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I want to get the Inference Engine API run with a gdb Remote Linux Project in Visual Studio. I m using Ubuntu 16.04 wantet to test with the "classification_sample". I get the error
"undefined reference to `tbb::interface7::internal::task_arena_base::internal_max_concurrency(tbb::interface7::task_arena const*)' Benchmark C:\opt\intel\openvino_2019.1.094\deployment_tools\inference_engine\lib\intel64\libinference_engine.so"
Im linking these librarys:
dl
dliaPlugin
HeteroPlugin
dla_compiler_core
mkl_tiny_tbb
gna_api
gna_kernel
inference_engine
cpu_extension
gflags_nothreads
format_reader
Am I missing something? It doesnt matter if I also link tbb. I attached the Visual Studio Project if this helps.
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Dear schuricht, falk,
I assume you are using the non-open source version of OpenVino. The Open Source version is here https://github.com/opencv/dldt .
In any case, it looks like you are missing linking to the following files (do something like a grep *tbb* in your OpenVino directory)
Directory of C:\Program Files (x86)\IntelSWTools\openvino_2019.2.242\inference_engine\lib\intel64\Release
07/22/2019 02:47 PM 100,718 tbb.lib
07/22/2019 02:47 PM 9,268 tbbmalloc.lib
Directory of C:\Program Files (x86)\IntelSWTools\openvino_2019.2.242\inference_engine\bin\intel64\Release
07/22/2019 02:47 PM 17,119,616 mkl_tiny_tbb.dll
07/22/2019 02:47 PM 15,929 tbb.def
07/22/2019 02:47 PM 432,000 tbb.dll
07/22/2019 02:47 PM 1,596 tbbmalloc.def
07/22/2019 02:47 PM 257,920 tbbmalloc.dll
Hope it helps,
Thanks,
Shubha
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Dear Shubha,
I tried with the openvino Version on https://github.com/opencv/dldt. I also linked the libraries you described. But I unfortunately still get unresolved references.
Here is the console output:
Building target: Benchmark
Invoking: GCC C++ Linker
gcc -L/home/administrator/Downloads/InferenceEngineGit/dldt/inference-engine/bin/intel64/Release/lib -L/opt/intel/openvino_2019.1.144/deployment_tools/inference_engine/external/mkltiny_lnx/lib/ -o "Benchmark" ./src/MAIN.o -ltbb -ltbbmalloc -linference_engine
/usr/bin/ld: ./src/MAIN.o: undefined reference to symbol '_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc@@GLIBCXX_3.4.21'
//usr/lib/x86_64-linux-gnu/libstdc++.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
makefile:48: recipe for target 'Benchmark' failed
make: *** [Benchmark] Error 1
Can you please help me with this?
Best regards
Falk Schuricht
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Dear Falk Schuricht,
Please read the detailed instructions on how to build a standalone project I wrote to This DLDT github poster .
Please note this part:
OpenVino does officially support CMake integration. So if you would like to write your own application you simply need to create a CMake project and just call find_package(InferenceEngine) inside (similarly to how it's done for the samples). And in this case all the includes and libraries are available by InferenceEngine_INCLUDE and _LIBRARIES correspondingly. But even in this case the OpenVino application writer should configure InferenceEngine_DIR accordingly (pointing to the folder with InferenceEngineConfig.cmake).
Thanks and I hope it helps,
Shubha
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Hi,
I had this problem too, I solved the problem by running my IDE from the terminal. Turns out to be because of not loading the right environment variables for running openvino. Open a terminal, source the setupvars.sh from openvino, then run your IDE/ compile from that terminal. That worked for me.
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