re: toolchain/56288: ./build.sh tools does not work on Apple M1 Macs (#2) due to gcc build

[matthew green <mrg%eterna.com.au@localhost>]

The following reply was made to PR toolchain/56288; it has been noted by GNATS.

From: matthew green <mrg%eterna.com.au@localhost>
To: gnats-bugs%netbsd.org@localhost, cjep%netbsd.org@localhost
Cc: toolchain-manager%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
    netbsd-bugs%netbsd.org@localhost
Subject: re: toolchain/56288: ./build.sh tools does not work on Apple M1 Macs (#2) due to gcc build
Date: Mon, 12 Jul 2021 07:39:01 +1000

 > Undefined symbols for architecture arm64:
 >   "_host_hooks", referenced from:
 >       c_common_no_more_pch() in c-pch.o
 >       general_init(char const*, bool) in libbackend.a(toplev.o)
 >       gt_pch_save(__sFILE*) in libbackend.a(ggc-common.o)
 >       gt_pch_restore(__sFILE*) in libbackend.a(ggc-common.o)
 
 OK, this seems obvious now i look closer.
 
 dist/gcc/config/host-darwin.c does not define host_hooks like
 it should.  can you try this patch?
 
 
 .mrg.
 
 
 Index: external/gpl3/gcc/dist/gcc/config/host-darwin.c
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 RCS file: /cvsroot/src/external/gpl3/gcc/dist/gcc/config/host-darwin.c,v
 retrieving revision 1.1.1.10
 diff -p -u -r1.1.1.10 host-darwin.c
 --- external/gpl3/gcc/dist/gcc/config/host-darwin.c	10 Apr 2021 22:09:44 -=
 0000	1.1.1.10
 +++ external/gpl3/gcc/dist/gcc/config/host-darwin.c	11 Jul 2021 21:36:59 -=
 0000
 @@ -22,6 +22,8 @@
  #include "coretypes.h"
  #include "diagnostic-core.h"
  #include "config/host-darwin.h"
 +#include "hosthooks.h"
 +#include "hosthooks-def.h"
  =
 
  /* Yes, this is really supposed to work.  */
  /* This allows for a pagesize of 16384, which we have on Darwin20, but sh=
 ould
 @@ -78,3 +80,5 @@ darwin_gt_pch_use_address (void *addr, s
  =
 
    return ret;
  }
 +
 +const struct host_hooks host_hooks =3D HOST_HOOKS_INITIALIZER;