mirror of
https://github.com/klzgrad/naiveproxy.git
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113 lines
3.7 KiB
CMake
113 lines
3.7 KiB
CMake
# User options
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include("${CMAKE_CURRENT_LIST_DIR}/protobuf-options.cmake")
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# Depend packages
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@_protobuf_FIND_ZLIB@
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# Imported targets
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include("${CMAKE_CURRENT_LIST_DIR}/protobuf-targets.cmake")
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function(protobuf_generate)
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include(CMakeParseArguments)
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set(_singleargs LANGUAGE OUT_VAR)
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if(COMMAND target_sources)
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list(APPEND _singleargs TARGET)
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endif()
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cmake_parse_arguments(protobuf_generate "APPEND_PATH" "${_singleargs}" "PROTOS IMPORT_DIRS GENERATE_EXTENSIONS" "${ARGN}")
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if(protobuf_generate_PROTOS AND NOT protobuf_generate_TARGET)
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message(SEND_ERROR "Error: protobuf_generate called without any targets or source files")
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return()
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endif()
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if(NOT protobuf_generate_OUT_VAR AND NOT protobuf_generate_TARGET)
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message(SEND_ERROR "Error: protobuf_generate called without a target or output variable")
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return()
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endif()
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if(NOT protobuf_generate_LANGUAGE)
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set(protobuf_generate_LANGUAGE cpp)
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endif()
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string(TOLOWER ${protobuf_generate_LANGUAGE} protobuf_generate_LANGUAGE)
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if(NOT protobuf_GENERATE_EXTENSIONS)
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if(protobuf_generate_LANGUAGE STREQUAL cpp)
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set(protobuf_GENERATE_EXTENSIONS .pb.h .pb.cc)
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elseif(protobuf_generate_LANGUAGE STREQUAL python)
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set(protobuf_GENERATE_EXTENSIONS _pb2.py)
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else()
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message(SEND_ERROR "Error: protobuf_generate given unknown Language ${LANGUAGE}, please provide a value for GENERATE_EXTENSIONS")
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return()
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endif()
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endif()
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if(protobuf_generate_APPEND_PATH)
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# Create an include path for each file specified
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foreach(_file ${ARGN})
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get_filename_component(_abs_file ${_file} ABSOLUTE)
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get_filename_component(_abs_path ${_abs_file} 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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foreach(DIR ${protobuf_generate_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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if(protobuf_generate_TARGET)
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get_target_property(_source_list ${protobuf_generate_TARGET} SOURCES)
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foreach(_file ${_source_list})
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if(_file MATCHES "proto$")
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list(APPEND protobuf_generate_PROTOS ${_file})
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endif()
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endforeach()
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endif()
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if(NOT protobuf_generate_PROTOS)
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message(SEND_ERROR "Error: protobuf_generate could not find any .proto files")
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return()
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endif()
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set(_generated_srcs)
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foreach(_proto ${protobuf_generate_PROTOS})
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get_filename_component(_abs_file ${_proto} ABSOLUTE)
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get_filename_component(_basename ${_proto} NAME_WE)
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foreach(_ext ${_output_extensions})
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list(APPEND _generated_srcs "${CMAKE_CURRENT_BINARY_DIR}/${_basename}${_ext}")
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endforeach()
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add_custom_command(
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OUTPUT ${_generated_srcs}
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COMMAND protobuf::protoc
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ARGS --${protobuf_generate_LANGUAGE}_out ${CMAKE_CURRENT_BINARY_DIR} ${_protobuf_include_path} ${_abs_file}
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DEPENDS ${ABS_FIL} protobuf::protoc
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COMMENT "Running ${protobuf_generate_LANGUAGE} protocol buffer compiler on ${_proto}"
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VERBATIM )
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endforeach()
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set_source_files_properties(${_generated_srcs} PROPERTIES GENERATED TRUE)
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if(protobuf_generate_OUT_VAR)
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set(${protobuf_generate_OUT_VAR} ${_generated_srcs} PARENT_SCOPE)
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endif()
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if(protobuf_generate_TARGET)
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target_sources(${protobuf_generate_TARGET} PUBLIC ${_generated_srcs})
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endif()
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endfunction()
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# CMake FindProtobuf module compatible file
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if(protobuf_MODULE_COMPATIBLE)
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include("${CMAKE_CURRENT_LIST_DIR}/protobuf-module.cmake")
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endif()
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