perf build: Add ui objects building

Move the ui objects building under build framework to be included in the
libperf build object.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Cc: Alexis Berlemont <alexis.berlemont@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-re5vuat8uu396n7hyor9b5ve@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/ui/Build b/tools/perf/ui/Build
new file mode 100644
index 0000000..077b6a4
--- /dev/null
+++ b/tools/perf/ui/Build
@@ -0,0 +1,8 @@
+libperf-y += setup.o
+libperf-y += helpline.o
+libperf-y += progress.o
+libperf-y += util.o
+libperf-y += hist.o
+libperf-y += stdio/hist.o
+
+CFLAGS_setup.o += -DLIBDIR="BUILD_STR($(LIBDIR))"