From: DervishD <lkml@dervishd.net>
To: coywolf@lovecn.org
Cc: lkml <linux-kernel@vger.kernel.org>, sam@ravnborg.org
Subject: Re: [question] pass CONFIG_FOO to CC problem
Date: Wed, 22 Jun 2005 20:12:07 +0200 [thread overview]
Message-ID: <20050622181207.GC57@DervishD> (raw)
In-Reply-To: <2cd57c90050622013937d2c209@mail.gmail.com>
Hi Coywolf :)
* Coywolf Qi Hunt <coywolf@gmail.com> dixit:
> I was expecting kbuild passes CONFIG_FOO from .config to CC
> -DCONFIG_FOO, but it doesn't. So I have to add
>
> ifdef CONFIG_FOO
> EXTRA_CFLAGS += -DCONFIG_FOO
> endif
NO! You don't do it that way in the kernel. Think: if you have to
pass a '-D' option for each config item you set, you will end up with
TONS of '-D' options, in fact you probably exceed the command line
size limit.
You have to include <linux/config.h> if I recall correctly ;)
Good luck!
Raúl Núñez de Arenas Coronado
--
Linux Registered User 88736 | http://www.dervishd.net
http://www.pleyades.net & http://www.gotesdelluna.net
It's my PC and I'll cry if I want to...
next prev parent reply other threads:[~2005-06-22 18:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-22 8:39 [question] pass CONFIG_FOO to CC problem Coywolf Qi Hunt
2005-06-22 9:54 ` Ian Campbell
2005-06-22 10:11 ` Coywolf Qi Hunt
2005-06-22 18:12 ` DervishD [this message]
2005-06-23 2:04 ` Coywolf Qi Hunt
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