I had no trouble with the Mercury runtime on amd64/netbsd9.2/gcc12.1. Possibly a Broadcom/Rpi4/aarch64/Linux/GCC specific combination. On Tue, 17 May 2022, Sean Charles (emacstheviking) wrote: > Possibly *nix specific then, I ran the code fine on my M1 Mac mini with no issues; -- vl