on the gcp tpu platform the nix and guix both suffer from libunwind.
I love your docs and the philosophy as well.
I have been building guix from git sources only and testing it, goal is to build guix and then nix .
I found this error message that made no sense, in stracing the server i found it looking for zstd.go without that being a requirement. So I added that and the error went away, I am working on the next error now.
thanks,
mike