Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.5.0-0.8

[Ken Brown <kbrown at cornell dot edu>]

On 3/18/2016 7:29 PM, Yaakov Selkowitz wrote:
> On 2016-03-18 18:05, Yaakov Selkowitz wrote:
> > On 2016-03-18 17:25, Ken Brown wrote:
> > > On 3/18/2016 5:45 PM, Corinna Vinschen wrote:
> > > > On Mar 18 16:58, Ken Brown wrote:
> > > > > On 3/18/2016 4:34 PM, Corinna Vinschen wrote:
> > > > > > I released a new Cygwin TEST version 2.5.0-0.8.
> > > > > >
> > > > > > If things are not going very wrong, this is basically what you'll
> > > > > > get as 2.5.0-1 release.  Please, please test and report regressions.
> > > > >
> > > > > Does this release include Yaakov's overhaul of the feature test
> > > > > macros?
> > > >
> > > > Sorry, I completely forgot to metion this in my release mail, which
> > > > is especially weird because I created this test release to allow
> > > > testing
> > > > the new feature test macros in the first place.  Sorry!
> > >
> > > The problem I reported in
> > > https://www.cygwin.com/ml/cygwin/2015-12/msg00183.html has reappeared.
> > > It looks like your fix
> > > (https://www.cygwin.com/ml/cygwin/2015-12/msg00199.html) got reverted.
> >
> > The commit message for removing the include did not indicate what
> > prompted it.  However, the include is necessary for BSD compatibility,
> > and other software fails to build without it.
> >
> > I would look into emacs and see what feature test macro(s) they enable
> > on *Linux*, and use the same for Cygwin.
>
> Might this be it?
>
> http://git.savannah.gnu.org/cgit/emacs.git/tree/lib/sys_select.in.h

This file is part of the Gnulib module that I mentioned in the thread I 
cited above.

> There's some seriously hackish things going on in that file, some of
> them Cygwin specific.

I think such things are often necessary in Gnulib, but I'll leave it to 
Eric to comment further.  In any case, Eric said in our original 
discussion that there might be a Gnulib fix for this problem, but then 
he and Corinna ended up deciding it was better to remove the include.

Ken