[src/trunk]: src Document aarch64 ABI break.

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

details:   https://anonhg.NetBSD.org/src/rev/e6e61f8f3b3c
branches:  trunk
changeset: 320764:e6e61f8f3b3c
user:      joerg <joerg%NetBSD.org@localhost>
date:      Tue Jul 17 19:13:53 2018 +0000

description:
Document aarch64 ABI break.

diffstat:

 UPDATING |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (20 lines):

diff -r 10f6efd9b2fd -r e6e61f8f3b3c UPDATING
--- a/UPDATING  Tue Jul 17 19:12:55 2018 +0000
+++ b/UPDATING  Tue Jul 17 19:13:53 2018 +0000
@@ -1,4 +1,4 @@
-$NetBSD: UPDATING,v 1.296 2018/07/16 11:45:01 martin Exp $
+$NetBSD: UPDATING,v 1.297 2018/07/17 19:13:53 joerg Exp $
 
 This file (UPDATING) is intended to be a brief reference to recent
 changes that might cause problems in the build process, and a guide for
@@ -19,6 +19,10 @@
 Recent changes:
 ^^^^^^^^^^^^^^^
 
+20180717:
+       On aarch64 int64_t and related types have changed from long long
+       to long. This requires recompiling all C++ binaries.
+
 20180713:
        On amd64 and i386 static binaries are now build position
        independend. This requires recompilation of all object