New comment by tornaria on void-packages repository https://github.com/void-linux/void-packages/pull/34030#issuecomment-967756058 Comment: > You can ignore the `common/shlibs` and `empty dir` messages. > > The doctest failures probably have something to do with using python 3.9; why is this? No, this is because sage needs the source files to be available, and I didn't include in the pkg. This is not just for testing, but also for inline help. You can see it complains about missing `/builddir/sage-9.5.beta5/...` files, which is where the source files were. I'll do a second attempt soon.