Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: David Ahern <dsah...@gmail.com>
Cc: Jiri Olsa <jo...@redhat.com>
Link: http://lkml.kernel.org/n/tip-ihnwe6cvglvkudyvcavp1...@git.kernel.org
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
tools/perf/config/Makefile | 3 ++-
tools/perf/config/feature-checks/Makefile | 4 ++++
tools/perf/config/feature-checks/test-backtrace.c | 10 ++++++++++
3 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 2d6fcf4..57ec8b6 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -124,6 +124,7 @@ FEATURE_TESTS = \
strlcpy \
libbfd \
on-exit \
+ backtrace \
libnuma
$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -438,7 +439,7 @@ ifndef NO_ON_EXIT
endif
ifndef NO_BACKTRACE
- ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DHAVE_BACKTRACE_SUPPORT),y)
+ ifeq ($(feature-backtrace), 1)
CFLAGS += -DHAVE_BACKTRACE_SUPPORT
endif
endif
diff --git a/tools/perf/config/feature-checks/Makefile
b/tools/perf/config/feature-checks/Makefile
index 20f1b8c..0e4dbc2 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -22,6 +22,7 @@ FILES= \
test-strlcpy \
test-libbfd \
test-on-exit \
+ test-backtrace \
test-libnuma
CC := $(CC) -MD
@@ -124,6 +125,9 @@ test-libbfd:
test-on-exit:
$(BUILD)
+test-backtrace:
+ $(BUILD)
+
-include *.d */*.d
###############################
diff --git a/tools/perf/config/feature-checks/test-backtrace.c
b/tools/perf/config/feature-checks/test-backtrace.c
new file mode 100644
index 0000000..5b79468
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-backtrace.c
@@ -0,0 +1,10 @@
+#include <execinfo.h>
+#include <stdio.h>
+
+int main(void)
+{
+ backtrace(NULL, 0);
+ backtrace_symbols(NULL, 0);
+
+ return 0;
+}
--
1.8.3.1
--
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