=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Fetching gprolog-1.4.5.tar.gz
=> Total size: 3587361 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file gprolog-1.4.5.tar.gz
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file gprolog-1.4.5.tar.gz
=> Checksum BLAKE2s OK for gprolog-1.4.5.tar.gz
=> Checksum SHA512 OK for gprolog-1.4.5.tar.gz