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From: David Gibson <david@gibson.dropbear.id.au>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>
Subject: Re: Don't use HOSTCFLAGS in BOOTCFLAGS
Date: Tue, 29 May 2007 16:33:47 +1000	[thread overview]
Message-ID: <20070529063347.GA8404@localhost.localdomain> (raw)
In-Reply-To: <5dbbc18a80b465a00d6bbb764c06af86@kernel.crashing.org>

On Tue, May 29, 2007 at 08:26:49AM +0200, Segher Boessenkool wrote:
> >> Also, is there any reason why you can't simply use $(CC) -m32 with
> >> the kernel $(CFLAGS) ?
> >
> > I did think about that.  But the kernel CFLAGS does includes
> > -ffixed-r2 and -Iarch/powerpc which I don't think we want here.
> 
> Both of these should be fairly harmless.  But sure, it
> is cleaner to have separate flags -- the booter and the
> kernel run in different environments, after all.

Well, the -I is potentially dangerous, because it allows people to get
away with header file dependecies outside the booter specific headers.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

  reply	other threads:[~2007-05-29  6:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-29  3:29 Don't use HOSTCFLAGS in BOOTCFLAGS David Gibson
2007-05-29  5:12 ` Segher Boessenkool
2007-05-29  5:34   ` David Gibson
2007-05-29  6:26     ` Segher Boessenkool
2007-05-29  6:33       ` David Gibson [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-05-29  5:37 David Gibson
2007-05-29 14:21 ` Josh Boyer

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