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Re: Do not define -mlong-double-128 on ppc when --without-fp specified?
2006/3/16, Roland McGrath <roland@redhat.com>:
> Sorry, it's going to be broken until someone volunteers to fill in the
> missing pieces. We do not want to have different glibc ABIs for different
> powerpc configurations. The glibc ABI for powerpc will use IBM extended
> format for long double from now on, regardless of the particular hardware
> constraints you are configuring for. To restore working support for
> --without-fpu powerpc configurations, GCC needs to be made to support it.
> This will require writing the soft-fp support for IBM extended format that
> GCC will generate calls to.
You mean something like this patch?
http://gcc.gnu.org/ml/gcc-patches/2006-03/msg00689.html