investigate objcopy: xxxx: debuglink section already exists in build output

[softprops]

this seems to be an artifact of #39. It's unclear if its actually harmful but it is a it off putting. Let's see if we can't figure out what it makes and address

[patstew]

Ended up here trying to fix my own issue. FWIW it means the debuglink hasn't been added. It seems lld sometimes takes a debuglink from the system runtime which prevents the one you want from being added. You can fix it by adding --remove-section=.gnu_debuglink before the --add-gnu-debuglink=....