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From: Masami Hiramatsu <mhiramat@redhat.com>
To: eranian@google.com
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
	mingo@elte.hu, paulus@samba.org, davem@davemloft.net,
	fweisbec@gmail.com, acme@infradead.org,
	perfmon2-devel@lists.sf.net, eranian@gmail.com
Subject: Re: [PATCH] perf: fix Makefile check for libdward
Date: Mon, 17 May 2010 15:24:35 -0400	[thread overview]
Message-ID: <4BF197F3.1030803@redhat.com> (raw)
In-Reply-To: <4bf194a4.5cebd80a.2e1f.ffffcc32@mx.google.com>

Hi Stephane,

Stephane Eranian wrote:
> On Ubuntu 9.10, the elfutils/libdw package is 0.141, yet it is
> not sufficient to compile util/probe-finder.c as it uses a type,
> namely Dwarf_CFI, which is introduced sometime after version 0.141.
> 
> This patch updates the libdwarf test in the Makefile to check
> for the definition of Dwarf_CFI. If is is not there, the test
> fails and dwarf support is disabled.
> 
> It is not clear to me which version introduces Dwarf_CFI,
> thus I adjusted the version message to 0.142, could be more
> recent.

Yeah, I see. I had sent a fix patch which just ignores Dwarf_CFI
related code if the libdw version is younger than supporting it.
Could you try the patch here?

https://patchwork.kernel.org/patch/98216/

Thank you,

-- 
Masami Hiramatsu
e-mail: mhiramat@redhat.com

  reply	other threads:[~2010-05-17 19:25 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-17 19:04 [PATCH] perf: fix Makefile check for libdward Stephane Eranian
2010-05-17 19:24 ` Masami Hiramatsu [this message]
2010-05-17 19:36   ` Stephane Eranian

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