arm-*-linux-gnueabi
i[4567]86-*-linux-gnu
x86_64-*-linux-gnu Can build either x86_64 or x32
+ m68k-*-linux-gnu
powerpc-*-linux-gnu Hardware or software floating point, BE only.
powerpc64*-*-linux-gnu Big-endian and little-endian.
s390-*-linux-gnu
alpha*-*-linux-gnu
hppa-*-linux-gnu Not currently functional without patches.
ia64-*-linux-gnu
- m68k-*-linux-gnu
mips-*-linux-gnu
mips64-*-linux-gnu