[tip:perf/core] perf tools: Fix 'No libunwind found' make warning message

[tip-bot for Jiri Olsa]

Commit-ID:  d45a3e00687bb52a20d9256d3d1068eea271013f
Gitweb:     http://git.kernel.org/tip/d45a3e00687bb52a20d9256d3d1068eea271013f
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Wed, 22 Aug 2012 10:38:12 +0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 22 Aug 2012 13:32:13 -0300

perf tools: Fix 'No libunwind found' make warning message

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

Reported-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Borislav Petkov <borislav.petkov@xxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Feng Tang <feng.tang@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung.kim@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Robert Richter <robert.richter@xxxxxxx>
Cc: Sedat Dilek <sedat.dilek@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ulrich Drepper <drepper@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20120822083812.GC1003@xxxxxxxxxxxxxxxxxxxx
[ committer note: s/disable/disabling/g rewording suggested by Steven Rostedt ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 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
--
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