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Date: Wed, 22 Oct 2008 10:21:09 -0500
From: "Hollis Blanchard" <hollis@alumni.cmu.edu>
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To: "Paul Mackerras" <paulus@samba.org>
Subject: Re: build failure on powerpc with current -git
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Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Linux kernel <linux-kernel@vger.kernel.org>, linuxppc-dev@ozlabs.org
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(Oops, resending in plain text...)

On Tue, Oct 21, 2008 at 10:58 PM, Paul Mackerras <paulus@samba.org> wrote:
>
> Stephen Rothwell writes:
>
> > On Tue, 21 Oct 2008 16:33:10 +1100 Paul Mackerras <paulus@samba.org> wrote:
> > >
> > > It's a bug in older versions of ld (including 2.16.1) that's fixed in
> > > the current version (2.18).  However, this patch appears to work
> > > around the problem - at least, it let me build a 32-bit kernel with a
> > > cross-toolchain including a 2.16.1 ld.  Let me know if this gets it
> > > working for you.
> >
> > With that patch applied I got these errors for a powerpc ppc64_defconfig
> > build (linux-next).
> >
> > /usr/bin/objcopy: Warning: '/dev/null' is not an ordinary file
>
> Hmmm, so do I, and in fact the arch/powerpc/boot/wrapper change now
> seems to be unnecessary with my cross-compile setup (which has ld
> 2.16.1), whereas yesterday I'm sure it got errors.  Weird.
>
> Chris, could you try just the following change (my previous patch
> without the arch/powerpc/boot/wrapper change) and let me know if it
> fixes things with the ld you use?

Works for me.

binutils 2.16.1 is the most recent binutils that will build with
crosstool, so IMHO it's worth supporting. :)

-Hollis