bug#78562: Coreutils-9.7 do not build on macOS High Sierra, Version 10.13.6, because src/cksum.c: uses invalid cpu feature string for builtin

[Paul Eggert]

On 2025-05-29 03:16, Peter Dyballa wrote:
        gpg: Can't check signature: No public key

You can fix that by importing the public key of whoever signed the 
compressed tarball. See <https://savannah.gnu.org/users/karl>.

E.g.:

wget -O karl.key 'https://savannah.gnu.org/people/viewgpg.php?user_id=685'
gpg --import karl.key