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Date: Thu, 08 Jun 2006 16:30:27 +0400
From: Sergey Matveychuk <sem@FreeBSD.org>
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To: Kris Kennaway <kris@obsecurity.org>
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Cc: Lev Serebryakov <lev@FreeBSD.org>, freebsd-ports@FreeBSD.org
Subject: Re: portupgrade ideas page
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Kris Kennaway wrote:
> FYI, you might like to check out the 'makeparallel' pointyhat script
> (in /usr/ports/Tools).  This takes an INDEX as input and spits out an
> enormous makefile with all dependencies enumerated, so you can just
> use make -j for parallel builds in correct dependency order.  You
> wouldn't have to construct the full makefile, only the subset
> corresponding to the ports that are going to be updated.
> 
> You'd still need mutual exclusion around e.g. the pkgdb, but you
> wouldn't have to add mutual exclusion throughout bsd.port.mk since
> make guarantees there will be none (if the index is accurate).

I going to add locking for in next version. So 'makeparallel' script
could be useful.

-- 
Dixi.
Sem.