mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Arnaldo Carvalho de Melo <acme@infradead.org>
To: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Robert Richter <robert.richter@amd.com>,
	Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>,
	systemtap <systemtap@sources.redhat.com>,
	Roland McGrath <roland@redhat.com>,
	DLE <dle-develop@lists.sourceforge.net>
Subject: Re: [PATCH -tip] perf probe: Don't compile CFI related code if elfutils is old
Date: Mon, 10 May 2010 16:15:01 -0300	[thread overview]
Message-ID: <20100510191501.GC19192@ghostprotocols.net> (raw)
In-Reply-To: <4BE8571E.4020403@redhat.com>

Em Mon, May 10, 2010 at 02:57:34PM -0400, Masami Hiramatsu escreveu:
> Hmm, ok, version.h is also introduced at the same time.
> 
> # git log ./config/version.h.in
> commit fbc7245df72ce0142f0a21fa0f4f88c97278bf60
> Author: Roland McGrath <roland@redhat.com>
> Date:   Tue Dec 16 17:03:03 2008 -0800
> 
>     Install elfutils/version.h header for library compatibility checking.
> 
> So, I think we'd better set NO_DWARF if the elfutils
> is older than 0.138, since we can't check API compatibility
> easily.

Well, for that you can just add some of the code you ifdefed in this
patch into the tools/perf/Makefile test, or better, duplicate the test,
including just the CPI stuff in the new test, and then set NO_DWARF_CFI
and use it as the ifdef condition :-)

- Arnaldo

  reply	other threads:[~2010-05-10 19:15 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-10 17:12 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 [this message]
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
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100510191501.GC19192@ghostprotocols.net \
    --to=acme@infradead.org \
    --cc=dle-develop@lists.sourceforge.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mhiramat@redhat.com \
    --cc=mingo@elte.hu \
    --cc=robert.richter@amd.com \
    --cc=roland@redhat.com \
    --cc=systemtap@sources.redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

Powered by JetHome