linux-kernel - Re: [PATCH] kernel: add support for gcc 5

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Message-ID: <5409D0EA.8000203@zytor.com>
Date:	Fri, 05 Sep 2014 08:04:10 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Weinberger <richard.weinberger@...il.com>
CC:	Sasha Levin <sasha.levin@...cle.com>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, stable@...r.kernel.org,
	Greg KH <greg@...ah.com>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: Re: [PATCH] kernel: add support for gcc 5

On 09/04/2014 02:25 PM, Andrew Morton wrote:
>>
>> CC'ing Hannes, he sent a much simpler gcc5 patch a few days ago.
>> https://lkml.org/lkml/2014/8/26/710
> 
> That approach won't last for long - as soon as we add some
> gcc5-specific thing, we'll need a new file.
> 
> Let history be a guide:
> 
> diff -u include/linux/compiler-gcc3.h include/linux/compiler-gcc4.h

It seems much saner to do that branching when we actually need to.  In
the meantime I suspect that a handful of redefinitions would actually be
cleaner.

	-hpa


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