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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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Compilation error LNK2019 in Qt with OpenSSL (Windows)

I´m trying to compile a very simple proyect in Qt with OpenSSL, but it always show me a linker error, however works fine when I compile in Visual C++ 2010. Code: #include int main(int argc, char *argv[]){ unsigned char in[] =…
user2503991
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variable is undefined, yet clearly defined in my constructor C++

I have a C++ assignment that requires me to create a class called Tips, that: has a single member variable, float taxRate has two constructors, a default that sets taxRate to .65, and a one parameter constructor, that sets taxRate to whatever float…
user3042535
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Link error when using clCreateEventFromGLsyncKHR extension function

I recently began incorporating OpenCL into my OpenGL application that renders a basic particle system, the basic interoperation–without events–between the two works fine. However, having tried to use the clCreateEventFromGLsyncKHR function in order…
user1087765
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I keep getting error LNK2019, can't seem to figure out how to fix it

I'm working on a project for my programming class and when I try to compile it I keep getting a build error LNK2019. I've tried consulting another CPS major and he isn't quite sure why I keep getting the error. // File: Asgn7_Skel.cpp // CPS…
SteelCityFan
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LNK2019 unresolved symbol compiling LuaJava with Visual Studio 2012

I am working with visual studio 2012 to compile LuaJava. The problem I am having is when I call the linker. The line that calls the linker in the makefile is: link /dll /LIBPATH:"C:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\Lib\x64" …
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keybd_event on Qt won't work

I'm trying to create some sort of a "virtual controler" on Qt, by sending "keyboard presses" from my apliccation to outside of it (to the system). I tried to use keybd_event, but I'm having problems. Even this simple code won't work: #include…
user2491404
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Ms Visual Studio 2012, "unresolved external symbol"

I am trying to compile a C++ application through Microsoft Visual Studio 2012. I have linked the Boost, Jni, Acml libraries to the application. When I click on rebuild, the compilation does not finish. This is the first error I get: Error 28 error…
DavideChicco.it
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LNK2001 error opengl visual studio 2010

I am using Visual Studio 2010. And I have got this error message: Error 9 error LNK2001: unresolved external symbol __imp____glewUseProgram C:\Users\LENOVO\Desktop\Tugas\Smst5\Komgraf\lab\lab22\lab22\InitShader.obj lab22 Error 10 error…
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MSVC: inspecting static libraries (fixing unresolved external symbols)

I wanted to ask what tools and techniques you use to fix linker errors in MSVC. My problem is, that I link an executable against a self built static lib and I get a lot of unresolved external symbols (LNK2019). I've tried building my libs with…
Norbert
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Getting error LNK2019 when compiling with VS2012 compiler

I have a C source file to build 32 and 64 bit binaries and it builds fine with Visual Studio 2005. When I try to build the same with VS2012 on Windows 2008 Server I get the below Link error. While the 32 bit builds fine, the 64 bit is fails. I do…
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C++ LNK2019 Error, for V-ray programming

1>plugman_s.lib(plugman.obj) : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __cdecl std::basic_string,class std::allocator >::basic_string,class…
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Why is my cpp file not in the ClCompile index, causing LNK2019 and LNK2001 errors?

I was receiving LNK2019 and LNK2001 errors in VS 2010 but not with g++. I searched around looking for reasons but everything talked about making sure the right headers were included, the functions properly defined, etc. After going to the project…
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QList as a function parameter - Linking Error - LNK2019

I have an issue with QList as a function parameter and I'll be glad if you can assist me. I have this code for example: void SpinBoxList_Enable(QList *spinBoxList) { foreach(QWidget* mWidget,*spinBoxList) …
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Imagemagick LNK2019 Error While Building

I am trying to build a project that uses Imagemagick library. I have done the following: Added Libraries in VC++ Directories in Tools -> Options Added "C:\ImageMagick-6.8.6-Q16\include\Magick++";"C:\ImageMagick-6.8.6-Q16" in Project Properties ->…
user2469986
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linker error 2019 in visual studio 10

I was trying to compile a vc++ project on pclsceleton tracking but got the following errors inspite of the fact that i have already included header files for them the code for which the error gives is- // Callback: New user was detected void…
ampli
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