[src/trunk]: src/sys/arch/sparc/stand/boot Appease clang -Waddress-of-packed-...

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/26156a830a6e
branches:  trunk
changeset: 972679:26156a830a6e
user:      rin <rin%NetBSD.org@localhost>
date:      Wed Jun 03 02:51:39 2020 +0000

description:
Appease clang -Waddress-of-packed-member for <ufs/lfs/lfs_accessors.h>,
in the same manner as done for sparc64; pointer substitution is just for
sanity check and harmless there.

diffstat:

 sys/arch/sparc/stand/boot/Makefile |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r beb6c4acda5f -r 26156a830a6e sys/arch/sparc/stand/boot/Makefile
--- a/sys/arch/sparc/stand/boot/Makefile        Wed Jun 03 02:07:52 2020 +0000
+++ b/sys/arch/sparc/stand/boot/Makefile        Wed Jun 03 02:51:39 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.42 2017/04/28 13:38:35 christos Exp $
+#      $NetBSD: Makefile,v 1.43 2020/06/03 02:51:39 rin Exp $
 
 STRIPFLAG=
 PROGSOURCE=    boot.c net.c netif_sun.c conf.c openfirm.c bootinfo.c \
@@ -14,6 +14,11 @@
 INCLUDE_LIBZ=  yes
 SAMISCMAKEFLAGS= SA_USE_CREAD=yes
 
+# Follow the suit of Makefile.kern.inc; needed for the lfs64 union
+# accessors -- they don't actually dereference the resulting pointer,
+# just use it for type-checking.
+CWARNFLAGS.clang+=      -Wno-error=address-of-packed-member
+
 .include "../Makefile.buildboot"
 
 .if ${MACHINE} == sparc64