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Subject: Re: [PATCH -tip v3 5/9] perf probe: Use elfutils-libdw for  analyzing debuginfo
From: Peter Zijlstra <peterz@infradead.org>
To: Roland McGrath <roland@redhat.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>, Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>, systemtap <systemtap@sources.redhat.com>, DLE <dle-develop@lists.sourceforge.net>, Frederic Weisbecker <fweisbec@gmail.com>,  Arnaldo Carvalho de Melo <acme@redhat.com>, Paul Mackerras <paulus@samba.org>, Mike Galbraith <efault@gmx.de>, "K.Prasad" <prasad@linux.vnet.ibm.com>, Ulrich Drepper <drepper@redhat.com>
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On Tue, 2010-02-23 at 12:49 -0800, Roland McGrath wrote:
> > +	BASIC_CFLAGS += -I/usr/include/elfutils
> 
> The normal method is to use:
> 
> 	#include <elfutils/libdw.h>
> 
> Note that <dwarf.h> and <libelf.h> are not in the subdirectory.

We've had funny issues with distro's being inconsistent in placing those
files, so we chose this route of a direct include and playing games with
the include path to make it work.