-if test "$host" = "sparc64" -o "$host" = "ia64" -o "$host" = "x86_64" -o "$host" = "alpha"; then +if test "$host" = "sparc64" -o "$host" = "ia64" -o "$host" = "amd64" -o "$host" = "alpha"; then
Do all hosts say this now? Shouldn't you keep x86_64 as well (at least for a while)?
Segher