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Re: PowerPC32 .gnu.attributes in crt files
On Thu, Feb 17, 2011 at 11:09:41PM +0000, Joseph S. Myers wrote:
> On Fri, 18 Feb 2011, Alan Modra wrote:
>
> > On Thu, Feb 17, 2011 at 06:00:24PM +0000, Joseph S. Myers wrote:
> > > Do you really have a use case where you want to
> > > use glibc's crt*.o files but no other static or shared libraries from
> > > glibc?
> >
> > Yes, soft-float and other multi-libs built for gcc. For instance, we
> > build a soft-float version of libgcc_s.so. This is linked with
> > -nodefaultlibs so we just use /usr/lib/crti.o and /usr/lib/crtn.o
> > from glibc.
>
> The problem is that those are built by default; it makes no sense to build
> such multilibs without an appropriate sysroot and SYSROOT_SUFFIX_SPEC and
> they are not useful without an associated libc.
You asked for a use case. I very carefully didn't say anything about
the usefulness of those multilibs. ;-)
My point remains that the crt files ideally should not be marked with
an attribute that indicates they are hard-float only.
--
Alan Modra
Australia Development Lab, IBM