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Asked: 2026-05-14T05:29:04+00:00

I have a question which may be somewhat silly because I’m pretty sure I

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I have a question which may be somewhat silly because I’m pretty sure I may know the answer already.

Suppose you have static library A, and dynamic shared object library B and your program C under linux. Suppose that library A calls functions from library B and your program calls functions from library A. Now suppose that all functions that C calls in A make no use of functions in B.

To compile C will it be enough to link just A and omit B and furthermore can your program C be run on a system without library B installed?

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1 Answer

  1. Editorial Team

    If your program calls functions in A that don’t reference B then B is not required either at link or load time, assuming that the functions in A are in separate compilation units, which is usually the case for a library.

    The linker will pull the functions from the library that C uses and since none of them call functions in B, B will not be needed.

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