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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template function linker error LNK2019

I get a link error in following situation, don't find where the defect is: qutil.h template bool isPrime( T number ); qutil.cpp #include "qutil.h" template bool isPrime( T number ) { // 0 and 1 are not prime // even…
Alain Weiler
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Upgrade C++ VS 2005 Project to VS 2010 Causes LNK2019 error

I'm attempting to upgrade a project written in C++ in VS 2005 to VS 2010. After I run the upgrade wizard, I try and build the project and I get a bunch of LNK2019 errors. For further clarification, this projects builds a DLL which is used by our…
kevin
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VS2010 - Linker error with adding static library

I wanted to create a static library to use in my project like Boost library for example. So I created a Win32 console application project and I chose static library and I compiled it. Then, in my project I added the directory containing .h file in…
moth
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Trying to implement a template for a stack in c++ (and failing miserably)

i started studying informatics about half a year ago and we are learning c++ as a programming language, so im really new to coding. tried implementing a template for a stack today, however visual-studio keeps telling me "lnk2019: unresolved external…
pR1sm
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LNK1120 : 3external links not found

i'm trying to incorporate a derived class from WDL_VWnd. (For those that don't know, WDL is a bit like JUCE it allows to developp easily audio plugins) so inside WDL there is a library that allows the creation of Windows windows i'm trying to just…
IonOne
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LINK error 2019 and 1120 in decision search tree

I keep getting this compiler error. I tried changing the class node to a struct but that didn't seem to help. I am aware that my btree class right now is all public I didn't create a getroot function yet to access the btree's private data…
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Open Scene Graph LNK2019 Error

I'm working on a C++ assignment (C++98 & VS2010) using OSG and a pre-built template project to work on. I'm trying to implement mouse picking using the osgUtil/LineSegementIntersector and osgUtil/IntersectionVisitor classes. Unfortunately when I run…
LadyBernkastel
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C++ error LNK2019: unresolved external symbol "public: __thiscall

I am sure this has something to do with my templates. I am very rusty on that particular feature, but it could be something else, mostly due to not understanding what this error really means. I have 4 errors 1>universe.obj : error LNK2019:…
Aries7
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Linker error (LNK2019) on programming dll wrappers

I’m trying to use an external .dll for a camera in my c++ project. I use Visual Studio 2010. I have 3 files: The uEye.h file in /include of my project folder, which I included under Properties…C/C++…additional_include_directories and via #include…
Mudkip
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LNK2019 with Template

So, I'm having an issue with linking. The answer is probably dead-weight easy, but I guess I'm bonked. I define a class for calculating things that takes a stringstream. Relevant section of header file: #include using namespace…
Hydra-
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LNK2019 Error when compiling .cpp

First, this is hw and I'm supposed to change only one function. But I'm not here for help on that function, I'm here for an LNK error. Here's the relevant output on the Developer Command Prompt after I type in cl shortest.cpp (with spaces between…
user3478947
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LNK2019 error while using a library function from inside a class

I have a VS2013 project with a class in a separate file where I want to use the BeaEngine to disassemble a binary. I added all the necessary files (BeaEngine.h and BeaEngine.lib) to the project and set the linker to include the .lib. When I call the…
aeveris
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C++ LNK2019 when including header

I have a header file that states the declaration for each function: #ifndef TYPECONVERTER_H_INCLUDED #define TYPECONVERTER_H_INCLUDED #include #include #include #include using namespace std; unsigned int…
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LNK2019 error with static lib dependency

I have a link problem in one of my projects which contains one exe and several static libs in a Visual Sutdio 2013 project. The executable name is exec.library and rely on several static libs (intuition.library and graphics.libray to name a…
iliak
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What means error LNK2019 and how to resolve it in QT?

Maybe this error is invoking because of my wrong include statements... Error messages: mainwindow.obj:-1: error: LNK2019: unresolved external symbol "public: __thiscall MatrixGetter::MatrixGetter(void)" (??0MatrixGetter@@QAE@XZ) referenced in…
Boris Mitioglov
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