linux-kernel - [PATCH] perf: fix makefile generation under dash

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Date:	Sun, 19 Jul 2015 10:30:05 +0100
From:	Sergei Trofimovich <siarheit@...gle.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Sergei Trofimovich <siarheit@...gle.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] perf: fix makefile generation under dash

Under dash 'echo -n' yields '-n' to stdout.
Use printf "" instead.

CC: Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC: Ingo Molnar <mingo@...hat.com>
CC: Arnaldo Carvalho de Melo <acme@...nel.org>
CC: Jiri Olsa <jolsa@...hat.com>
CC: Namhyung Kim <namhyung@...nel.org>
CC: Adrian Hunter <adrian.hunter@...el.com>
CC: linux-kernel@...r.kernel.org
Signed-off-by: Sergei Trofimovich <siarheit@...gle.com>
---
 tools/perf/config/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 094ddae..bc0b59e 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -11,7 +11,7 @@ ifneq ($(obj-perf),)
 obj-perf := $(abspath $(obj-perf))/
 endif
 
-$(shell echo -n > $(OUTPUT).config-detected)
+$(shell printf "" > $(OUTPUT).config-detected)
 detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
 
-- 
2.4.6

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