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 <[e-mail]>
Tested-by: Sukadev Bhattiprolu <[e-mail]>
Tested-by: Will Deacon <[e-mail]>
Cc: Alexis Berlemont <[e-mail]>
Cc: Borislav Petkov <[e-mail]>
Cc: Corey Ashford <[e-mail]>
Cc: David Ahern <[e-mail]>
Cc: Frederic Weisbecker <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Stephane Eranian <[e-mail]>
Link: http://lkml.kernel.org/n/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/Build

···
 
 libperf-y += util/
 libperf-y += arch/
+libperf-y += ui/

tools/perf/Makefile.perf

···
 LIB_H += util/kvm-stat.h
 LIB_H += util/thread-stack.h
 
-LIB_OBJS += $(OUTPUT)ui/setup.o
-LIB_OBJS += $(OUTPUT)ui/helpline.o
-LIB_OBJS += $(OUTPUT)ui/progress.o
-LIB_OBJS += $(OUTPUT)ui/util.o
-LIB_OBJS += $(OUTPUT)ui/hist.o
-LIB_OBJS += $(OUTPUT)ui/stdio/hist.o
-
 PERFLIBS = $(LIB_FILE) $(LIBAPIKFS) $(LIBTRACEEVENT)
 
 # We choose to avoid "if .. else if .. else .. endif endif"
···
 	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $<
 $(OUTPUT)%.s: %.S
 	$(QUIET_CC)$(CC) -o $@ -E $(CFLAGS) $<
-
-$(OUTPUT)ui/setup.o: ui/setup.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DLIBDIR='"$(libdir_SQ)"' $<
 
 $(OUTPUT)ui/browser.o: ui/browser.c $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DENABLE_SLFUTURE_CONST $<

tools/perf/config/Makefile

···
 $(call detected_var,ETC_PERFCONFIG_SQ)
 $(call detected_var,prefix_SQ)
 $(call detected_var,perfexecdir_SQ)
+$(call detected_var,LIBDIR)

tools/perf/ui/Build

···
+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))"