From owner-freebsd-ports@FreeBSD.ORG  Fri Jun  8 13:15:47 2012
Return-Path: <owner-freebsd-ports@FreeBSD.ORG>
Delivered-To: ports@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id AB10B106566B;
	Fri,  8 Jun 2012 13:15:47 +0000 (UTC)
	(envelope-from vmagerya@gmail.com)
Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com
	[209.85.217.182])
	by mx1.freebsd.org (Postfix) with ESMTP id EEB038FC17;
	Fri,  8 Jun 2012 13:15:46 +0000 (UTC)
Received: by lbon10 with SMTP id n10so1640521lbo.13
	for <multiple recipients>; Fri, 08 Jun 2012 06:15:46 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
	h=message-id:date:from:user-agent:mime-version:to:cc:subject
	:references:in-reply-to:content-type:content-transfer-encoding;
	bh=x7r8KRzjVrrNSLIA6QVJc3SMR1C0sjYwIA/CmntPQcI=;
	b=Dsf4Dtc69TjJrqJKrOxF5sRUgYPOwgMv6rbsWhXzUFog4D9p3gnWvftl8m1qcR+zfs
	bASh64UrqqMga8ijVSNQd2fAH7R1qoWqciIVPL8t8pG/7MPrQRbk6TRCqgyRITUNpMIx
	ZmQ+oDYoIJIQMhO8Sgyu5QToUfPNLSUcHjdSyBIcnKyL5U9Dr/Q6Vw0gd7KMLlqgYa+t
	cdonNajbJsaN4Y0zXMfpF29Pz1eksxDmSZN3lI5Yq7HstrEHABZjFq6Q0N22NT4YX/mX
	NYHphLjbuLndp2CbJ1cHWIvAqmwAmw5wNVF7k4+12m1YC0g5EBlDM4URqSnywYVWUJ3x
	Ip5A==
Received: by 10.112.36.132 with SMTP id q4mr3905956lbj.63.1339161345929;
	Fri, 08 Jun 2012 06:15:45 -0700 (PDT)
Received: from [172.29.1.142] (altimet-gw.cs2.dp.wnet.ua. [217.20.178.249])
	by mx.google.com with ESMTPS id fy10sm9687001lab.0.2012.06.08.06.15.43
	(version=TLSv1/SSLv3 cipher=OTHER);
	Fri, 08 Jun 2012 06:15:44 -0700 (PDT)
Message-ID: <4FD1FAC7.9090507@gmail.com>
Date: Fri, 08 Jun 2012 16:14:47 +0300
From: Vitaly Magerya <vmagerya@gmail.com>
User-Agent: Thunderbird
MIME-Version: 1.0
To: Bryan Drewery <bryan@shatow.net>
References: <20120603184448.GI92976@ithaqua.etoilebsd.net>
	<4FCCB88B.6030007@shatow.net> <4FD1F531.2030609@shatow.net>
In-Reply-To: <4FD1F531.2030609@shatow.net>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Cc: ports@FreeBSD.org, Baptiste Daroussin <bapt@FreeBSD.org>
Subject: Re: [HEADSUP] Please convert your ports to new options framework
X-BeenThere: freebsd-ports@freebsd.org
X-Mailman-Version: 2.1.5
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: Fri, 08 Jun 2012 13:15:47 -0000

Bryan Drewery wrote:
> Another common question is how to check if an option is not set. We all
> try !${PORT_OPTIONS:MFOO} to find it does not work.

    $ cat Makefile
    all:
    .if ${LIST:MFOO}
    	@echo HAVE FOO
    .endif
    .if !${LIST:MFOO}
    	@echo NO FOO
    .endif

    $ make LIST=FOO
    HAVE FOO

    $ make LIST=BAR
    NO FOO

Seems to work fine. What am I missing?