I am a bit new to C++, and I've been dealing with a problem for a while, and I'm not even sure what the problem is. After some research I suspect that this can be an issue of of static initialisation order. Is it?
Here's a sample of how the code is looking like. Having these variables statically constructed is a huge advantage, due to some characteristics of the project.
//helper1.hpp
static Helper1PartA g__h1_partA{};
static Helper1PartB g_h1_partB{};
Helper1 g_helper1{&A, &B};
//helper2.hpp
static Helper2PartA g_h2_partA{};
static Helper2PartB g_h2_partB{};
Helper1 g_helper2{&A, &B};
//user.cpp
#include "helper1.hpp"
#include "helper2.hpp"
run()
{
g_helper1.doSomething();
g_helper2.doSomethingElse();
}
Even if I comment the calls to the helper objects, like below, the result is the same.
//helper1.hpp
static Helper1PartA g__h1_partA{};
static Helper1PartB g_h1_partB{};
Helper1 g_helper1{&A, &B};
//helper2.hpp
static Helper2PartA g_h2_partA{};
static Helper2PartB g_h2_partB{};
Helper1 g_helper2{&A, &B};
//user.cpp
#include "helper1.hpp"
#include "helper2.hpp"
run()
{
//g_helper1.doSomething();
//g_helper2.doSomethingElse();
}
The only way I've found for the error not to be thrown is to completely comment out the includes, like this:
//helper1.hpp
static Helper1PartA g__h1_partA{};
static Helper1PartB g_h1_partB{};
Helper1 g_helper1{&A, &B};
//helper2.hpp
static Helper2PartA g_h2_partA{};
static Helper2PartB g_h2_partB{};
Helper1 g_helper2{&A, &B};
//user.cpp
//#include "helper1.hpp"
//#include "helper2.hpp"
run()
{
//g_helper1.doSomething();
//g_helper2.doSomethingElse();
}
Is it possible to confirm that the issue is what I'm thinking it?
The compiler throws the following error:
The program contains no reference to _ctors.
The following C++ dynamic initialization routines will probably not get called:
<mangled_name_of_run> from main.cpp.o
main() (from main.c.o was probably not compiled as C++.
Unresolved symbols: 1
__pure_virtual_called from user.cpp.o
