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Date:      Tue, 01 Oct 2002 09:54:07 -0700
From:      "Kevin Oberman" <oberman@es.net>
To:        Giorgos Keramidas <keramida@ceid.upatras.gr>
Cc:        John Mills <john.m.mills@alum.mit.edu>, FreeBSD-questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Q: continuing interrupted 'make buildworld' 
Message-ID:  <20021001165408.F22AA5D04@ptavv.es.net>
In-Reply-To: Your message of "Tue, 01 Oct 2002 04:32:53 %2B0300." <20021001013253.GJ1535@hades.hell.gr> 

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> Date: Tue, 1 Oct 2002 04:32:53 +0300
> From: Giorgos Keramidas <keramida@ceid.upatras.gr>
> Sender: owner-freebsd-questions@FreeBSD.ORG
> 
> On 2002-09-30 17:31, John Mills <jmmills@telocity.com> wrote:
> > I would like to restart a 'make buildworld' without deleting or recreating
> > any unnecesary files (i.e., after messing about in the source tree).
> >
> > How should I do this? (Is this the effect of 'make -DNOCLEAN buildworld'?)
> 
> That should work.  It will rebuild a few things that you could
> probably avoid, but in general it works fine.

Try to interrupt the buildworld during a compile as the compiler will
not create the output file until the end of the operation and a
restart will re-run the interrupted compile.

Some other operations leave the system in an indeterminate state. For
example, when creating a library, the library is created and then
modules are added. IF the process is re-started, make(1) sees the
library with an updated time-stamp and goes on without loading the
remaining modules.

R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634

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