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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 22 Aug 2012 10:38:12 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	linux-kernel@...r.kernel.org, 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@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	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.melo@...il.com,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH] perf tools: Fix 'No libunwind found' make warning message

On Tue, Aug 21, 2012 at 11:36:28AM +0200, Jiri Olsa wrote:
> On Tue, Aug 21, 2012 at 11:32:31AM +0200, Ingo Molnar wrote:
> > 
> > * Arnaldo Carvalho de Melo <acme@...radead.org> wrote:
> > 
> 
> SNIP
> 
> > 
> > One minor observation, the Makefile tells us:
> > 
> > Makefile:496: No libunwind found. Please install libunwind >= 0.99
> > 
> > I guess that should be libunwind-dev[el], right? Plain libunwind 
> > is not enough.
> 
> right, will fix it
> 
> thanks,
> jirka

---
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>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
---
 tools/perf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 6bd888d..218cdb5 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, disables post unwind support. Please install libunwind-dev[el] >= 0.99);
 	NO_LIBUNWIND := 1
 endif # Libunwind support
 endif # NO_LIBUNWIND
-- 
1.7.11.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/