How can I avoid the LNK2005 linker error for variables defined in a header file?

Question

I have 3 cpp files that look like this

#include \"Variables.h\"
void AppMain() {
    //Stuff...
}

They all use the same variables inside th

Answer 1

I know that this is an old thread, but I came across this as one of the first search results from Google. I solved the problem by placing the variable static.

namespace Vert
{
   static int i;
}

I tried extern and in my situation that didn't seem to solve the problem.