On Wed, Apr 20, 2022 at 06:55:51AM -0700, Keith David Bershatsky wrote:
> 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.)

This one is funny since he code's been there since 2017, and according
to Apple the method is supported in 10.6, so I'm leaving it for now
since there's no error.

> 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 $

Please try the attached and let us know what happens.
-- 
Alan Third