Re: add non-option reordering to in-tree getopt_long

On Tue, Jun 13, 2023 at 12:00:01PM +0900, Kyotaro Horiguchi wrote:
> POSIXLY_CORRECT appears to be intended for debugging or feature
> validation. If we know we can always rearrange argv on those
> platforms, we don't need it.  I would suggest that we turn on the new
> feature at the compile time on those platforms where we know this
> rearrangement works, instead of switching at runtime.

I'd be okay with leaving it out wherever possible.  I'm curious whether any
supported systems do not allow this.

> As far as I can see, getopt_long on Rocky9 does *not* rearrange argv
> until it reaches the end of the array. But it won't matter much.

Do you mean that it rearranges argv once all the options have been
returned, or that it doesn't rearrange argv at all?

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com