I am not sure how applicable it is to an introductory text, but I would be interested in learning more about the internals of compilation and linking. What is t

I am not sure how applicable it is to an introductory text, but I would be interested in learning more about the internals of compilation and linking. What is the minimal necessary amount of work that needs to be done to interact with existing C libraries (header files, ELF format, and how that all fits together).