LNK2019 LNK2001 errors in visual studio 2017

Question

I am using Visual Studio 2017, and building in x64. I have 2 libraries linked to my solution file, flann, and opencv. I can build the release mode but in debug mode everything is messed up! The problem is with opencv library, and I have double checked the library directories, everything seems to be correct! What am I doing wrong then?!

Here is one of the errors I am getting:

LNK2001 unresolved external symbol "private: void __cdecl cv::String::deallocate(void)" (?deallocate@String@cv@@AEAAXXZ)

In Debug Mode, you link against `opencv_worldxxxd.lib` (pay attention to the d at the end)? — HansHirse, Mar 14 '19 at 06:18

score 0 · Answer 1 · answered Mar 14 '19 at 22:12

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Found the problem! under solution --> properties --> C/C++ --> Preprocessor --> Preprocessor Definition: I had WIN32 as one of the definition while building in X64! Removing that fixed my problem!

answered Mar 14 '19 at 22:12

Meghdad

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LNK2019 LNK2001 errors in visual studio 2017

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