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Editorial Team
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Asked: 2026-06-04T08:14:52+00:00

I am working on several iOS projects which will have a good bit of

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I am working on several iOS projects which will have a good bit of shared code, so I’m collecting that code in static libraries.

Now let’s say I have 3 static libraries I’m working with:

  1. Lib A contains generic utility functions
  2. Lib B contains one set of classes
  3. Lib C contains a second set of classes

(and A is a dependency of both B and C)

Now, my final project needs to utilize functionality from all three libraries. I know that A could be staticly linked with B, C, and my final project, but at that point I would get a linker error because there are multiple implementations of the same classes.

How should a situation like this be handled?

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1 Answer

  1. Editorial Team

    For anyone else wondering about this, I’ve found that you can get the behavior I wanted by including header files with each library, but only linking with one.

    In the example I outlined in my question, my primary project would link against A, B and C. However, to use A in libraries B & C, you can include the header files of A in B & C, but then only link against A in the root project.

    If anyone has a better suggestion, please feel free to share.

    As an aside, there’s a project called Cocoapods that is an iOS dependency manager. It seems to be worth keeping an eye on.

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