Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k

On Mon, 2025-06-16 at 10:00 +0200, Laurent Vivier wrote:
> > Could you point me to these packages which assume 2 bytes alignment? I'm genuinely
> > interested as I would like to put these up on the wiki. So far I haven't found any.
> > 
> > I have used Debian's rebootstrap to create an initial set of m68k packages with
> > 4 bytes alignment and didn't run into any problems yet.
> > 
> > The Gentoo developers have also successfully created a chroot with 4 bytes alignment:
> > 
> > https://dev.gentoo.org/~dilfridge/m68k/
> > 
> > I have tried it and it worked fine for me with qemu-user.
> > 
> > So, if there is any software that is incompatible with 4 bytes alignment on m68k, I
> > would like to hear about it.
> 
> qemu-user is one of these softwares that know m68k has alignment of 
> 2byte. All the structures translated from the m68k chroot to the host 
> kernel are with a 2byte alignment.

And yet it works without any problems so far. Please try the Gentoo chroot yourself.

Adrian

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