Alan Third <alan@idiocy.org> schrieb am Sa., 23. Sep. 2017 um 21:31 Uhr:

> On Sat, Sep 23, 2017 at 09:08:21PM +0200, Philipp wrote:
> >
> > Compilation fails on macOS Sierra at repository version
> > c0af83b6ccf2dab9a515dd7f52eb9d4500275ae3:
> >
> > $ make
> > /Applications/Xcode.app/Contents/Developer/usr/bin/make -C lib all
> >   CC       utimens.o
> > utimens.c:250:20: error: 'utimensat' is only available on macOS 10.13 or
> newer [-Werror,-Wunguarded-availability-new]
> >           result = utimensat (AT_FDCWD, file, ts, 0);
> >                    ^~~~~~~~~
>
> I can’t replicate, but I don’t have the full xcode installed, just the
> command line stuff.
>
> I take it you upgraded Xcode the other day? (To version 9, I think?)
>

Yes, indeed.


>
> Is there maybe a test in configure that’s incorrectly identifying this
> utimens.c stuff as OK?
>
>
I do have configure output like this:

checking for futimens... yes
checking for utimensat... yes

So I think the functions are there, but the compilation shouldn't use them
since they would make the binary incompatible with old versions of macOS.