bug#12881: Assume at least POSIX.1-1988 for fcntl.h

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Eli Zaretskii <eliz@gnu.org>,  Paul Eggert <eggert@cs.ucla.edu>,  
> 12881@debbugs.gnu.org
> Date: Fri, 16 Nov 2012 10:26:11 -0500
> 
> > But as for Eli's comment, he's quite right in saying that, when things
> > break, he's the only one to fix them.  Many of the recent changes that
> > have broken Windows need to be fixed by someone who's not only
> > well-versed on Windows development, but also POSIX.  Unfortunately the
> > number of people with that skill set is tiny among Emacs developers,
> > I think.
> 
> Yes, indeed.  I find it a bit scary, actually,

It's not.  It involves careful reading of the code and of the Posix
spec, that's all.