[PATCH 029/161] tools/perf/build: Split out feature check: 'backtrace'
From: Arnaldo Carvalho de Melo
Date: Mon Oct 14 2013 - 16:45:50 EST
From: Ingo Molnar <mingo@xxxxxxxxxx>
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-ihnwe6cvglVkudyvcavP1wql@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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(-)
create mode 100644 tools/perf/config/feature-checks/test-backtrace.c
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 44affb5477c5..c0c83440de97 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),$(test)))
@@ -448,7 +449,7 @@ ifndef NO_ON_EXIT
endif
ifndef NO_BACKTRACE
- ifeq ($(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 20f1b8c0f865..0e4dbc2d5c8a 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 000000000000..5b79468bea2a
--- /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;
+}
--
1.8.1.4
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