linux-kernel - [tip:perf/core] tools/perf/build: Split out feature check: ' stackprotector'

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Date:	Mon, 14 Oct 2013 22:13:16 -0700
From:	tip-bot for Ingo Molnar <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, hpa@...or.com,
	mingo@...nel.org, a.p.zijlstra@...llo.nl, namhyung@...nel.org,
	jolsa@...hat.com, dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] tools/perf/build: Split out feature check: '
 stackprotector'

Commit-ID:  430be5ab0a50a9116c689b2b2ea7acd7a635aabe
Gitweb:     http://git.kernel.org/tip/430be5ab0a50a9116c689b2b2ea7acd7a635aabe
Author:     Ingo Molnar <mingo@...nel.org>
AuthorDate: Mon, 7 Oct 2013 09:47:00 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 9 Oct 2013 08:48:31 +0200

tools/perf/build: Split out feature check: 'stackprotector'

Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lkml.kernel.org/n/tip-eyLYjhskzn6qxkoyjtjic4ap@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 tools/perf/config/Makefile                                            | 3 ++-
 tools/perf/config/feature-checks/Makefile                             | 4 ++++
 .../config/feature-checks/{test-hello.c => test-stackprotector.c}     | 0
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 1a67371..9f94912 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -104,6 +104,7 @@ $(info done)
 FEATURE_TESTS =				\
 	hello				\
 	stackprotector-all		\
+	stackprotector			\
 	libnuma
 
 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -112,7 +113,7 @@ ifeq ($(feature-stackprotector-all), 1)
   CFLAGS += -fstack-protector-all
 endif
 
-ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
+ifeq ($(feature-stackprotector), 1)
   CFLAGS += -Wstack-protector
 endif
 
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 7538c14..46b7650 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -2,6 +2,7 @@
 FILES=					\
 	test-hello			\
 	test-stackprotector-all		\
+	test-stackprotector		\
 	test-libnuma
 
 CC := $(CC) -MD
@@ -18,6 +19,9 @@ test-hello:
 test-stackprotector-all:
 	$(BUILD) -Werror -fstack-protector-all
 
+test-stackprotector:
+	$(BUILD) -Werror -fstack-protector
+
 test-libnuma:
 	$(BUILD) -lnuma
 
diff --git a/tools/perf/config/feature-checks/test-hello.c b/tools/perf/config/feature-checks/test-stackprotector.c
similarity index 100%
copy from tools/perf/config/feature-checks/test-hello.c
copy to tools/perf/config/feature-checks/test-stackprotector.c
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