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Date: Fri, 10 Apr 2015 14:37:31 +0200
From: Mathieu Arnold <mat@FreeBSD.org>
To: Alexey Dokuchaev <danfe@FreeBSD.org>, Bartek Rutkowski <robak@FreeBSD.org>
Subject: Re: svn commit: r383718 - head/devel/libtool
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 <20150410111225.GA51618@FreeBSD.org>
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+--On 10 avril 2015 11:12:25 +0000 Alexey Dokuchaev <danfe@FreeBSD.org>
wrote:
| On Fri, Apr 10, 2015 at 11:10:59AM +0000, Bartek Rutkowski wrote:
|> New Revision: 383718
|> URL: https://svnweb.freebsd.org/changeset/ports/383718
|> 
|> Log:
|>   devel/libtool: add CPE information
|> [...]
|> -USES+=		makeinfo
|> +USES+=		cpe makeinfo
| 
| Can you elaborate a bit on why += is necessary here (and other similar
| commits)?

In this case, it was there before, there's a include of a Makefile.common
for the libtool madness, and it already has USES. (including USES=cpe, like
antoine said.)

-- 
Mathieu Arnold