tools/perf/build: Split out feature check: 'stackprotector-all'
authorIngo Molnar <mingo@kernel.org>
Mon, 30 Sep 2013 11:48:44 +0000 (13:48 +0200)
committerIngo Molnar <mingo@kernel.org>
Wed, 9 Oct 2013 06:48:30 +0000 (08:48 +0200)
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-gupddm9clctVYws3lyexfdhg@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
tools/perf/config/Makefile
tools/perf/config/feature-checks/Makefile
tools/perf/config/feature-checks/test-stackprotector-all.c [new file with mode: 0644]

index f39fc22..1a67371 100644 (file)
@@ -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
 
index 6a42ad2..7538c14 100644 (file)
@@ -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-stackprotector-all.c b/tools/perf/config/feature-checks/test-stackprotector-all.c
new file mode 100644 (file)
index 0000000..c9f398d
--- /dev/null
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void)
+{
+       return puts("hi");
+}