perf build: Disable default check for libbabeltrace

Remove libbabeltrace check from default features set, because the
requested version is not released yet in most distributions. We'll
enable later.

Calling libbabeltrace check manually via feature_check before
$(feature-libbabeltrace) is used.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <david.ahern@oracle.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-5n7mr6ugcwdbxk0n1z8uukaa@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/config/Makefile

@@ -227,7 +227,6 @@ CORE_FEATURE_TESTS =			\
 	stackprotector-all		\
 	timerfd				\
 	libdw-dwarf-unwind		\
-	libbabeltrace			\
 	zlib
 
 LIB_FEATURE_TESTS =			\
@@ -243,7 +242,6 @@ LIB_FEATURE_TESTS =			\
 	libslang			\
 	libunwind			\
 	libdw-dwarf-unwind		\
-	libbabeltrace			\
 	zlib
 
 VF_FEATURE_TESTS =			\
@@ -705,14 +703,15 @@ else
 endif
 
 ifndef NO_LIBBABELTRACE
-  ifeq ($(feature-libbabeltrace), 0)
-    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
-    NO_LIBBABELTRACE := 1
-  else
+  $(call feature_check,libbabeltrace)
+  ifeq ($(feature-libbabeltrace), 1)
     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
     EXTLIBS += -lbabeltrace-ctf
     $(call detected,CONFIG_LIBBABELTRACE)
+  else
+    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
+    NO_LIBBABELTRACE := 1
   endif
 endif
 

tools/perf/config/feature-checks/Makefile

@@ -44,7 +44,7 @@ BUILD = $(CC) $(CFLAGS) -Wall -Werror -o $(OUTPUT)$@ $(patsubst %.bin,%.c,$@) $(
 ###############################
 
 test-all.bin:
-	$(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -lbabeltrace
+	$(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz
 
 test-hello.bin:
 	$(BUILD)

tools/perf/config/feature-checks/test-all.c

@@ -101,9 +101,17 @@
 # include "test-pthread_attr_setaffinity_np.c"
 #undef main
 
+# if 0
+/*
+ * Disable libbabeltrace check for test-all, because the requested
+ * library version is not released yet in most distributions. Will
+ * reenable later.
+ */
+
 #define main main_test_libbabeltrace
 # include "test-libbabeltrace.c"
 #undef main
+#endif
 
 int main(int argc, char *argv[])
 {
@@ -130,7 +138,6 @@ int main(int argc, char *argv[])
 	main_test_sync_compare_and_swap(argc, argv);
 	main_test_zlib();
 	main_test_pthread_attr_setaffinity_np();
-	main_test_libbabeltrace();
 
 	return 0;
 }