[src/trunk]: src note that openssl and GCC may upset your builds.

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

details:   https://anonhg.NetBSD.org/src/rev/4abacb9c6bb8
branches:  trunk
changeset: 829798:4abacb9c6bb8
user:      mrg <mrg%NetBSD.org@localhost>
date:      Tue Feb 13 04:36:00 2018 +0000

description:
note that openssl and GCC may upset your builds.

diffstat:

 UPDATING |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r 9ef452593ece -r 4abacb9c6bb8 UPDATING
--- a/UPDATING  Tue Feb 13 04:11:28 2018 +0000
+++ b/UPDATING  Tue Feb 13 04:36:00 2018 +0000
@@ -1,4 +1,4 @@
-$NetBSD: UPDATING,v 1.290 2017/12/27 08:29:02 martin Exp $
+$NetBSD: UPDATING,v 1.291 2018/02/13 04:36:00 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 +19,12 @@
 Recent changes:
 ^^^^^^^^^^^^^^^
 
+20180212:
+       between OpenSSL and GCC updates, many things may fail to build.
+       any failure that looks like GCC or openssl is best handled by
+       a clean destdir and objdir.  Full cleandir and destdir deletion
+       is recommended if build failures occur.
+
 20171225:
        removal of the vadvise syscall requires manual removal of all
        associated files from the libc build object directory (including