Re: Emacs 28 on OSX: emacsclient.c:1415: warning: implicit declaration of function 'openat'

[Keith David Bershatsky]

Using the most recent patch by Alan permits the build to now proceed to 
macfont.m, where it stops:

  CC       macfont.o
In file included from macfont.m:24:
lisp.h:2156: warning: declaration does not declare anything
macfont.m: In function 'mac_font_shape_1':
macfont.m:425: warning: 'NSLayoutManager' may not respond to 
'-getGlyphsInRange:glyphs:properties:characterIndexes:bidiLevels:'
macfont.m:425: warning: (Messages without a matching method signature
macfont.m:425: warning: will be assumed to return 'id' and accept
macfont.m:425: warning: '...' as arguments.)
macfont.m: In function 'mac_font_create_preferred_family_for_attributes':
macfont.m:3575: error: 'NSOperatingSystemVersion' undeclared (first use in this 
function)
macfont.m:3575: error: (Each undeclared identifier is reported only once
macfont.m:3575: error: for each function it appears in.)
macfont.m:3575: error: expected ')' before '{' token
macfont.m:3576: warning: 'NSProcessInfo' may not respond to 
'-isOperatingSystemAtLeastVersion:'
make[1]: *** [macfont.o] Error 1
make: *** [src] Error 2
~/Desktop/emacs $

Thanks,

Keith