Date: Sun, 13 Feb 2011 14:44:03 +0000
From: Chris Rees <utisoft@gmail.com>
To: Helmut Schneider <jumper99@gmx.de>
Cc: freebsd-ports@freebsd.org
Subject: Re: Makefile, ${VARIABLE}= vs. ${VARIABLE}?=
Message-ID: <AANLkTimQk6%2B4Y8o0M6qPtC_gg157JxruSkAWT%2Bg7TXYq@mail.gmail.com>
In-Reply-To: <xn0habnig1jczkg007@news.gmane.org>
References: <xn0habnig1jczkg007@news.gmane.org>
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On 13 February 2011 14:14, Helmut Schneider <jumper99@gmx.de> wrote: > Hi, > > [helmut@BSDHelmut ~]$ grep -ir latest /usr/ports/www/apache2? > /usr/ports/www/apache20/Makefile:LATEST_LINK=3D =A0 apache20 > /usr/ports/www/apache22/Makefile:LATEST_LINK?=3D =A0apache22 > [helmut@BSDHelmut ~]$ > > So, what's the difference between e.g. "LATEST_LINK=3D" and > "LATEST_LINK?=3D"? > > Thanks, Helmut > ?=3D can be overridden in make.conf or on the command line. =3D clobbers all previous definitions. Chris
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