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Subject[PATCH 042/161] tools/perf/build: Split out feature checks: 'liberty', 'liberty-z', 'cplus-demangle'
Date
From: Ingo Molnar <mingo@kernel.org>

Note that these are rarely executed tests, so we call feature_check() explicitly
and don't have them in CORE_FEATURE_CHECKS.

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-pvumlx6mbtfxffgrlwO2mRcx@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
tools/perf/config/Makefile | 16 ++++++----------
tools/perf/config/feature-checks/Makefile | 12 ++++++++++++
tools/perf/config/feature-checks/test-cplus-demangle.c | 10 ++++++++++
3 files changed, 28 insertions(+), 10 deletions(-)
create mode 100644 tools/perf/config/feature-checks/test-cplus-demangle.c

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 62d02cd03f29..89b2d47d2e4b 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -472,23 +472,19 @@ else
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
- FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
ifeq ($(feature-libbfd), 1)
EXTLIBS += -lbfd
else
- FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
- has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
- ifeq ($(has_bfd_iberty),y)
+ $(feature_check,liberty)
+ ifeq ($(feature-liberty), 1)
EXTLIBS += -lbfd -liberty
else
- FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
- has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
- ifeq ($(has_bfd_iberty_z),y)
+ $(feature_check,liberty-z)
+ ifeq ($(feature-liberty-z), 1)
EXTLIBS += -lbfd -liberty -lz
else
- FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
- has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
- ifeq ($(has_cplus_demangle),y)
+ $(feature_check,cplus-demangle)
+ ifeq ($(feature-cplus-demangle), 1)
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index d4c55acc82bb..e21bceb80bf2 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -11,6 +11,9 @@ FILES= \
test-hello \
test-libaudit \
test-libbfd \
+ test-liberty \
+ test-liberty-z \
+ test-cplus-demangle \
test-libelf \
test-libelf-getphdrnum \
test-libelf-mmap \
@@ -122,6 +125,15 @@ test-libpython-version:
test-libbfd:
$(BUILD) -DPACKAGE='perf' -DPACKAGE=perf -lbfd -ldl

+test-liberty:
+ $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='perf' -DPACKAGE=perf -lbfd -ldl -liberty
+
+test-liberty-z:
+ $(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='perf' -DPACKAGE=perf -lbfd -ldl -liberty -lz
+
+test-cplus-demangle:
+ $(BUILD) -liberty
+
test-on-exit:
$(BUILD)

diff --git a/tools/perf/config/feature-checks/test-cplus-demangle.c b/tools/perf/config/feature-checks/test-cplus-demangle.c
new file mode 100644
index 000000000000..5202f5038ad8
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-cplus-demangle.c
@@ -0,0 +1,10 @@
+
+extern char *cplus_demangle(const char *, int);
+
+int main(void)
+{
+ cplus_demangle(0, 0);
+
+ return 0;
+}
+
--
1.8.1.4


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