linux-kernel - Re: RFC: drop support for gcc

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Message-ID: <20070822181532.GB3362@linux-mips.org>
Date:	Wed, 22 Aug 2007 19:15:32 +0100
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Glauber de Oliveira Costa <glommer@...il.com>
Cc:	Chris Wedgwood <cw@...f.org>, Adrian Bunk <bunk@...nel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jarek Poplawski <jarkao2@...pl>, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, linux-mips@...ux-mips.org
Subject: Re: RFC: drop support for gcc < 4.0

On Tue, Aug 21, 2007 at 05:41:04PM -0300, Glauber de Oliveira Costa wrote:

> Last time I tried a mips build, it would fail the compile unless I was
> using _exactly_ 3.4.4 (I didn't tried older versions, but did try
> 3.4.6, for ex.). So I also think the 3.4 series will still have to be
> around for a while.

I don't know what broken MIPS platform you've tried.  I keep changing
between compiler versions all the time just so I can ensure builds with
older compilers keep working until we officially deciede to drop support
for them.  So the minimum compiler version for 32-bit MIPS kernels is
gcc 3.2 and for 64-bit kernel gcc 3.3.

But for sake of sanity and productivity I definately don't mind dumping
support for gcc < 4.0 or maybe even 4.1.  And while we're at it, let's
deprecate ancient binutils version as well.  A minimum version of 2.17
would be nice as I could get rid of lads of .word sillyness which is
needed to support older binutils.

  Ralf
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