[src/trunk]: src add a note about MPC/MPFR updates breaking some types of upd...

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

details:   https://anonhg.NetBSD.org/src/rev/55afb9a19755
branches:  trunk
changeset: 826147:55afb9a19755
user:      mrg <mrg%NetBSD.org@localhost>
date:      Thu Aug 17 01:16:55 2017 +0000

description:
add a note about MPC/MPFR updates breaking some types of update builds.

diffstat:

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

diffs (22 lines):

diff -r 2e1cccb813f9 -r 55afb9a19755 UPDATING
--- a/UPDATING  Thu Aug 17 01:12:41 2017 +0000
+++ b/UPDATING  Thu Aug 17 01:16:55 2017 +0000
@@ -1,4 +1,4 @@
-$NetBSD: UPDATING,v 1.284 2017/04/03 09:37:58 martin Exp $
+$NetBSD: UPDATING,v 1.285 2017/08/17 01:16:55 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:
 ^^^^^^^^^^^^^^^
 
+20170816:
+       a new version of MPFR and MPC have been imported and probably
+       will break parts of builds related to themselves or GCC, both
+       in the tools and the native section.  Remove all GCC, GMP, MPFR
+       and MPC objdirs or build once without -u.
+
 20170402:
        a new version of dhcpcd has been imported, which does not support
        update builds from the previous version. Remove your