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

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Message-ID: <20070822073622.GB1684@ff.dom.local>
Date:	Wed, 22 Aug 2007 09:36:22 +0200
From:	Jarek Poplawski <jarkao2@...pl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Adrian Bunk <bunk@...nel.org>, Andi Kleen <ak@...e.de>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: RFC: drop support for gcc < 4.0

On Tue, Aug 21, 2007 at 01:32:50PM -0700, Linus Torvalds wrote:
> 
> 
> On Tue, 21 Aug 2007, Adrian Bunk wrote:
> > 
> > How many people e.g. test -rc kernels compiled with gcc 3.2?
> 
> How could anybody know?

It shouldn't be so hard:

a) statistically: by doing some random math with:

int number_of_seemingly_gcc3.2_reports_eg_per_rc;
int number_of_all_such_reports_eg_per_rc;
int estimated_number_of_all_users_or_developers;
(or maybe some more...)

b) precisely (or even more): by adding proper and often updated
announcements, e.g:

"drivers/usb/host/ohci-pci.c:202: warning: unused variable `pdev'
(BTW, Angelina and Brad will be very suprised this warning is
yet possible!!!)"

Regards,
Jarek P.
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