Re: build.sh flag "-u"

[Martin Husemann <martin%duskware.de@localhost>]

On Thu, Aug 15, 2019 at 04:52:09PM +0100, Arthur Barlow wrote:
> I have some uncertainty about the application of the "-u" flag in
> build.sh.  The docs say it prevents "make clean."  But without it will
> rebuild everything, including tools.  I've used the flag before
> without problems, but recently I've had the build break on a couple of
> occasions.  I'm not doing any cross compile and I'm building amd64.

It "usually just works". There are sometimes hickups when things get moved
around big time and old *.d files in the object directory confuse make.

I mostly use -u untill it fails, and when it fails I check src/UPDATING
for recent hints.

Martin