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Date: Mon, 19 Mar 2012 14:39:53 -0700
From: Doug Barton <dougb@FreeBSD.org>
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To: Dimitry Andric <dim@FreeBSD.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org, Bruce Evans <brde@optusnet.com.au>,
	Chris Rees <utisoft@gmail.com>
Subject: Re: svn commit: r233052 - head/share/mk
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On 3/19/2012 12:37 PM, Dimitry Andric wrote:
> It would be much nicer to be able to write:
> 
> .if defined(FOO)
>   .if defined(BAR)
>     CFLAGS+=	-DFOO_BAR
>   .endif
> .endif

Take a look at /usr/ports/Mk/bsd.port.mk for how this can be done.

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