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Questions tagged [lnk2019]

LNK2019 is a common MSVC linker error indicating that the linker was unable to find a required external symbol in any compilation unit. Check the SO post on common errors and their resolution.

LNK2019 is a common MSVC linker error indicating that the linker was unable to find a required external symbol in any compilation unit. A possible and common cause of the error is a symbol that is declared but never defined.

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Error LNK2019 and dont know what is happening

I have this class: #ifndef String_H #define String_H class String { public: String(); String(const char*, ...); String(const String&); ~String(); const String& operator= (const char*); …
CapitanLiteral
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error LNK2019: unresolved external symbol "public: __thiscall : constructor issue

I want to test the following lines but I get a LNK2019 error, pointing an error in my constructor. If the constructor implementation is moved from the source file to the header, it works... dVector is a typedef of std::vector error LNK2019:…
Klibration
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Add Reference Projects Blank Visual Studio 2013

I'm using an SDK that I downloaded to develop an app in MSVS 2013. When I try to build my project I get error LNK2019: unresolved external symbol _SecuAPI_Init@4 referenced in function _main D:\Documents\Visual Studio…
user4342836
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Getting LNK 2019 errors in VS 2013 in directX 11 using C++

Upon compilation of my program I am getting the following errors: Error 59 error LNK2019: unresolved external symbol _D3DXMatrixTranspose@8 referenced in function "private: bool __thiscall ColorShaderClass::SetShaderParameters(struct…
JustinWeq
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Error using mex (line 206) Unable to complete successfully

I am trying to compile cpp files from this link, but I am receiving the following errors: >> mex OpticalFlow.cpp LINK : error LNK2001: unresolved external symbol mexFunction C:\Users\pc\AppData\Local\Temp\mex_Fe1hah\templib.x : fatal error…
Sam
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LNK 2028 unresolved token & LNK 2019 unresolved extern symbol

I'm working with VS 2013, using UI forms. In MyForm.h there is a code class A { public: A(); ~A(); private: }; void b() { A var; } I get those errors: Error 2 error LNK2028: unresolved token (0A00000A) "public: __thiscall…
Entrack
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LNK2019 error upon loading .obj file for OpenGL project

I want to model my room in OpenGL and when I created my first object and followed some tutorials what and how to do, upon loading the object in my Visual Studio 2013 Professional application I get the following errors: Warning 1 warning LNK4075:…
kemenesendre
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Starting with ViSP video grabber demo, when compile, multiple error LNK2001 and 2019 presented

I'm learning ViSP Tool from INRIA, my configuration is VS2010 + Visp 2.10 + OpenCV 2.4.8. Firstly I use C-Make generate sln , by compiling the sln, I got vispd.lib and visp/include/xxx.h; I also set include path , lib path and lib dependencies;…
Xuyue Yin
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error LNK2019: unresolved external and LNK1120: 1 unresolved externals

When compiling my code I receive this error. 1>MSVCRTD.lib(crtexe.obj) : error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup 1>C:\Users\Gabe Phelan\Documents\Visual Studio 2013\Projects\PA3 test\Debug\PA3…
surferfan
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LNK2019 error in simple class, cannot see why

I have the following class which will not compile for the unresolved symbol issue LNK2019. I have seen another thread which appears to be a similar issue, but I cannot see why mine is not linking because it is much simpler and seems to be a…
icantmakethisup
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error LNK2019:unresolved external symbol ::FindWindow() function

I have function findId(const QString& name) that throws me an error during coompilation: error LNK2019: unresolved external symbol __imp__FindWindowW@8 referenced in function "private: unsigned int__thiscall MainClass::findId(class QString const…
never_ever
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Unable to use a DirectX function?

I get the LNK2019 error when I try to use D3DX11CompileFromFile function in my C++ project. The error reads: Error 1 error LNK2019: unresolved external symbol _D3DX11CompileFromFileW@44 referenced in function "void __cdecl InitPipeline(void)"…
faubusvonchafer
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unresolved externals in old .net project

I have this old project I am assigned to look after now. It includes 2 dll-s and a an ocx written on .net 2003 C++ which communicate between each other and a bigger application. I need to make changes to them but when I try to build the ocx I get 8…
mertol
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Error LNK2019, LNK1120 when I try to build via VS2013

Here is the original code. #include LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam); int WINAPI Winmain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpszCmdLine, int nCmdShow) { HWND hwnd; MSG…
Emphy
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error LNK2019 and fatal error LNK1120

I encouneter a problem when compiling my projet. When I set this line: boost::shared_ptr mySwap; I have no problem but when I set this one: boost::shared_ptr mySwap(new OvernightVsLiborBasisSwap(OvernightVsLiborBasisSwap::PayerOvernight, …
Pierre
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