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

[tip-bot for Ingo Molnar]

Commit-ID:  90ac5422b617fcab0c6f02249502ffc17dfbf6e3
Gitweb:     http://git.kernel.org/tip/90ac5422b617fcab0c6f02249502ffc17dfbf6e3
Author:     Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Mon, 30 Sep 2013 13:48:44 +0200
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 9 Oct 2013 08:48:30 +0200

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

Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-gupddm9clctVYws3lyexfdhg@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 tools/perf/config/Makefile                                            | 3 ++-
 tools/perf/config/feature-checks/Makefile                             | 4 ++++
 .../config/feature-checks/{test-hello.c => test-stackprotector-all.c} | 0
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index f39fc22..1a67371 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -103,11 +103,12 @@ $(info done)
 
 FEATURE_TESTS =				\
 	hello				\
+	stackprotector-all		\
 	libnuma
 
 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
 
-ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
+ifeq ($(feature-stackprotector-all), 1)
   CFLAGS += -fstack-protector-all
 endif
 
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 6a42ad2..7538c14 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -1,6 +1,7 @@
 
 FILES=					\
 	test-hello			\
+	test-stackprotector-all		\
 	test-libnuma
 
 CC := $(CC) -MD
@@ -14,6 +15,9 @@ BUILD = $(CC) -o $(OUTPUT)$@ $@.c
 test-hello:
 	$(BUILD)
 
+test-stackprotector-all:
+	$(BUILD) -Werror -fstack-protector-all
+
 test-libnuma:
 	$(BUILD) -lnuma
 
diff --git a/tools/perf/config/feature-checks/test-hello.c b/tools/perf/config/feature-checks/test-stackprotector-all.c
similarity index 100%
copy from tools/perf/config/feature-checks/test-hello.c
copy to tools/perf/config/feature-checks/test-stackprotector-all.c
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