linux-kernel - Re: [PATCH] perf: fix Makefile check for libdward

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4BF197F3.1030803@redhat.com>
Date:	Mon, 17 May 2010 15:24:35 -0400
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	eranian@...gle.com
CC:	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
	paulus@...ba.org, davem@...emloft.net, fweisbec@...il.com,
	acme@...radead.org, perfmon2-devel@...ts.sf.net, eranian@...il.com
Subject: Re: [PATCH] perf: fix Makefile check for libdward

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@...hat.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/