tools/perf/build: Split out feature check: 'libaudit'

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-orhejqtjao3vf4wxwBUdzhaz@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index d684a29..d4f18f4 100644 (file)
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -114,6 +114,7 @@ FEATURE_TESTS =                             \
        libelf-mmap                     \
        libelf-getphdrnum               \
        libunwind                       \
+       libaudit                        \
        libnuma
 
 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -265,8 +266,7 @@ ifndef NO_LIBUNWIND
 endif
 
 ifndef NO_LIBAUDIT
-  FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
-  ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
+  ifneq ($(feature-libaudit), 1)
     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
     NO_LIBAUDIT := 1
   else

diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index d6d9570..8e49fa0 100644 (file)
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -12,6 +12,7 @@ FILES=                                        \
        test-libelf-mmap                \
        test-libelf-getphdrnum          \
        test-libunwind                  \
+       test-libaudit                   \
        test-libnuma
 
 CC := $(CC) -MD
@@ -61,6 +62,9 @@ test-libnuma:
 test-libunwind:
        $(BUILD) -lunwind -lunwind-x86_64 -lelf
 
+test-libaudit:
+       $(BUILD) -laudit
+
 -include *.d */*.d
 
 ###############################

diff --git a/tools/perf/config/feature-checks/test-libaudit.c b/tools/perf/config/feature-checks/test-libaudit.c
new file mode 100644 (file)
index 0000000..854a65d
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-libaudit.c
@@ -0,0 +1,7 @@
+#include <libaudit.h>
+
+int main(void)
+{
+       printf("error message: %s\n", audit_errno_to_name(0));
+       return audit_open();
+}