Build Error on LNK2001

[WeiSeng]

Prerequisite:

- Window10 OS

- Install OpenVINO 2023.0

When we try to setting the openVINO path point to our working directory cause build error:

__declspec(dllimport)  class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char>>cdecl

ov::node_validation_failure_loc_string(class ov::Node const*)" (imp_? node_validation_failure_loc_string@@ov@@YA?AV$basic_string@DU?

$char_traits@D@std@@V$allocator@D@2@@std@@PEBVNODE@1@@Z)

I also attached the error message picture.

Please point me where to configure in order solve this issue?

[Iffa_Intel]

Hi,

could you share:

1. which hardware you are using (eg: laptop with i7 CPU + UHD GPU, Intel SGX, etc) ?
2. which OpenVINO guides are you following: Runtime on Windows or Build from source ?
3. which version of Visual Studio are you using?
4. Steps you've done up till point of error (with commands that you used if possible)

Cordially,

Iffa

[WeiSeng]

Thanks for supporting us, Iffa!

Here my reply:

1. which hardware you are using (eg: laptop with i7 CPU + UHD GPU, Intel SGX, etc) ?   [Using laptop with i7+UHD GPU, and Window10 OS]
   1. which OpenVINO guides are you following: Runtime on Windows?  [Yes, we're follow the guide to install is working fine. And we move our working directory to new working directory, because we need to integrate with our application. This directory setting: 'C:\solution'
2. which version of Visual Studio are you using? [visual studio 2019 (16.11.6)]
3. Steps you've done up till point of error (with commands that you used if possible)

My question is by default openVINO C++ working directory is this 'C:\Program Files (x86)\Intel\openvino_2023'

If we need to move this default directory to this 'C:\solution', what need to be taken care (like environment configuration setting) and what openVINO library folders need to move over in order to building successfully?

Thanks again!

[Iffa_Intel]

Generally,

there are two CMakelist.txt involved when compiling OpenVINO C++ in Windows Runtime(I created a new dir named test):

1. OVpath\samples\cpp\CMakeLists.txt
2. OVpath\samples\cpp\object_detection_sample_ssd\CMakeLists.txt

I'll leave CMAkeList file at number 1 as it is and edit number 2.

Then, I built it

The binary is generated without error.

Cordially,

Iffa

[WeiSeng]

Hi Iffa,

Thanks for information.

your working environment still in default : C:\Program Files (x86)\Intel\openvino_2023 ??

If our working environment is not in this openVINO default folder directory, mean we put into 'c:\solution', openVINO all the folder need move to our working directory?

Or we install openVINO on default directory (mean this C:\Program Files (x86)\Intel\openvino_2023), and just update CMakeList.txt?

Thanks for support!

Or I can setup a call with you? can you provide me your Intel email?

Regards,
WS Yeap 

[Iffa_Intel]

Same concept applies if you change your dir.

Required files/folder: common, thirdparty, build_samples_msvc.bat,CMakeLists.txt

I created test2 folder with the same content as I've shown before with its CMakelist

Init setupvars beforehand & compile:

Success Compilation:

Binary produced:

Cordially,

Iffa

[WeiSeng]

Thanks Iffa,

We managed to solve the linking issue.

Now when we load the dll seem is fail.

I attached the picture for you, you can advise us?

Thanks!

[Iffa_Intel]

To answer that, I need more information:

1. what is your use case? (eg: used inferencing code from OpenVINO sample with YOLO model)
2. did you make changes to the original OpenVINO setup (files/codes/etc other than the one I showed previously)

Please note that it is best to use the original OpenVINO setup files as it is instead of creating custom ones.

Cordially,

Iffa

[WeiSeng]

Hi Iffa,

1. what is your use case? (eg: used inferencing code from OpenVINO sample with YOLO model) The use-cases is for object detection and using YOLO model.
2. did you make changes to the original OpenVINO setup (files/codes/etc other than the one I showed previously) We updated the CMakeList file, is there any file need to setting to solve the dll loading fail?

Thanks!

[Iffa_Intel]

I hope you noticed that there are 2 CMakeList files.

Please use the original CMakeList without changes in the main folder, mine is in C:\Users\sjaismex\OV_test

The only changeable CMakeList is in your custom (newly created folder), mine is in C:\Users\sjaismex\OV_test\test2:

Run the setupvars.bat before doing any compilation/build or inferencing.

If you've done this properly as mentioned and your custom inferencing code has no problem, there shouldn't be issue with the setup files/linker.

Cordially,

Iffa

[WeiSeng]

Thanks Iffa,

One question on the *.dll loading fail still happen.

This is the Cmake file that original:

And the directory that we change the Cmake file:

1. Build is success

2. When run DEBUG, the DLL load fail like below :

Failed(code:126) to load C:\app\10_siav2_git\18_siav2_edge\bin\x64\Release\jobmodules\Jobmodule_detector_yolo_openvino.dll

Any suggestions?

Thanks!

[Iffa_Intel]

Edit your build_samples_msvc.bat.

Change

echo "!MSBUILD_BIN!" Samples.sln /p:Configuration=Release
"!MSBUILD_BIN!" Samples.sln /p:Configuration=Release

To

echo "!MSBUILD_BIN!" Samples.sln /p:Configuration=Debug
"!MSBUILD_BIN!" Samples.sln /p:Configuration=Debug

Then build again as previously done.

You should have Debug folder with its binaries.

Run your dbg with the Debug binary and see whether the issue persist.

Note: don't forget to run setupvars.bat beforehand

Cordially,

Iffa

[WeiSeng]

Thanks Iffa,

Are we have the guide (in DOC/PDF) on how to configure new project for openVINO for C++ on Windows OS?

Thanks!

[Iffa_Intel]

These might help:

1. Build Plugin Using CMake

2. Build Extension Library Using CMake

Cordially,

Iffa

[Iffa_Intel]

Hi,

Intel will no longer monitor this thread since we have provided a solution. If you need any additional information from Intel, please submit a new question.

Cordially,

Iffa