linux-kernel - Re: [PATCH v2 03/10] compiler-gcc{3,4}.h: Use GCC

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Message-ID: <20121009194551.GA3616@jtriplet-mobl1>
Date:	Tue, 9 Oct 2012 12:45:51 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Daniel Santos <daniel.santos@...ox.com>,
	Daniel Santos <danielfsantos@....net>,
	Borislav Petkov <bp@...en8.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Christopher Li <sparse@...isli.org>,
	David Daney <david.daney@...ium.com>,
	David Howells <dhowells@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	Joe Perches <joe@...ches.com>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	linux-sparse@...r.kernel.org,
	Michel Lespinasse <walken@...gle.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Pavel Pisa <pisa@....felk.cvut.cz>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v2 03/10] compiler-gcc{3,4}.h: Use GCC_VERSION macro

On Tue, Oct 09, 2012 at 11:41:58AM -0700, Andrew Morton wrote:
> On Sun, 07 Oct 2012 13:27:58 -0500
> Daniel Santos <danielfsantos@....net> wrote:
> 
> > We'll have to ask Andrew.  Maybe so he can test on those versions of gcc?
> > 
> > commit d3ffe64a1dbcfe18b57f90f7c01c40c93d0a8b92
> > Author: Andrew Morton <akpm@...ux-foundation.org>
> > Date:   Fri Sep 28 00:02:42 2012 +0000
> > 
> >     a
> >    
> >     Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> > 
> > diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
> > index 934bc34..997fd8a 100644
> > --- a/include/linux/compiler-gcc4.h
> > +++ b/include/linux/compiler-gcc4.h
> > @@ -5,7 +5,7 @@
> >  /* GCC 4.1.[01] miscompiles __weak */
> >  #ifdef __KERNEL__
> >  # if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
> > -#  error Your version of gcc miscompiles the __weak directive
> > +//#  error Your version of gcc miscompiles the __weak directive
> 
> hm, yeah, sorry, I use various old crufty cross-compilers.

Ah, for build testing where you don't actually care if the resulting
kernel runs?

- Josh Triplett
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