From owner-freebsd-ports@FreeBSD.ORG  Tue Sep  7 16:48:26 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 60D4B16A4CF
	for <ports@freebsd.org>; Tue,  7 Sep 2004 16:48:26 +0000 (GMT)
Received: from sv02.webonaut.com (kirk.webonaut.com [212.41.243.26])
	by mx1.FreeBSD.org (Postfix) with ESMTP id E67E443D41
	for <ports@freebsd.org>; Tue,  7 Sep 2004 16:48:25 +0000 (GMT)
	(envelope-from klammer@webonaut.com)
Received: from localhost (localhost [127.0.0.1])
	by sv02.webonaut.com (Postfix) with ESMTP id 066397642C;
	Tue,  7 Sep 2004 18:48:22 +0200 (CEST)
Received: from sv02.webonaut.com ([127.0.0.1])
 by localhost (sv02.webonaut.com [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id 91474-08; Tue,  7 Sep 2004 18:48:16 +0200 (CEST)
Received: from [192.168.0.9] (sisko.webonaut.com [212.41.243.28])
	by sv02.webonaut.com (Postfix) with ESMTP id E097C76428;
	Tue,  7 Sep 2004 18:48:16 +0200 (CEST)
Message-ID: <413DE656.9000905@webonaut.com>
Date: Tue, 07 Sep 2004 18:48:22 +0200
From: Franz Klammer <klammer@webonaut.com>
User-Agent: Mozilla Thunderbird 0.7.3 (X11/20040810)
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: John Polstra <jdp@polstra.com>
References: <XFMail.20040907092458.jdp@polstra.com>
In-Reply-To: <XFMail.20040907092458.jdp@polstra.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-Virus-Scanned: by amavisd-new at webonaut.com
cc: ports@freebsd.org
Subject: Re: Best way to override user's CFLAGS in a port?
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: Tue, 07 Sep 2004 16:48:26 -0000

John Polstra wrote:
> The ezm3 port has to be built with an optimization level of -O, and
> that's not likely to change any time soon.  Some users, especially
> users of -current where -O2 is officially supported, are getting
> burned by that.  What is the best way for me to change the ezm3 port's
> Makefile so that -O will be used regardless of the user's environment
> or /etc/make.conf settings?
> 

you can add something like this to /etc/make.conf to set
CFLAGS only for lang/ezm3:

.if ${.CURDIR} == "/usr/ports/lang/ezm3"
CFLAGS= -O2 -pipe
.endif

*or*

write your CFLAGS into
/usr/ports/lang/ezm3/Makefile.local

of course you can write CFLAGS+= -O2 if you want only add -O2.

franz

> Thanks,
> John