[src/trunk]: src note that new GMP may require some cleaning.

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

details:   https://anonhg.NetBSD.org/src/rev/434b08e2bf74
branches:  trunk
changeset: 1022309:434b08e2bf74
user:      mrg <mrg%NetBSD.org@localhost>
date:      Sun Jul 11 21:58:52 2021 +0000

description:
note that new GMP may require some cleaning.

diffstat:

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

diffs (20 lines):

diff -r 05c3560135b8 -r 434b08e2bf74 UPDATING
--- a/UPDATING  Sun Jul 11 21:28:17 2021 +0000
+++ b/UPDATING  Sun Jul 11 21:58:52 2021 +0000
@@ -1,4 +1,4 @@
-$NetBSD: UPDATING,v 1.318 2021/04/17 04:08:32 mrg Exp $
+$NetBSD: UPDATING,v 1.319 2021/07/11 21:58:52 mrg 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:
 ^^^^^^^^^^^^^^^
 
+20210711:
+       Updated GMP sources may require cleaning in tools/gmp and/or in
+       external/lgpl3/gmp/lib, particularly if GCC itself does not build.
+
 20210417:
        GCC 10 was enabled for several platforms.  If builds fail in either
        tools/gcc or external/gpl/gcc, first try cleaning those objects and