[src/trunk]: src Add a note to rebuild jemalloc w/o debugging

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

details:   https://anonhg.NetBSD.org/src/rev/2d7bb922a8b2
branches:  trunk
changeset: 462007:2d7bb922a8b2
user:      martin <martin%NetBSD.org@localhost>
date:      Tue Jul 23 06:35:40 2019 +0000

description:
Add a note to rebuild jemalloc w/o debugging

diffstat:

 UPDATING |  9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diffs (23 lines):

diff -r 8caad5972cc6 -r 2d7bb922a8b2 UPDATING
--- a/UPDATING  Tue Jul 23 06:31:20 2019 +0000
+++ b/UPDATING  Tue Jul 23 06:35:40 2019 +0000
@@ -1,4 +1,4 @@
-$NetBSD: UPDATING,v 1.299 2019/02/08 09:57:01 mrg Exp $
+$NetBSD: UPDATING,v 1.300 2019/07/23 06:35:40 martin 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 +19,13 @@
 Recent changes:
 ^^^^^^^^^^^^^^^
 
+20190723:
+       The jemalloc allocator in libc is now build without extended
+       debugging (for performance reasons). In update builds make sure
+       to rebuild it completly, by removing all affected object files,
+       including compat builds, something like:
+       cd /usr/obj && find . -type d -name jemalloc|xargs rm -rf
+
 20190207:
        GCC 7 switched for many ports.  Update builds are likely to fail.