Alan Third <alan@idiocy.org> schrieb am Mi., 14. Feb. 2018 um 21:35 Uhr:

> On Wed, Feb 14, 2018 at 06:29:54AM +0200, Eli Zaretskii wrote:
> > > Date: Tue, 13 Feb 2018 23:06:15 +0100 (CET)
> > > From: Angelo Graziosi <angelo.g0@libero.it>
> > >
> > > Eli Zaretskii wrote:
> > > >
> > > > I'd urge people to try this branch and report any issues they see.
> > >
> > > What should we look for?
> >
> > The usual stuff, I think: does it build, does it work as expected,
> > etc.
>
> Lots of errors on macOS 10.13 (clang). Looks like they’re mostly the
> same thing repeated.
>
> dispnew.c:3019:1: error: argument to 'section' attribute is not valid for
> this
>       target: mach-o section specifier requires a segment and section
> separated
>       by a comma
> DEFUN ("redraw-frame", Fredraw_frame, Sredraw_frame, 0, 1, 0,
> ^
> ./lisp.h:3183:4: note: expanded from macro 'DEFUN'
>    SUBR_SECTION_ATTRIBUTE                                               \
>    ^
> ./lisp.h:3150:52: note: expanded from macro 'SUBR_SECTION_ATTRIBUTE'
> # define SUBR_SECTION_ATTRIBUTE ATTRIBUTE_SECTION (".subrs")
>                                                    ^
> dispnew.c:3028:1: error: argument to 'section' attribute is not valid for
> this
>       target: mach-o section specifier requires a segment and section
> separated
>       by a comma
>

The segment should probably be __DATA, cf.
https://developer.apple.com/library/content/documentation/DeveloperTools/Reference/Assembler/040-Assembler_Directives/asm_directives.html#//apple_ref/doc/uid/TP30000823-TPXREF136
.