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From: David Carrillo-Cisneros <davidcc@google.com>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Stephane Eranian <eranian@google.com>,
	David Carrillo-Cisneros <davidcc@google.com>
Subject: [PATCH] perf/tool: remove unneccessary feature-dwarf warning
Date: Thu, 12 Jan 2017 13:01:59 -0800	[thread overview]
Message-ID: <20170112210159.76143-1-davidcc@google.com> (raw)

Don't warn for feature-dwarf==0 if user explicitily
disabled dwarf by NO_DWARF=1.

Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
---
 tools/perf/Makefile.config | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 94318c07d89d..bf79344cd10c 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -291,8 +291,10 @@ else
       endif
     endif
     ifneq ($(feature-dwarf), 1)
-      msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
-      NO_DWARF := 1
+      ifndef NO_DWARF
+        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
+        NO_DWARF := 1
+      endif
     else
       ifneq ($(feature-dwarf_getlocations), 1)
         msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
-- 
2.11.0.390.gc69c2f50cf-goog

             reply	other threads:[~2017-01-12 21:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-12 21:01 David Carrillo-Cisneros [this message]
2017-01-13 14:47 ` [PATCH] perf/tool: remove unneccessary feature-dwarf warning Arnaldo Carvalho de Melo
2017-01-18  9:19 ` [tip:perf/core] perf tools: Remove " tip-bot for David Carrillo-Cisneros

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