The following two patches will allow GCC to be built with a little endian target where the default CPU is power5. In particular, both of the libstc++-v3 and libgfortran libraries assumeed that any little endian powerpc system would support IEEE 128-bit. However, to support IEEE 128-bit, you need the VSX register set, so the IEEE 128-bit support would give errors when compiled.
I have built GCC with these options on both little endian and big endian systems, and there were no regressions. I have also built a little endian compiler using the --with-cpu=power5 option, and it built correctly. -- Michael Meissner, IBM PO Box 98, Ayer, Massachusetts, USA, 01432 email: meiss...@linux.ibm.com
