On Wed, Mar 24, 2004 at 10:20:45AM +0200, Ruslan Ermilov wrote:
> > > Yes, src/sys/ is self-sufficient, except for some tools used during
> > > buildkernel, aicasm is one of them.
> >
> > ...which was the content of my question. So, upgrades (buildworld
> > then buildkernel) apparently don't work if you don't have /usr/include
> > installed to begin with.
> >
> Of course not. For a successful buildworld (and buildkernel),
> it is required to have a complete and non-broken build system,
> as we still build lot of tools using the host toolchain.
> - build-tools. These are special small helper applications
> that are built and used only during buildworld/buildkernel.
> For example, "mkinit" for bin/sh and "aicasm" for the
> Adaptec SCSI drivers.
By the time we get to building the kernel, we have already built world
successfully, and a complete up-to-date toolchain is available (but
not yet installed in the default location on the host). The failure
case I reported to you occurs at this point; missing db.h will allow
the world to build, but kernel builds to fail.
In other words there's no need for kernel build tools to fail, because
everything they require is available from the output of 'make
buildworld'. Whether or not it is difficult to use these in the
current FreeBSD build implementation is another matter, but your
general "of course not" is missing my specific point.
Kris
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