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Open Source Computer Vision Library
https://opencv.org/
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33 lines
1.3 KiB
33 lines
1.3 KiB
# By default, we use protobuf sources from 3rdparty subdirectory and pre-generated .proto files |
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# Note: In case of .proto model updates these variables should be used: |
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# - Protobuf_PROTOC_EXECUTABLE (required) |
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# - Protobuf_INCLUDE_DIRS |
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# - Protobuf_LIBRARIES or Protobuf_LIBRARY / Protobuf_LIBRARY_DEBUG for find_package() |
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OCV_OPTION(BUILD_PROTOBUF "Force to build libprotobuf from sources" ON) |
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OCV_OPTION(PROTOBUF_UPDATE_FILES "Force to rebuild .proto files" OFF) |
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if(PROTOBUF_UPDATE_FILES) |
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if(NOT DEFINED Protobuf_PROTOC_EXECUTABLE) |
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find_package(Protobuf QUIET) |
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endif() |
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if(DEFINED Protobuf_PROTOC_EXECUTABLE AND EXISTS ${Protobuf_PROTOC_EXECUTABLE}) |
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message(STATUS "The protocol buffer compiler is found (${Protobuf_PROTOC_EXECUTABLE})") |
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else() |
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message(FATAL_ERROR "The protocol buffer compiler is not found (Protobuf_PROTOC_EXECUTABLE='${Protobuf_PROTOC_EXECUTABLE}')") |
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endif() |
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endif() |
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if(NOT BUILD_PROTOBUF AND NOT (DEFINED Protobuf_INCLUDE_DIRS AND DEFINED Protobuf_LIBRARIES)) |
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find_package(Protobuf QUIET) |
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endif() |
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if(Protobuf_FOUND) |
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# nothing |
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else() |
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set(Protobuf_LIBRARIES libprotobuf) |
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set(Protobuf_INCLUDE_DIRS "${OpenCV_SOURCE_DIR}/3rdparty/protobuf/src") |
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if(NOT TARGET ${Protobuf_LIBRARIES}) |
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add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/protobuf" "${OpenCV_BINARY_DIR}/3rdparty/protobuf") |
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endif() |
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set(Protobuf_FOUND 1) |
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endif()
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