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From: Eitan Adler <lists@eitanadler.com>
Date: Mon, 23 Jan 2012 15:18:06 -0500
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To: Michael Scheidell <scheidell@freebsd.org>
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Cc: ports@freebsd.org
Subject: Re: confused: RUN_DEPENDS=${BUILD_DEPENDS} vs = vs duplication
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Quick explanation: I was confused by some of portmgr@'s comments and
thought they were speaking with a hat on instead of personal
preference.

On Mon, Jan 23, 2012 at 3:09 PM, Michael Scheidell
<scheidell@freebsd.org> wrote:
> I am SO confused.
>
> One helpful person told me:
> don't do this:
>
> BUILD_DEPENDS=3D =C2=A0daq>=3D0.6.2:${PORTSDIR}/net/daq \
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0${LOCALBASE}/lib/l=
ibnet11/libnet.a:${PORTSDIR}/net/libnet
> RUN_DEPENDS=3D =C2=A0 =C2=A0daq>=3D0.6.2:${PORTSDIR}/net/daq \
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0${LOCALBASE}/lib/l=
ibnet11/libnet.a:${PORTSDIR}/net/libnet

This is fine


> or this
>
> RUN_DEPENDS=3D${BUILD_DEPENDS}

This is broken

> But, do this:
>
> RUN_DEPENDS:=3D ${BUILD_DEPENDS}.

This is fine

> Explicit duplication> =C2=A0:=3D> =C2=A0=3D and this just moves ports one=
 step to the left

Ignore this comment

> so, behind the covers, does :=3D do something BAD?

No. The paragraph at the end of
http://www.freebsd.org/doc/en/books/porters-handbook/makefile-depend.html#A=
EN2173
is correct.


--=20
Eitan Adler