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Subject[PATCH 006/161] tools/perf/build: Split out feature check: 'stackprotector'
Date
From: Ingo Molnar <mingo@kernel.org>

Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-eyLYjhskzn6qxkoyjtjic4ap@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
tools/perf/config/Makefile | 3 ++-
tools/perf/config/feature-checks/Makefile | 4 ++++
tools/perf/config/feature-checks/test-stackprotector.c | 6 ++++++
3 files changed, 12 insertions(+), 1 deletion(-)
create mode 100644 tools/perf/config/feature-checks/test-stackprotector.c

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 1a6737144149..9f94912ccf63 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 7538c148b40c..46b7650983cb 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-stackprotector.c b/tools/perf/config/feature-checks/test-stackprotector.c
new file mode 100644
index 000000000000..c9f398d87868
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-stackprotector.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void)
+{
+ return puts("hi");
+}
--
1.8.1.4


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