Message-ID: <1388999220.5891.3.camel@jlt4.sipsolutions.net> (sfid-20140106_100749_851549_63D9AA9B)
Subject: Re: [PATCH 4/11]  use ether_addr_equal_64bits
From: Johannes Berg <johannes@sipsolutions.net>
To: Julia Lawall <julia.lawall@lip6.fr>
Cc: Joe Perches <joe@perches.com>,
	Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
	kernel-janitors@vger.kernel.org,
	Emmanuel Grumbach <emmanuel.grumbach@intel.com>,
	Intel Linux Wireless <ilw@linux.intel.com>,
	"John W. Linville" <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Date: Mon, 06 Jan 2014 10:07:00 +0100
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On Mon, 2014-01-06 at 10:04 +0100, Julia Lawall wrote:

> OK, the question was expressed badly.  Is there any way to use the value
> to trigger an action at build time?  The only way I kow to trigger an
> action is with #error, but #error is processed by cpp, which doesn't know
> about the size of types.

That's exactly BUILD_BUG_ON(), I believe.

johannes