[PATCH] perf tools: Hide feature test result on make -s

[Namhyung Kim]

Other commands like QUIET_CC already honour -s option of make so the
try-cc should do the same.  Make it really quiet if -s option is given
and ignore V=1 (it's only meaningful without -s option).

Reported-by: Thomas Backlund <tmb@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/config/utilities.mak | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak
index e5413125e6bb..9d202fce1306 100644
--- a/tools/perf/config/utilities.mak
+++ b/tools/perf/config/utilities.mak
@@ -181,10 +181,13 @@ _gea_err  = $(if $(1),$(error Please set '$(1)' appropriately))
 
 # try-cc
 # Usage: option = $(call try-cc, source-to-build, cc-options, msg)
-ifndef V
 TRY_CC_OUTPUT= > /dev/null 2>&1
-endif
+ifneq ($(findstring $(MAKEFLAGS),s),s)
 TRY_CC_MSG=echo "    CHK $(3)" 1>&2;
+ifdef V
+TRY_CC_OUTPUT=
+endif
+endif
 
 try-cc = $(shell sh -c						  \
 	'TMP="$(OUTPUT)$(TMPOUT).$$$$";				  \
-- 
1.7.11.7

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