Thanks to all of you for taking a look at this and for your insights and advice!I think I've definitely learned a couple things about how to do symbols better in the future.
In the near term, I'm going to take the advice to just get rid of the symbols file. I've been so busy with Bazel [1] recently that I just don't have the time to work through this right now. But I'm keeping this email flagged for follow-up because I would definitely like to implement a visibility patch in the future. It looks like it will make the symbols file MUCH more manageable! Thanks again! -Olek [1] https://salsa.debian.org/bazel-team/meta/-/wikis/Workplan-Part-1