HEADS UP multi processor compilations for everyone
cokane at FreeBSD.org
Tue Mar 24 09:29:57 PDT 2009
On Tue, 2009-03-24 at 16:19 +0100, Pav Lucistnik wrote:
> Coleman Kane píše v út 24. 03. 2009 v 10:58 -0400:
> > On Tue, 2009-03-24 at 15:54 +0100, Pav Lucistnik wrote:
> > > Niclas Zeising píše v út 24. 03. 2009 v 15:28 +0100:
> > >
> > > > Not to nitpick or be an annoyance, but you might want to document this
> > > > in ports(7) or make.conf(5) (or both) so it doesn't get lost in the
> > > > mail-lists or if people are not reading ports@
> > >
> > > I will document it soon, thinking The Handbook would be best place.
> > >
> > Definitely add it to UPDATING too. This will allow people who typically
> > do something like "make configure && make -j3" to now know that they
> This would break very fast -- it's passing -j3 to port Makefile instead
> of vendor Makefile.
This has worked fine for me for countless years, except where the
vendor's Makefiles were not parallel-safe. This has been my trick to get
larger things (like mysql or xorg-server) to make in parallel. It *did*
work. If this has changed, then it definitely warrants mention in
> > don't have to. It will also allow others to know why ports compilation
> > on their multi-core boxes suddenly uses a lot more CPU time.
> Same CPU time, less wall time, more CPU utilization :)
Thanks for the clarification... that's what I meant :)
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