Top "Multiple-definition-error" questions

Refers to a compiler error for multiple declarations of a variable, function, or class in the same program or project.

"Multiple definition", "first defined here" errors

I have 3 projects: Server, Client and Commons. Making header & source pairs in Commons doesn't cause any problems and I …

c eclipse include definition multiple-definition-error
Multiple definition of main()

Hi guys trying to use two main() and getting this error multiple definition of main(). I renamed my main functions …

c main multiple-definition-error
multiple definitions error in c++ and solution to solve this issue

I am new to C++. I have some doubts regarding multiple definitions error in C++. Let's say I have 3 files …

c++ compiler-errors linkage multiple-definition-error
Multiple definition of first defined here gcc

I have these files consumer.cpp consumer.hpp defines.hpp main.cpp makefile producer.cpp producer.hpp here's the file …

c++ gcc linker include multiple-definition-error
Repeated Multiple Definition Errors from including same header in multiple cpps

So, no matter what I seem to do, I cannot seem to avoid having Dev C++ spew out numerous Multiple …

c++ dev-c++ multiple-definition-error multiple-inclusions
C++ Qt Multiple Definitions

I'm trying to create a simple GUI application (so far) in Qt with C++ using the MinGW compiler. However, the …

c++ qt multiple-definition-error
Multiple definition and header-only libraries

I have a C program with several c and h files. I decided to make one part of the program …

c include multiple-definition-error
multiple definition error c++

My 'Headers.h' file includes basic c++ Headers #include <iostream> #include <cstring> // and many header files. …

c++ header-files multiple-definition-error
C++: Multiple definition error for global functions in the header file

This function is global and is defined in the header file (temporarily I want to keep it there). The header …

c++ qt multiple-definition-error
C++ linking error with multiple definition on linux

I am trying to compile a code and it’s getting a linking error with multiple definitions. Unfortunately, I am …

c++ linker multiple-definition-error