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

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-xjfVewprrfhlo2wuzbnpVb1k@git.kernel.orgSigned-off-by: Ingo Molnar <mingo@kernel.org>

tools/perf/config/Makefile

@@ -107,6 +107,7 @@ FEATURE_TESTS =				\
 	stackprotector			\
 	volatile-register-var		\
 	fortify-source			\
+	bionic				\
 	libnuma
 
 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -150,12 +151,13 @@ CFLAGS += -I$(LIB_INCLUDE)
 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 
 ifndef NO_BIONIC
-ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
-  BIONIC := 1
-  EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
-  EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
+  $(feature_check,bionic)
+  ifeq ($(feature-bionic), 1)
+    BIONIC := 1
+    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
+    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
+  endif
 endif
-endif # NO_BIONIC
 
 ifdef NO_LIBELF
   NO_DWARF := 1

tools/perf/config/feature-checks/Makefile

@@ -5,6 +5,7 @@ FILES=					\
 	test-stackprotector		\
 	test-volatile-register-var	\
 	test-fortify-source		\
+	test-bionic			\
 	test-libnuma
 
 CC := $(CC) -MD
@@ -30,6 +31,9 @@ test-volatile-register-var:
 test-fortify-source:
 	$(BUILD) -O2 -Werror -D_FORTIFY_SOURCE=2
 
+test-bionic:
+	$(BUILD)
+
 test-libnuma:
 	$(BUILD) -lnuma
 

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

+#include <android/api-level.h>
+
+int main(void)
+{
+	return __ANDROID_API__;
+}