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Date: Tue, 27 May 2014 01:06:30 +0200 (CEST)
From: Gerald Pfeifer <gerald@pfeifer.com>
To: Baptiste Daroussin <bapt@FreeBSD.org>
Subject: Re: svn commit: r355454 - head/lang/gcc410
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Cc: svn-ports-head@freebsd.org, svn-ports-all@freebsd.org,
 Gerald Pfeifer <gerald@FreeBSD.org>, ports-committers@freebsd.org
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On Mon, 26 May 2014, Baptiste Daroussin wrote:
>> +.if exists(/usr/bin/clang) && ${ARCH} == "amd64"
>> +USE_GCC=	yes
>> +.endif
> ARCH is only defined after bsd.port.options.mk or bsd.port.pre.mk

Good catch, Baptiste!

Why does the fix still work then, though?  (Before the patch my
builds on 10.0/amd64 failed, now they work.)

I'm not arguing (testing a fix right now), just trying to understand 
this properly.  If the condition is invald (because ${ARCH} is not set), 
shouldn't the if-statement default to false?

Gerald