1509e8e3b3
This reverts commit 93f6b67eb2.
Protoc adds already the relative path to the output directory.
Therefore, we have to remove this again from the output directory
to prevent adding it twice.
128 lines
4.5 KiB
CMake
128 lines
4.5 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(_options APPEND_PATH)
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set(_singleargs LANGUAGE OUT_VAR EXPORT_MACRO PROTOC_OUT_DIR)
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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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set(_multiargs PROTOS IMPORT_DIRS GENERATE_EXTENSIONS)
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cmake_parse_arguments(protobuf_generate "${_options}" "${_singleargs}" "${_multiargs}" "${ARGN}")
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if(NOT 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_PROTOC_OUT_DIR)
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set(protobuf_generate_PROTOC_OUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
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endif()
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if(protobuf_generate_EXPORT_MACRO AND protobuf_generate_LANGUAGE STREQUAL cpp)
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set(_dll_export_decl "dllexport_decl=${protobuf_generate_EXPORT_MACRO}:")
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endif()
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if(NOT protobuf_generate_GENERATE_EXTENSIONS)
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if(protobuf_generate_LANGUAGE STREQUAL cpp)
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set(protobuf_generate_GENERATE_EXTENSIONS .pb.h .pb.cc)
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elseif(protobuf_generate_LANGUAGE STREQUAL python)
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set(protobuf_generate_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_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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if(protobuf_generate_APPEND_PATH)
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# Create an include path for each file specified
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foreach(_file ${protobuf_generate_PROTOS})
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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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set(_generated_srcs_all)
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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(_abs_dir ${_abs_file} DIRECTORY)
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get_filename_component(_basename ${_proto} NAME_WE)
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file(RELATIVE_PATH _rel_dir ${CMAKE_CURRENT_SOURCE_DIR} ${_abs_dir})
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set(_generated_srcs)
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foreach(_ext ${protobuf_generate_GENERATE_EXTENSIONS})
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list(APPEND _generated_srcs "${protobuf_generate_PROTOC_OUT_DIR}/${_rel_dir}/${_basename}${_ext}")
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endforeach()
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list(APPEND _generated_srcs_all ${_generated_srcs})
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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 ${_dll_export_decl}${protobuf_generate_PROTOC_OUT_DIR} ${_protobuf_include_path} ${_abs_file}
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DEPENDS ${_abs_file} 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_all} PROPERTIES GENERATED TRUE)
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if(protobuf_generate_OUT_VAR)
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set(${protobuf_generate_OUT_VAR} ${_generated_srcs_all} PARENT_SCOPE)
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endif()
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if(protobuf_generate_TARGET)
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target_sources(${protobuf_generate_TARGET} PRIVATE ${_generated_srcs_all})
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endif()
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endfunction()
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# CMake FindProtobuf module compatible file
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if(protobuf_MODULE_COMPATIBLE)
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include("${CMAKE_CURRENT_LIST_DIR}/protobuf-module.cmake")
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endif()
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