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Re: GCC 9 enabled for x86 and arm platforms.
> On Sun, Sep 13, 2020 at 07:13:31PM +1000, matthew green wrote:
> > > Would -r flag in build.sh command be sufficient to ensure a clean build?
> > > Something like
> > > ===> build.sh command: ./build.sh -m amd64 -B nb899-20190723 -M ../obj -T ../tooldir -r -U distribution kernel=SANDY7
> > this is probably good enough.
> > -r removes tooldir and destdir. the lack of -u means
> > you're doing a cleandir which should mean it rebuilds
> > everything else.
> That's not always sufficient. Because the clean rules (most of them
> anyway) specifically remove $(OBJS) rather than *.o, and do similar
> things for other build products, after changes stuff can get left
> behind by cleandir. Occasionally it's not harmless stuff.
> Deleting the whole obj tree before a full build doesn't cost very much
> and it's a good precaution with large changes.
> David A. Holland
I guess it's better to play safe and rm -R ../obj/*
I will heed your advice!
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