linux-kernel - Re: [PATCH 18/52] tools/perf/build: Split out feature check: 'libunwind'

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Message-ID: <20131009064503.GA20857@gmail.com>
Date:	Wed, 9 Oct 2013 08:45:03 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	David Ahern <dsahern@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH 18/52] tools/perf/build: Split out feature check:
 'libunwind'


* David Ahern <dsahern@...il.com> wrote:

> On 10/8/13 4:10 AM, Ingo Molnar wrote:
> >@@ -240,15 +241,7 @@ ifneq ($(ARCH),x86)
> >  endif
> >
> >  ifndef NO_LIBUNWIND
> >-  # for linking with debug library, run like:
> >-  # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
> >-  ifdef LIBUNWIND_DIR
> >-    LIBUNWIND_CFLAGS  := -I$(LIBUNWIND_DIR)/include
> >-    LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
> >-  endif
> 
> You are dropping the above so add-on libunwind support will break.

Oops - restored it.

Thanks,

	Ingo
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