Hi Danny, > On Jun 17, 2019, at 11:51 PM, Danny Milosavljevic wrote: > > So try running "make" in guix. I always run make before any ./pre-inst-env invocation, and that’s what raises the error. > Otherwise "grep -r gdb-llvm ." to find left-overs, if any. No results (besides those in .git). Maybe it’s because there are items in the store which have references to it and guix is getting confused somewhere? Unfortunately, I don’t know enough to stipulate further... > If nothing else helps, rm -rf ~/.cache/guile Unfortunately this didn’t help either :( I’m willing to get this merged in as is for now, get rust to build again, and clean up my store with `guix gc` before trying to delete the patch file again. Maybe things will work then. Also attaching one more patch update, this time for bumping to llvm@8 for the latest rust version! —Ivan