CODEWITHSUNDEEP
c++visual-studio
qloq
qloq

Reputation: 1283

How to pass macro to git submodule

I have a project that includes a git submodule. A submodule file Class.h I want to use is the following:

#pragma once

class Class
{
public:
    int f() const
    {
#ifdef MY_MACRO
        return 11111;
#else
        return 88;
#endif
    }
};

And my calling code is:

#include "Class.h"

#include <iostream>

int main()
{
    Class c;
    std::cout << c.f() << '\n';

    return 0;
}

I added submodule to my project by git submodule add and adding a reference to project to this submodule in Visual Studio (2022). Now, the solution contains my project and the submodule. I cannot define macro in submodule project as it will affect other projects. So, how can I pass macro to submodule just for this single project?

Update: A little clarification: I know how to add a macro to my project - usually in VS I add it through project' settings - C/C++ -> Preprocessor -> Preprocessor definitions (with respect to configuration). For example, right now I have this field set to MY_MACRO;_DEBUG;_CONSOLE;%(PreprocessorDefinitions). However VS ignores these parameters when it compiles the submodule' project (and I think, it's reasonably). I need to pass this MY_MACRO to compiler when it builds the submodule's project without affecting submodule's repo. I don't want to create different configurations for submodule's project just for defining macrosses as if I have more macrosses I will need to create a lot of configurations - for each combination, I don't think it's a good idea.

Upvotes: 0

Views: 104

Answers (1)

qloq
qloq

Reputation: 1283

Thanks to user7860670 for providing link to this thread - Can I set a solution-wide macro from VS a project property sheet?. This problem indeed may be solved by properties sheets. Actually by using properties sheet in this way you can override any parameter of the sub-project.

Upvotes: 0

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