From mboxrd@z Thu Jan  1 00:00:00 1970
From: Horst Kronstorfer <u-boot@aon.at>
Date: Tue, 24 Jul 2012 12:11:04 +0200
Subject: [U-Boot] [PATCH] dts/Makefile: Turn off system-/gcc-specific
 predefined macros
In-Reply-To: <201207182322.05798.vapier@gentoo.org>
References: <1342184620-31448-1-git-send-email-hkronsto@frequentis.com>
	<201207182322.05798.vapier@gentoo.org>
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On 07/19/2012 05:22 AM, Mike Frysinger wrote:
> On Friday 13 July 2012 09:03:40 Horst Kronstorfer wrote:
>> Add '-undef' to DTS_CPPFLAGS to avoid unwanted expansion of dts content
>> that matches system-specific or gcc-specific predefined macros.
>>
>> Example: A number of PowerPC related *.dts files in the kernel define a
>> property named 'linux,network-index' which (w/o '-undef') is expanded to
>> '1,network-index' by the preprocessor because of '#define linux 1.'
>
> i think you should use -ansi instead.  that's what we use in other places for
> the same reason.
> -mike
>

this would increase the probability of a name clash.

-h

>
>
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