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From: Namhyung Kim <namhyung@kernel.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: linux-kernel@vger.kernel.org, Corey Ashford <cjashfor@linux.vnet.ibm.com>,
        Ingo Molnar <mingo@elte.hu>, Paul Mackerras <paulus@samba.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        David Ahern <dsahern@gmail.com>
Subject: Re: [PATCH 1/3] perf tools: Separate lbfd check out of NO_DEMANGLE condition
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Date: Wed, 02 Oct 2013 17:38:13 +0900
In-Reply-To: <20131002081757.GA3496@krava.brq.redhat.com> (Jiri Olsa's message
	of "Wed, 2 Oct 2013 10:17:57 +0200")
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Hi Jiri,

On Wed, 2 Oct 2013 10:17:57 +0200, Jiri Olsa wrote:
> On Wed, Oct 02, 2013 at 10:18:32AM +0900, Namhyung Kim wrote:
>> It seems that it needs libdl for loading plugins.  Adding -ldl makes
>> above build successfully.  So we need to add -ldl for EXTLIBS IMHO.
>> Without it, make NO_GTK2=1 NO_LIBPERL=1 NO_LIBPYTHON=1 will fail to
>> check libbfd correctly (FYI, libperl and libpython add -ldl to the
>> dependency list).
>
> hum, so on my system -liberty check wins without -lbfd,
> so 'NO_GTK2=1 NO_LIBPERL=1 NO_LIBPYTHON=1' passes
>
> I need to check Ingo's latest changes on this, not sure how
> if this problem is relevant any longer ;-)

AFAICS, Ingo's patch does "-lbfd -ldl" rather than "-lbfd".  So probably
there's no problem then. :)

Thanks,
Namhyung