i[4567]86-*-linux-gnu
x86_64-*-linux-gnu Can build either x86_64 or x32
- powerpc-*-linux-gnu Hardware or software floating point
- powerpc64-*-linux-gnu
+ powerpc-*-linux-gnu Hardware or software floating point, BE only.
+ powerpc64*-*-linux-gnu Big-endian and little-endian.
s390-*-linux-gnu
s390x-*-linux-gnu
sh[34]-*-linux-gnu