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From: Robert Richter <robert.richter@amd.com>
To: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	lkml <linux-kernel@vger.kernel.org>,
	systemtap <systemtap@sources.redhat.com>,
	DLE <dle-develop@lists.sourceforge.net>
Subject: Re: [PATCH -tip] perf probe: Check older elfutils and set NO_DWARF
Date: Tue, 11 May 2010 12:41:08 +0200	[thread overview]
Message-ID: <20100511104108.GK6450@erda.amd.com> (raw)
In-Reply-To: <20100511045953.9913.19485.stgit@localhost6.localdomain6>

On 11.05.10 00:59:53, Masami Hiramatsu wrote:
> Check whether elfutils is older than 0.138 (from which version checking
> routine has been introduced). And if so, set NO_DWARF because it is hard
> to check the API dependency without version checking.

This works for me, now the DWARF_SUPPORT macro is undefined and a
warning is generated:

Makefile:510: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev

Thanks,

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@amd.com


  reply	other threads:[~2010-05-11 10:41 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-10 17:12 [PATCH -tip] perf probe: Don't compile CFI related code if elfutils is old Masami Hiramatsu
2010-05-10 17:28 ` Arnaldo Carvalho de Melo
2010-05-10 18:36   ` Robert Richter
2010-05-10 18:57     ` Arnaldo Carvalho de Melo
2010-05-10 18:57     ` Masami Hiramatsu
2010-05-10 19:15       ` Arnaldo Carvalho de Melo
2010-05-10 19:19         ` Masami Hiramatsu
2010-05-11  4:59           ` [PATCH -tip] perf probe: Check older elfutils and set NO_DWARF Masami Hiramatsu
2010-05-11 10:41             ` Robert Richter [this message]
2010-05-12  8:40             ` [tip:perf/core] " tip-bot for Masami Hiramatsu
2010-05-11  8:12           ` [PATCH -tip] perf probe: Don't compile CFI related code if elfutils is old Mark Wielaard
2010-05-18  1:57 ` [tip:perf/core] " tip-bot for Masami Hiramatsu
2010-05-18  9:35   ` Robert Richter
2010-05-18  9:39     ` Stephane Eranian
2010-05-18 10:18       ` Robert Richter
2010-05-18 14:03       ` acme

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