Robert Watson rwatson at
Mon Mar 24 11:10:26 PDT 2008

On Mon, 24 Mar 2008, David Wolfskill wrote:

> On Mon, Mar 24, 2008 at 01:18:59PM -0400, Chuck Robey wrote:
>> ...
>>> In otherwords, you have stale files in ${DESTDIR}/usr/include.
>> Thanks, David, I'd found it a couple days ago, actually it was pointed directly
>> to in an earlier email.  I had somehow pulled a really old copy of tablet.h from
>> my cvs archive onto my system....
> Something I've been doing for a while to avoid that is to augment the steps 
> listed in src/UPDATING by prefixing the "make installworld" with
> 	rm -fr /usr/include.old && mv /usr/include{,.old}
> so once "make installworld" has completed, /usr/include is fresh.
> I have had very few breaks -- even in CURRENT -- over the years since 
> adopting the approach.  (And I generally track CURRENT daily.)
> Note that the approach is not appropriate for a machine that has 
> /usr/include updated outside of the "make installworld" process -- but my 
> machines don't have that issue.  (Still, note that I "move aside" the old 
> /usr/include, just in case....)

buildworld instructions generally also seem to exclude "rm -Rf 
/usr/obj/whatever", or some make clean variation, which is, once in a while, 
required to get a successful build.

Robert N M Watson
Computer Laboratory
University of Cambridge

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