Julian Elischer <jul...@freebsd.org> wrote:
> As long as there is a REALLY EASY WAY to regenerate them and it's well
> documented,

Building each directory (in meta mode) is all that is/should be needed.

> EXACTLY the same output
> each time unless there is a source change, (so svn doesn't see a
> change if there is none)

Yes the results are stable - in the absense of bugs in makefiles.
I think I fixed all those in the projects/bmake branch, but it is easy
to introduce new issues.
Anytime a makefile changes its behavior based on the existance of
something it risks churning the dependencies b/w clean/update build.

This same tech has been used by 1000+ engineers daily for a number of years
now, it has made it much harder for them to break the build.

> then I guess having them checked in is ok. (though a bit "yucky").
> I'd like the ability to make a full make however that DOES regenerate
> them if I feel I have the time.

When we've added targets to build system packages etc, then that should
be simple.
I still need to catch up with what bapt has been doing on that front
though.

Thanks
--sjg
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