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Re: lossage with successive builds on netbsd-6 branch

On Tue 24 Dec 2013 at 16:24:55 +0000, David Laight wrote:
> On Tue, Dec 24, 2013 at 01:36:05PM +0100, Christoph Badura wrote:
> > When I do two (or more) runs in a row switching MACHINE with -m
> > only the first one runs to completion. E.g.:
> > 
> > ./ -j8 -U -O obj -m i386 tools release >& build.i386.log
> > ./ -j8 -U -O obj -m sparc tools release >& build.sparc.log
> You need to use different object directories for the two builds.

If I do that (i.e., both things mentioned above) it seems that the
second build re-builds some of the host tools unnecessarily. I keep the
same TOOLDIR between them.

I haven't checked extensively what the cause of this is, I just wanted
to mention it in case somebody knows that there is, in fact, a good
reason for it.

For instance, recenly I did a VAX build following an amd64 build, and
this is a small part of the log output:

dependall-sed ===> tools 
dependall ===> tools/sed 
     create  sed/compile.d 
     create  sed/main.d 
     create  sed/misc.d 
     create  sed/process.d 
     create  sed/.depend 
    compile  sed/compile.lo 
    compile  sed/misc.lo 
    compile  sed/main.lo 
    compile  sed/process.lo 
       link  sed/sed 
install-sed ===> tools 
install ===> tools/sed 
    install  /vol1/rhialto/tools.amd64/bin/nbsed 

Of course there had been a perfectly ok version of nbsed already because
of the amd64 build.

___ Olaf 'Rhialto' Seibert  -- The Doctor: No, 'eureka' is Greek for
\X/ rhialto/at/    -- 'this bath is too hot.'

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