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From: Andy Lutomirski <luto@amacapital.net>
Date: Tue, 3 Nov 2015 10:43:01 -0800
Message-ID: <CALCETrWpR-7H3x0XF9UFwNbMNgGUGddk0tST69hjncjZVVGYrQ@mail.gmail.com>
Subject: Re: [Bug gold/19197] gold trunk cannot build LInux kernel
To: markus at trippelsdorf dot de 
	<sourceware-bugzilla@sourceware.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        X86 ML <x86@kernel.org>
Cc: Andrew Lutomirski <luto@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Andi Kleen <andi@firstfloor.org>
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On Tue, Nov 3, 2015 at 8:04 AM, markus at trippelsdorf dot de
<sourceware-bugzilla@sourceware.org> wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=19197
>
> Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
>
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |luto at kernel dot org
>
> --- Comment #8 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
> Andy, would it be possible to just get rid of LDFLAGS for the x86 kernel?
>
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index 747860c696e1..b786a2ce58b5 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -169,8 +169,6 @@ avx2_instr :=$(call as-instr,vpbroadcastb
> %xmm0$(comma)%ymm1,-DCONFIG_AS_AVX2=1)
>  KBUILD_AFLAGS += $(asinstr) $(avx_instr) $(avx2_instr)
>  KBUILD_CFLAGS += $(asinstr) $(avx_instr) $(avx2_instr)
>
> -LDFLAGS := -m elf_$(UTS_MACHINE)
> -
>  # Speed up the build
>  KBUILD_CFLAGS += -pipe
>  # Workaround for a gcc prelease that unfortunately was shipped in a suse
> release
>
> Currently it calls "ld -m elf_x86_64" and then uses OUTPUT_ARCH(i386) in
> linker scripts several times during the build.
>

I don't know the history here.  hpa?  Andi?

Presumably we could strip the problematic -m argument from just the
32-bit things is we care.

--Andy
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