/usr/bin/ld -Wl,--relax -r -o dist-stage1/build/HSghc-6.10.4.o \
                                  dist-stage1/build/BasicTypes.o dist-stage1/build/DataCon.o ...
    /usr/bin/ld: unrecognized option '-Wl,--relax'

If we just drop '-Wl,' part it will not help as '-r' and '--relax' are incompatible.

Looks like '-Wl,--relax' was skipped by earlier binutils' ld as unknown option.
Removing ia64 specific path.