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Date: Sat, 12 Apr 2014 03:09:04 -0500
Message-ID: <CACdU+f-HKC8r+AisMPrQJ09YRNcQ1Kw7pcUSSoC0u9GRzypfgA@mail.gmail.com>
Subject: Re: FreeBSD Port: rubygem-passenger-4.0.41_2
From: Scot Hetzel <swhetzel@gmail.com>
To: Steven Hartland <killing@multiplay.co.uk>
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Cc: FreeBSD Ports <ports@freebsd.org>, David Keller <david.keller@litchis.fr>,
 "Sergey A. Osokin" <osa@freebsd.org>
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On Fri, Apr 11, 2014 at 5:51 PM, Steven Hartland
<killing@multiplay.co.uk> wrote:
> The change is from :N -> :M
> .if ${PORT_OPTIONS:MDEBUG}
>
 - Select only those words that match DEBUG

> Which occurs 220 in the port tree and:
>
> .if ${PORT_OPTIONS:NDEBUG}
>
- Select words that don't match DEBUG

> Which only occurs twice, so TBH I assumed it was a typo given every other
> option uses PORTOPTIONS:M${option}
>
> Unfortunately the docs don't seem to provide any clarification
> http://www.freebsd.org/doc/en/books/porters-handbook/makefile-options.html
> so if anyone could chime in with some details on the exact meanings that
> would be most appreciated.
>
You have to read the make(1) man page:

http://www.freebsd.org/cgi/man.cgi?query=make&sektion=1