* [tip:perf/core] tools/perf/build: Split out feature check: ' backtrace'
@ 2013-10-15 5:16 tip-bot for Ingo Molnar
0 siblings, 0 replies; only message in thread
From: tip-bot for Ingo Molnar @ 2013-10-15 5:16 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, acme, hpa, mingo, a.p.zijlstra, namhyung, jolsa,
dsahern, tglx
Commit-ID: 4cc9117a35b2810fb84454514a9136e5f2945751
Gitweb: http://git.kernel.org/tip/4cc9117a35b2810fb84454514a9136e5f2945751
Author: Ingo Molnar <mingo@kernel.org>
AuthorDate: Mon, 30 Sep 2013 16:49:38 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 9 Oct 2013 08:48:47 +0200
tools/perf/build: Split out feature check: 'backtrace'
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-ihnwe6cvglVkudyvcavP1wql@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-backtrace.c | 10 ++++++++++
3 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 44affb5..c0c8344 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 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;
+}
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