From owner-freebsd-ports@FreeBSD.ORG Sun Feb 13 15:05:29 2011 Return-Path: Delivered-To: freebsd-ports@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 20BB6106566B for ; Sun, 13 Feb 2011 15:05:29 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id DC4558FC18 for ; Sun, 13 Feb 2011 15:05:28 +0000 (UTC) Received: by iyb26 with SMTP id 26so4031644iyb.13 for ; Sun, 13 Feb 2011 07:05:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=domainkey-signature:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=C0jqgelHfMwHxEKIHA9Hoa6daviu4Wvl95S+OV9nshg=; b=dDU9U18aV5oEzJpUjxluFpJiErCxMcVrs7r0O8uBEpRRCJH3vypgUDPeN37N5sMGVs fNLgwkmXV0E1PVt32Dy96dt4WnASKV3byLWQh2PkPAJtXh/1Y0otLXJdOXnfo4pDbgwL KCIQcn4BSmrVUaWdxmPe7OHstIoAq7zWe6t94= DomainKey-Signature: a=rsa-sha1; c=nofws; d=eitanadler.com; s=0xdeadbeef; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=LdM6it4o5ksYBNHPl3cnsBRv6ynIG4kYHzmwo7M8zw0+/ypifsvse2Ix3Cg9bpQzzi LUB8tquyV8ZgjVystY1dLEH/wLZ/eQrgEskjQmFEDD/cQshIuhDTqKjpDR1SVJbti10y +opk9yx4RX/fUH719TRSWTu7bb77ESV/BKKZE= Received: by 10.42.221.67 with SMTP id ib3mr1169900icb.318.1297609528223; Sun, 13 Feb 2011 07:05:28 -0800 (PST) MIME-Version: 1.0 Received: by 10.231.183.134 with HTTP; Sun, 13 Feb 2011 07:03:16 -0800 (PST) In-Reply-To: References: From: Eitan Adler Date: Sun, 13 Feb 2011 10:03:16 -0500 Message-ID: To: Helmut Schneider Content-Type: text/plain; charset=UTF-8 Cc: freebsd-ports@freebsd.org Subject: Re: Makefile, ${VARIABLE}= vs. ${VARIABLE}?= X-BeenThere: freebsd-ports@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting software to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Feb 2011 15:05:29 -0000 > > Is it up to the maintainer to decide which variables shall be > overwritable, or are there rules? > Generally one wants to respect as much of the user's wishes as they can. So things like CC, CFLAGS, CPP, CXX, etc should have a question mark. MAINTAINER and other internal port variable are generally safe without the question mark. If the event your port has a slave than even these variables need to have question marks. -- Eitan Adler