATE_CPP_SCRIPT_MODE=1 -DUSE_PROTOBUF=1 -DDIR=${CMAKE_CURRENT_BINARY_DIR} -DFILENAME=${filename} -DCOMPILER_ID=${CMAKE_CXX_COMPILER_ID} -P ${ClickHouse_SOURCE_DIR}/cmake/protobuf_generate_cpp.cmake
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DEPENDS ${intermediate_output})
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endforeach()
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add_custom_command(
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OUTPUT ${intermediate_outputs}
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COMMAND ${Protobuf_PROTOC_EXECUTABLE}
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ARGS ${protobuf_include_path} ${protoc_args} ${abs_name}
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DEPENDS ${abs_name} ${Protobuf_PROTOC_EXECUTABLE} ${PLUGIN}
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COMMENT "Running C++ protocol buffer compiler on ${name}"
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VERBATIM )
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endforeach()
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set_source_files_properties(${srcs} ${hdrs} ${all_intermediate_outputs} PROPERTIES GENERATED TRUE)
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set(${SRCS} ${srcs} PARENT_SCOPE)
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set(${HDRS} ${hdrs} PARENT_SCOPE)
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endfunction()
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if (PROTOBUF_GENERATE_CPP_SCRIPT_MODE)
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set (output "${DIR}/${FILENAME}")
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set (intermediate_dir ${DIR}/intermediate)
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set (intermediate_output "${intermediate_dir}/${FILENAME}")
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if (COMPILER_ID MATCHES "Clang")
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set (pragma_push "#pragma clang diagnostic push\n")
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set (pragma_pop "#pragma clang diagnostic pop\n")
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set (pragma_disable_warnings "#pragma clang diagnostic ignored \"-Weverything\"\n")
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elseif (COMPILER_ID MATCHES "GNU")
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set (pragma_push "#pragma GCC diagnostic push\n")
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set (pragma_pop "#pragma GCC diagnostic pop\n")
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set (pragma_disable_warnings "#pragma GCC diagnostic ignored \"-Wall\"\n"
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"#pragma GCC diagnostic ignored \"-Wextra\"\n"
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"#pragma GCC diagnostic ignored \"-Warray-bounds\"\n"
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"#pragma GCC diagnostic ignored \"-Wold-style-cast\"\n"
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"#pragma GCC diagnostic ignored \"-Wshadow\"\n"
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"#pragma GCC diagnostic ignored \"-Wsuggest-override\"\n"
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"#pragma GCC diagnostic ignored \"-Wcast-qual\"\n"
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"#pragma GCC diagnostic ignored \"-Wunused-parameter\"\n")
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endif()
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if (${FILENAME} MATCHES ".*\\.h")
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file(WRITE "${output}"
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"#pragma once\n"
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${pragma_push}
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${pragma_disable_warnings}
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"#include \"${intermediate_output}\"\n"
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${pragma_pop}
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)
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else()
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file(WRITE "${output}"
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${pragma_disable_warnings}
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"#include \"${intermediate_output}\"\n"
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)
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endif()
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return()
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endif()
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function(protobuf_generate_cpp SRCS HDRS)
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set (modes cpp)
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set (output_file_exts ".pb.cc" ".pb.h")
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set (plugin)
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protobuf_generate_cpp_impl(srcs hdrs "${modes}" "${output_file_exts}" "${plugin}" ${ARGN})
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set(${SRCS} ${srcs} PARENT_SCOPE)
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set(${HDRS} ${hdrs} PARENT_SCOPE)
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endfunction()
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function(protobuf_generate_grpc_cpp SRCS HDRS)
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set (modes cpp grpc)
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set (output_file_exts ".pb.cc" ".pb.h" ".grpc.pb.cc" ".grpc.pb.h")
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set (plugin "protoc-gen-grpc=${GRPC_CPP_PLUGIN_EXECUTABLE}")
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protobuf_generate_cpp_impl(srcs hdrs "${modes}" "${output_file_exts}" "${plugin}" ${ARGN})
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set(${SRCS} ${srcs} PARENT_SCOPE)
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set(${HDRS} ${hdrs} PARENT_SCOPE)
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endfunction()
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