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Re: Parallel build on SMP is even more broken.

To: Alexandre Oliva <aoliva at redhat dot com>
Subject: Re: Parallel build on SMP is even more broken.
From: "H . J . Lu" <hjl at lucon dot org>
Date: Wed, 6 Sep 2000 11:44:10 -0700
Cc: Mike Stump <mrs at windriver dot com>, gcc-bugs at gcc dot gnu dot org,gcc at gcc dot gnu dot org, donn at interix dot com, lauras at softhome dot net,gcc-patches at gcc dot gnu dot org
References: <200009061728.KAA20727@kankakee.wrs.com> <20000906105837.A20970@lucon.org> <orr96x4cn3.fsf@guarana.lsd.ic.unicamp.br>

On Wed, Sep 06, 2000 at 03:08:00PM -0300, Alexandre Oliva wrote:
> On Sep  6, 2000, "H . J . Lu" <hjl@lucon.org> wrote:
> 
> > 	* Makefile.in (stage_b): Depend on stage_a.
> > 	(stage_c): Depend on stage_b.
> > 	(stage_d): Depend on stage_c.
> > 	(stage_e): Depend on stage_d.
> > 	(stage_f): Depend on stage_e.
> 
> Ok
> 
> > 	(bootstrap-lean_c): Remove clean_s1.
> > 	(bootstrap-lean_f): Remove clean_s2.
> > 	(bootstrap2-lean_e): Likewise.
> 
> But I'd prefer to have clean_s[12] depend on the corresponding stage_?.

I took a look. I am confused. Could someone please tell me why the
clean_s2 target is needed? The problem is clean_s2 will clean many
.o files in stage2. As the result, "make compare" won't compare many
stage2/*.o as before. I suggest we should remove clean_s2. We can
remove clean_s1 and fold it into bootstrap-lean_c. Or we can make it
depends on stage_b.

H.J.

References:
- Re: Parallel build on SMP is even more broken.
  - From: Mike Stump
- Re: Parallel build on SMP is even more broken.
  - From: H . J . Lu
- Re: Parallel build on SMP is even more broken.
  - From: Alexandre Oliva

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