linux-kernel - [PATCH 01/12] perf tools: Fix 'No libunwind found' make warning message

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Date:	Thu, 23 Aug 2012 12:09:45 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	Borislav Petkov <borislav.petkov@....com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Feng Tang <feng.tang@...el.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung.kim@....com>,
	Namhyung Kim <namhyung@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Pekka Enberg <penberg@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Robert Richter <robert.richter@....com>,
	Sedat Dilek <sedat.dilek@...il.com>,
	Stephane Eranian <eranian@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ulrich Drepper <drepper@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 01/12] perf tools: Fix 'No libunwind found' make warning message

From: Jiri Olsa <jolsa@...hat.com>

Changing error message when libunwind support is not found to inform
properly to install libunwind-dev[el] package.

Reported-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: Ben Hutchings <ben@...adent.org.uk>
Cc: Borislav Petkov <borislav.petkov@....com>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Feng Tang <feng.tang@...el.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung.kim@....com>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Pekka Enberg <penberg@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Robert Richter <robert.richter@....com>
Cc: Sedat Dilek <sedat.dilek@...il.com>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ulrich Drepper <drepper@...il.com>
Link: http://lkml.kernel.org/r/20120822083812.GC1003@krava.brq.redhat.com
[ committer note: s/disable/disabling/g rewording suggested by Steven Rostedt ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Makefile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 6bd888d..722ddee 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -493,7 +493,7 @@ endif
 
 FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(ALL_CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
 ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND)),y)
-	msg := $(warning No libunwind found. Please install libunwind >= 0.99);
+	msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
 	NO_LIBUNWIND := 1
 endif # Libunwind support
 endif # NO_LIBUNWIND
-- 
1.7.1

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