linux-kernel - Re: new binutils needed for arm in 3.12-rc1

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Message-ID: <yw1xpprywhad.fsf@unicorn.mansr.com>
Date:	Tue, 24 Sep 2013 13:11:38 +0100
From:	Måns Rullgård <mans@...sr.com>
To:	Rob Landley <rob@...dley.net>
Cc:	Pavel Machek <pavel@....cz>, Will Deacon <will.deacon@....com>,
	Trivial patch monkey <trivial@...nel.org>,
	Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap\@vger.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-arm-kernel\@lists.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Catalin Marinas <Catalin.Marinas@....com>
Subject: Re: new binutils needed for arm in 3.12-rc1

Rob Landley <rob@...dley.net> writes:

> On 09/23/2013 06:59:17 PM, Pavel Machek wrote:
>> During 3.12-rc, Will Deacon introduced code into arch/arm that
>> requires binutils 2.22.
>
> Um, my toolchain is using the last gplv2 snapshot of binutils out of  
> git, which is just past 2.17 and can build armv7 (but not armv8).
>
> Binutils 2.12->2.22 is quite the jump. (11 years.) I'd except some  
> thought to have gone into that? Possibly a mention of it?

I seriously doubt that 2.12 still works at all (I doubt it can even be
built on a modern system).  In my experience, binutils older than 2.19
or so rarely works properly for ARM.

What value is there in maintaining compatibility with a truly ancient
binutils version anyway?

-- 
Måns Rullgård
mans@...sr.com
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