[Bug libc/23960] [2.28 Regression]: New getdents{64} implementation breaks qemu-user

["adhemerval.zanella at linaro dot org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=23960

--- Comment #37 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to John Paul Adrian Glaubitz from comment #36)
> (In reply to Adhemerval Zanella from comment #35)
> > My question is why is preventing buildds on qemu-emulated architectures to
> > use LFS interfaces instead of non-LFS one?
> 
> We're just using the defaults of qemu-user. Is there an option to
> force-enable LFS in qemu?

No sure in fact, my un(In reply to John Paul Adrian Glaubitz from comment #36)
> (In reply to Adhemerval Zanella from comment #35)
> > My question is why is preventing buildds on qemu-emulated architectures to
> > use LFS interfaces instead of non-LFS one?
> 
> We're just using the defaults of qemu-user. Is there an option to
> force-enable LFS in qemu?

In fact, it seems it would fail regardless of whether the process issue LFS or
non-LFS syscall, as Florian has pointed out [1].  Florian could you confirm
that even 32-bit binaries built with LFS support while running on qemu-system
also built with LFS support still fail? Because I am failing to see where
exactly it would be broken in this situation.

[1]
https://lore.kernel.org/lkml/20181229015453.GA6310@bombadil.infradead.org/T/

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