tools/perf/build: Split out feature check: 'gtk2-infobar'

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-oumjyVjonjvgH8ts4mftagel@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/perf/config/Makefile

@@ -117,6 +117,7 @@ FEATURE_TESTS =				\
 	libaudit			\
 	libslang			\
 	gtk2				\
+	gtk2-infobar			\
 	libnuma
 
 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -299,7 +300,7 @@ ifndef NO_GTK2
     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
     NO_GTK2 := 1
   else
-    ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR_SUPPORT),y)
+    ifeq ($(feature-gtk2-infobar), 1)
       CFLAGS += -DHAVE_GTK_INFO_BAR_SUPPORT
     endif
     CFLAGS += -DHAVE_GTK2_SUPPORT

tools/perf/config/feature-checks/Makefile

@@ -15,6 +15,7 @@ FILES=					\
 	test-libaudit			\
 	test-libslang			\
 	test-gtk2			\
+	test-gtk2-infobar		\
 	test-libnuma
 
 CC := $(CC) -MD
@@ -73,6 +74,9 @@ test-libslang:
 test-gtk2:
 	$(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
 
+test-gtk2-infobar:
+	$(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
+
 -include *.d */*.d
 
 ###############################

tools/perf/config/feature-checks/test-gtk2-infobar.c

@@ -0,0 +1,10 @@
+#pragma GCC diagnostic ignored "-Wstrict-prototypes"
+#include <gtk/gtk.h>
+#pragma GCC diagnostic error "-Wstrict-prototypes"
+
+int main(void)
+{
+	gtk_info_bar_new();
+
+	return 0;
+}