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Re: GCC 9 enabled for x86 and arm platforms.

On Sun, Sep 13, 2020 at 07:28:16AM +0000, Thomas Mueller wrote:
> > i've switched x86 and arm to GCC 9.  several others are liking
> > to switch soon, and they will all likely need clean builds to
> > be stable.
> > please send email here or to me or send-pr for problems.
> > thanks! 
> > .mrg.   
> Would -r flag in command be sufficient to ensure a clean build?
> Something like
> ===> command:    ./ -m amd64 -B nb899-20190723 -M ../obj -T ../tooldir -r -U distribution kernel=SANDY7
> Or would it be necessary to explicitly clean obj and tooldir directories, like
> rm -R ../obj/*
> rm -R ../tooldir/*
> ?
> At this stage I wouldn't want to keep any remnants from old builds.

Making sure there isn't MKUPDATE=yes nor -u in call was enough
for me. The explicit clean would probably be better. (-r doesn't touch



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