能帮忙看一个编译问题吗？

[PGogo]

是protobuf的链接有问题吗？该怎么处理呢？谢谢！

root@44ee5adbd43e:/home/pangguoliang/projects/tensorRT_Pro/build# make yolo -j8
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CMakeFiles/pro.dir/src/tensorRT/onnx/onnx-ml.pb.cpp.o: In function InitDefaultsscc_info_AttributeProto_onnx_2dml_2eproto()': /home/pangguoliang/projects/tensorRT_Pro/src/tensorRT/onnx/onnx-ml.pb.cpp:132: undefined reference to google::protobuf::internal::VerifyVersion(int, int, char const*)'
CMakeFiles/pro.dir/src/tensorRT/onnx/onnx-ml.pb.cpp.o: In function `InitDefaultsscc_info_FunctionProto_onnx_2dml_2eproto()':

...

/home/pangguoliang/projects/tensorRT_Pro/src/tensorRT/onnx_parser/onnx2trt_utils.cpp:805: undefined reference to
CMakeFiles/pro.dir/src/tensorRT/onnx_parser/onnx2trt_utils.cpp.o: In function onnx2trt::poolingHelper(onnx2trt::IImporterContext*, onnx::NodeProto const&, std::vector<onnx2trt::TensorOrWeights, std::allocator<onnx2trt::TensorOrWeights> >&, nvinfer1::PoolingType)': /home/pangguoliang/projects/tensorRT_Pro/src/tensorRT/onnx_parser/onnx2trt_utils.cpp:1644: undefined reference to google::protobuf::RepeatedField::size() const'
CMakeFiles/pro.dir/src/tensorRT/onnx_parser/onnx2trt_utils.cpp.o: In function onnx2trt::setAttr(nvinfer1::Dims32*, onnx::AttributeProto const*, int, int)': /home/pangguoliang/projects/tensorRT_Pro/src/tensorRT/onnx_parser/onnx2trt_utils.cpp:1827: undefined reference to google::protobuf::RepeatedField::size() const'
collect2: error: ld returned 1 exit status
CMakeFiles/pro.dir/build.make:1515: recipe for target '../workspace/pro' failed
make[3]: *** [../workspace/pro] Error 1
CMakeFiles/Makefile2:424: recipe for target 'CMakeFiles/pro.dir/all' failed
make[2]: *** [CMakeFiles/pro.dir/all] Error 2
CMakeFiles/Makefile2:234: recipe for target 'CMakeFiles/yolo.dir/rule' failed
make[1]: *** [CMakeFiles/yolo.dir/rule] Error 2
Makefile:183: recipe for target 'yolo' failed
make: *** [yolo] Error 2

[shouxieai]

你是protobuf库没有配置好

[shouxieai]

请注意对应版本，3.11.4.

[shouxieai]

若你不是3.11.4，请参照readme上写的，不同protobuf版本适配应该怎么做

[cyrusbehr]

I'm going to add to the answer to just make it more clear for others.

Essentially, in the link_directories command, protobuf must be infront of TensorRT, as TensorRt has it's own protobuf files in that directory.

So this works:

link_directories(
${PROTOBUF_DIR}/lib
${TENSORRT_DIR}/lib
)

This will not work:

link_directories(
${TENSORRT_DIR}/lib
${PROTOBUF_DIR}/lib
)