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Compiler version in C++ vs pre-compiled C libraries

I have a code that uses std=c++20.

I want to use a C library that was build with old gcc version.

Should I recompile the C library using the same compiler ?

If no, how could you judge that the 2 ABIs are compatible?



There should be no problem using the library as it is. Don’t forget to add extern "C" around the function prototypes.

More info: Using C Libraries for C++ Programs

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