On Thu, Nov 08, 2007 at 08:45:01PM +0100, Jan Altenberg wrote:
> Hi Sam,
>
> > > commit 0b35786d77ba4037f181982cc8ca20a7a3bf0fd2
> > > Author: Milton Miller <[email protected]>
> > > Date: Fri Sep 21 18:09:02 2007 -0500
> > >
> > > kbuild: call make once for all targets when O=.. is used
> > >
> > > Change the invocations of make in the output directory Makefile and the
> > > main Makefile for separate object trees to pass all goals to one $(MAKE)
> > > via a new phony target "sub-make" and the existing target _all.
> > >
> > > When compiling with separate object directories, a separate make is called
> > > in the context of another directory (from the output directory the main
> > > Makefile is called, the Makefile is then restarted with current directory
> > > set to the object tree). Before this patch, when multiple make command
> > > goals are specified, each target results in a separate make invocation.
> > > With make -j, these invocations may run in parallel, resulting in multiple
> > > commands running in the same directory clobbering each others results.
> > >
> > > I did not try to address make -j for mixed dot-config and no-dot-config
> > > targets. Because the order does matter, a solution was not obvious.
> > > Perhaps a simple check for MAKEFLAGS having -j and refusing to run would
> > > be appropriate.
> > >
> > > Signed-off-by: Milton Miller <[email protected]>
> > > Signed-off-by: Sam Ravnborg <[email protected]>
> > >
> > > So, am I facing a kbuild regression?
> >
> > Yes - I will try to fix it during the weekend (if Milton does not beat me).
> > Thanks for reporting and bisecting!
>
> Have you made any progress on this? Let me know, if I can assist with
> testing.
Hi Jan.
Not at all. My limited linux time goes into some x86 unification
that I have given higher priority.
But your report is saved and I will return to it.
Sam
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