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56 lines
2.2 KiB
56 lines
2.2 KiB
if(NOT CMAKE_SCRIPT_MODE_FILE) |
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set(PROTOBUF_DIR ${CMAKE_CURRENT_LIST_DIR}/protobuf) |
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set(PROTOBUF_BUILD ${PROJECT_BINARY_DIR}/protobuf-build) |
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set(PROTOBUF_BINARY ${PROJECT_BINARY_DIR}/protobuf-binary) |
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set(PROTOBUF_SRC ${PROJECT_BINARY_DIR}/protobuf-src) |
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configure_file(${CMAKE_CURRENT_LIST_DIR}/protobuf-CMakeLists.cmake ${PROTOBUF_BUILD}/CMakeLists.txt) |
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if(NOT CMAKE_GENERATOR) |
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set(CMAKE_GENERATOR "Ninja") |
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endif() |
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execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" . |
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RESULT_VARIABLE result |
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WORKING_DIRECTORY ${PROTOBUF_BUILD} ) |
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if(result) |
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message(FATAL_ERROR "CMake step for protobuf failed: ${result}") |
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endif() |
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# execute_process(COMMAND ${CMAKE_COMMAND} --build . |
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# RESULT_VARIABLE result |
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# WORKING_DIRECTORY ${PROTOBUF_BUILD}) |
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# if(result) |
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# message(FATAL_ERROR "Build step for protobuf failed: ${result}") |
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# endif() |
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set(PROTOC ${PROTOBUF_BINARY}/protoc) |
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add_custom_command(OUTPUT ${PROTOC} |
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COMMENT "Building protoc binary" |
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COMMAND ${CMAKE_COMMAND} --build . |
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USES_TERMINAL |
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WORKING_DIRECTORY ${PROTOBUF_BUILD}) |
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endif() |
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# find_program(PROTOC protoc PATHS ${CMAKE_CURRENT_LIST_DIR}/protobuf/cmake/build/) |
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function(proto_generate_cpp PROTO_FILE PB_OUT HDR_VAR SRC_VAR) |
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get_filename_component(PROTO_FILE_NAME ${PROTO_FILE} NAME_WE) |
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get_filename_component(PROTO_FILE_PATH ${PROTO_FILE} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) |
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get_filename_component(PROTO_FILE_DIR ${PROTO_FILE_PATH} DIRECTORY) |
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set(PROTO_HDR "${PB_OUT}/${PROTO_FILE_NAME}.pb.h") |
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set(PROTO_SRC "${PB_OUT}/${PROTO_FILE_NAME}.pb.cc") |
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set(${HDR_VAR} ${${HDR_VAR}} ${PROTO_HDR} PARENT_SCOPE) |
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set(${SRC_VAR} ${${SRC_VAR}} ${PROTO_SRC} PARENT_SCOPE) |
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if(NOT CMAKE_SCRIPT_MODE_FILE) |
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add_custom_command(OUTPUT ${PROTO_HDR} ${PROTO_SRC} |
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COMMAND ${PROTOC} |
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--cpp_out=${PB_OUT} |
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--proto_path ${PROTO_FILE_DIR} |
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${PROTO_FILE_PATH} |
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DEPENDS ${PROTO_FILE_PATH} ${PROTOC} |
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COMMENT "Generating nanopb sources for ${PROTO_FILE}") |
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set_property(SOURCE ${PROTO_HDR} ${PROTO_SRC} PROPERTY GENERATED TRUE) |
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set_property(DIRECTORY . APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${PROTO_HDR} ${PROTO_SRC}) |
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endif() |
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endfunction()
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