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Re: [Build, Patch, libquadmath] PR 46520 Do not call AC_CHECK_LIB for gcc_no_link


* Tobias Burnus wrote on Sun, Dec 19, 2010 at 08:05:19PM CET:
> Ralf Wildenhues wrote:
> >   # The toplevel --target becomes the --host in target libdirs.
> >   case $host_os in
> >     linux*) ac_cv_lib_m_sqrtl=yes ;;
> >     ...
> >   esac

> Is it obvious that all linux* support sqrtl?

Oh, I have no idea about the actual settings; the above was only meant
as an example.

> I wouldn't rule out
> that there are Linux systems with double-only LIBC. Admittedly, I
> rather would expect those on, e.g., ARM systems where no __float128
> exists.

I would guess so, too.

> I have now committed the second version of the patch (Rev. 168069).
> However, if we find something better, one can still commit it as
> follow-up patch.

Thanks,
Ralf


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