linux-kernel - Re: CONFIG_KPROBES=y build requires gawk

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Message-ID: <20091217030222.GU14381@ZenIV.linux.org.uk>
Date:	Thu, 17 Dec 2009 03:02:22 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Roland Dreier <rdreier@...co.com>,
	Andrew Isaacson <adi@...are.com>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Rob Landley <rob@...dley.net>
Subject: Re: CONFIG_KPROBES=y build requires gawk

On Wed, Dec 16, 2009 at 06:43:01PM -0800, H. Peter Anvin wrote:
> On 12/16/2009 05:39 PM, Roland Dreier wrote:
> > Is there any reason not to apply the patch below, to allow more awk
> > implementations to be used?  After all, it's not like we're going to put
> > non-ASCII characters into the map file...
> 
> I guess the question is if it will break under any other circumstances,
> but I guess we can find those when we get to them.
> 
> There was a long discussion about the use of awk on IRC today.
> Apparently mawk, in particular, is actively broken, because the
> maintainer believe that POSIX is crap.  There are quite a few issues
> with it, according to reports.
 
still is more compact than gawk, less loaded with GNU "extensions" and
happens to be default on debian and debian-derived userlands.
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