From owner-freebsd-ports@FreeBSD.ORG  Thu Jun 17 18:03:03 2004
Return-Path: <owner-freebsd-ports@FreeBSD.ORG>
Delivered-To: freebsd-ports@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id A021116A4CE
	for <ports@freebsd.org>; Thu, 17 Jun 2004 18:03:03 +0000 (GMT)
Received: from bast.unixathome.org (bast.unixathome.org [66.11.174.150])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 5DBF643D2D
	for <ports@freebsd.org>; Thu, 17 Jun 2004 18:03:03 +0000 (GMT)
	(envelope-from dan@langille.org)
Received: from wocker (wocker.unixathome.org [192.168.0.99])
	by bast.unixathome.org (Postfix) with ESMTP
	id 016DE3D3E; Thu, 17 Jun 2004 14:02:46 -0400 (EDT)
From: "Dan Langille" <dan@langille.org>
To: "Cyrille Lefevre" <clefevre-lists@9online.fr>
Date: Thu, 17 Jun 2004 14:02:46 -0400
MIME-Version: 1.0
Message-ID: <40D1A486.30848.7BFCFF11@localhost>
Priority: normal
In-reply-to: <04b701c4547a$68a0d2d0$7890a8c0@dyndns.org>
X-mailer: Pegasus Mail for Windows (v4.12a)
Content-type: text/plain; charset=US-ASCII
Content-transfer-encoding: 7BIT
Content-description: Mail message body
cc: ports@freebsd.org
Subject: Re: HEADS UP - master/slave ports
X-BeenThere: freebsd-ports@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Porting software to FreeBSD <freebsd-ports.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-ports>,
	<mailto:freebsd-ports-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-ports>
List-Post: <mailto:freebsd-ports@freebsd.org>
List-Help: <mailto:freebsd-ports-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-ports>,
	<mailto:freebsd-ports-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 17 Jun 2004 18:03:03 -0000

On 17 Jun 2004 at 16:50, Cyrille Lefevre wrote:

> "Roman Neuhauser" <neuhauser@chello.cz> wrote:
> >     Ugh, I see; I was confusing this with another feature... That would
> >     make it
> > 
> >     _REALPORTSDIR!=     ${REALPATH} "${PORTSDIR}"
> >     _REALMASTERDIR!=    ${REALPATH} "${MASTERDIR}"
> >     MASTERPORT=     ${_REALMASTERDIR:S,^${_REALPORTSDIR}/,,}
> > 
> >     and I'm not sure that's any better than what you had originally.
> > 
> >     But, what will both versions output in databases/mysql40-client?
> 
> there is no need to fork any sub-processes :
> 
> # Try to determine if we are a slave port.  These variables are used by
> # FreshPorts and portsmon, but not yet by the ports framework itself.
> _MASTERDIR=   ${MASTERDIR:C,/([^/]+)/\.\.,,:C,/([^/]+)/\.\.,,}
> 
> .if ${_MASTERDIR} != ${.CURDIR}
> IS_SLAVE_PORT?=        yes
> # take your pick :
> # _PORTSDIR=    ${_MASTERDIR:C|([^/]+/[^/]+)/?$||}
> # MASTERPORT=   ${_MASTERDIR:C|${_PORTSDIR}||}

real    15m24.018s
user    10m39.785s
sys     4m35.054s

> # or
> MASTERPORT=     ${_MASTERDIR:H:T}/${_MASTERDIR:T}

real    15m23.343s
user    10m39.088s
sys     4m34.888s

> .else
> IS_SLAVE_PORT?=        no
> MASTERPORT=
> .endif

These appear to be slightly faster than the previous stats I posted.  
Everything is pratically identical in user time.  sys is where the 
savings are being made. 
-- 
Dan Langille : http://www.langille.org/
BSDCan - http://www.bsdcan.org/