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Re: binutils > 2.21.51.0.2 fails to build glibc
On Tue, Jan 11, 2011 at 03:56:36PM -0800, H.J. Lu wrote:
> On Tue, Jan 11, 2011 at 3:48 PM, Alan Modra <amodra@gmail.com> wrote:
> > On Sun, Jan 09, 2011 at 12:37:15PM +0100, Octoploid wrote:
> >> Any binutils version > 2.21.51.0.2 fails to build glibc (2.12.2) on
> >> Linux x86_64:
> >
> > I just ran into this myself on x86. ?I think glibc probably fails to
> > build on any architecture. ?The patch that introduced the problem is
> > http://sourceware.org/ml/binutils/2010-12/msg00466.html
> >
> > HJ, please look at fixing this. ?A new binutils ought to be able to
> > build the most recently released glibc. ?Actually, I guess this is not
> > just glibc that is broken but any binary using .ctors/.dtors that
> > happens to use non-standard startup file names.
>
> Glibc has been fixed:
>
> http://sourceware.org/git/?p=glibc.git;a=commit;h=4a531bb0b3b582cb693de9f76d2d97d970f9a5d5
You didn't read what I said.
> > A good fix might be to add EXCLUDE_INIT_SENTINEL, so that
>
> It is too fragile. I want to avoid it if possible.
Do you think it is OK for a new GNU ld to without warning build older
versions of glibc that segfault at runtime?
Do you intend to fix this problem, or do you think it would be better
to revert the .ctor in .init_array support?
--
Alan Modra
Australia Development Lab, IBM