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Date: Mon, 23 Jan 2012 15:09:22 -0500
From: Michael Scheidell <scheidell@freebsd.org>
Organization: SECNAP Network Security Corp
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Cc: 
Subject: confused: RUN_DEPENDS=${BUILD_DEPENDS} vs = vs duplication
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I am SO confused.

One helpful person told me:
don't do this:

BUILD_DEPENDS=	daq>=0.6.2:${PORTSDIR}/net/daq \
		${LOCALBASE}/lib/libnet11/libnet.a:${PORTSDIR}/net/libnet
RUN_DEPENDS=	daq>=0.6.2:${PORTSDIR}/net/daq \
		${LOCALBASE}/lib/libnet11/libnet.a:${PORTSDIR}/net/libnet


or this

RUN_DEPENDS=${BUILD_DEPENDS}

But, do this:

RUN_DEPENDS:= ${BUILD_DEPENDS}.

(if they are truly == before kbobs..)

so, for each PR i have taken, I have looked at them (portlint -C 
complains with RUN_DEPENDS=${BUILD_DEPENDS})

but, I read this and it seems you DON'T want RUN_DEPENDS:=${BUILD_DEPENDS}:

am I reading this wrong?
<http://www.freebsd.org/cgi/cvsweb.cgi/ports/security/swatch/Makefile>
"

At the moment 1385 ports use BUILD_DEPENDS= ${RUN_DEPENDS} and 450
ports use BUILD_DEPENDS:= ${RUN_DEPENDS}. This patch fixes ports that are
currently broken. This is a temporary measure until we organically stop using
:= or someone(s) spend a lot of time changing all the ports over.

Explicit duplication>  :=>  = and this just moves ports one step to the left

"
I am fine if I know, but I just get tired of being told its wrong, no 
matter what I do.

(ps, that small change, and a recompile  made tinderbox recompile 19 
modules.. that didn't change except for that change)

so, behind the covers, does := do something BAD?




-- 
Michael Scheidell, CTO
o: 561-999-5000
d: 561-948-2259
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