linux-kernel - Re: [PATCH] checkpatch: enforce sane perl version

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Date:	Mon, 29 Jul 2013 13:10:13 -0700
From:	Joe Perches <joe@...ches.com>
To:	Dave Hansen <dave@...1.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andy Whitcroft <apw@...onical.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] checkpatch: enforce sane perl version

On Mon, 2013-07-29 at 13:06 -0700, Dave Hansen wrote:
> From: Dave Hansen <dave.hansen@...ux.intel.com>
> 
> I got a bug report from a couple of users who said
> checkpatch.pl was broken for them.  It was erroring out on
> fairly random lines most commonly with messages like:
> 
> 	Nested quantifiers in regex; marked by <--HERE in m/(\((?:[^\(\)]++ <-- HERE |(?-1))*\))/ at ./checkpatch.pl line 340.
> 
> The bug reporter was running a version of perl 5.8 which was
> end-of-lifed in 2008: http://www.cpan.org/src/.  Versions of perl
> this old are at _best_ quite untested.  At worst, they are crusty
> and known to be completely broken.
> 
> If folks have a system _that_ old, then we should have mercy on
> them and give them a half-decent error message rather than fail
> with nutty error messages.
> 
> This patch enforces that checkpatch.pl is run with perl 5.10,
> which was end-of-lifed in 2009.  The new --ignore-perl-version
> command-line switch will let folks override this if they want.
> 
> Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>

Other than Andrew Morton's (continuing?) use of perl 5.8
I'm fine with this.

Andrew?  Time to update your perl version?


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