Module Name:    src
Committed By:   martin
Date:           Wed Jul 19 17:49:40 UTC 2023

Modified Files:
        src: UPDATING

Log Message:
Warn to clean gcc objectdirs for updated compiler.


To generate a diff of this commit:
cvs rdiff -u -r1.341 -r1.342 src/UPDATING

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/UPDATING
diff -u src/UPDATING:1.341 src/UPDATING:1.342
--- src/UPDATING:1.341	Tue Jul 18 16:59:57 2023
+++ src/UPDATING	Wed Jul 19 17:49:40 2023
@@ -1,4 +1,4 @@
-$NetBSD: UPDATING,v 1.341 2023/07/18 16:59:57 lukem Exp $
+$NetBSD: UPDATING,v 1.342 2023/07/19 17:49:40 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
@@ -23,6 +23,12 @@ Recent changes:
 	build.sh will use mk.conf in the same directory as build.sh instead
 	of /etc/mk.conf, unless MAKECONF is already defined in the environment.
 
+20230714:
+	Import of gcc 10.5 requires a clean build of at least tools/gcc
+	and external/gpl3/gcc* object directories. An update build
+	without cleaning will result in obscure failures in rare corner
+	cases.
+
 20230604:
 	Building native kernels with the installed make(1) instead of
 	the $TOOLDIR/bin/nbmake-${arch} wrapper will fail if userland

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