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perf tools: Fix makefile generation under dash

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

Signed-off-by: Sergei Trofimovich <siarheit@google.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1437298205-29305-1-git-send-email-siarheit@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Sergei Trofimovich 2015-07-19 10:30:05 +01:00 committed by Arnaldo Carvalho de Melo
parent d77fac7f9e
commit 52c0a18b90
1 changed files with 1 additions and 1 deletions
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2
tools/perf/config/Makefile
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@ -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)