4 files changed, 17 insertions, 12 deletions

diff --git a/tools/perf/Build b/tools/perf/Build
index e84ced325147..a9ff8fd0bff9 100644
--- a/tools/perf/Build
+++ b/tools/perf/Build
@@ -35,3 +35,5 @@ CFLAGS_builtin-timechart.o += $(paths)
 libperf-y += util/
 libperf-y += arch/
 libperf-y += ui/
+
+gtk-y += ui/gtk/
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index d9de8af55de2..18ff8aab582a 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -341,14 +341,7 @@ endif
 
 ifndef NO_GTK2
   ALL_PROGRAMS += $(OUTPUT)libperf-gtk.so
-
-  GTK_OBJS += $(OUTPUT)ui/gtk/browser.o
-  GTK_OBJS += $(OUTPUT)ui/gtk/hists.o
-  GTK_OBJS += $(OUTPUT)ui/gtk/setup.o
-  GTK_OBJS += $(OUTPUT)ui/gtk/util.o
-  GTK_OBJS += $(OUTPUT)ui/gtk/helpline.o
-  GTK_OBJS += $(OUTPUT)ui/gtk/progress.o
-  GTK_OBJS += $(OUTPUT)ui/gtk/annotate.o
+  GTK_IN := $(OUTPUT)gtk-in.o
 
 install-gtk: $(OUTPUT)libperf-gtk.so
         $(call QUIET_INSTALL, 'GTK UI') \
@@ -416,10 +409,10 @@ $(OUTPUT)perf: $(OUTPUT)perf.o $(BUILTIN_OBJS) $(PERFLIBS) $(PERF_IN)
         $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $(OUTPUT)perf.o \
                $(BUILTIN_OBJS) $(PERF_IN) $(LIBS) -o $@
 
-$(GTK_OBJS): $(OUTPUT)%.o: %.c $(LIB_H)
-        $(QUIET_CC)$(CC) -o $@ -c -fPIC $(CFLAGS) $(GTK_CFLAGS) $<
+$(GTK_IN): FORCE
+        @$(MAKE) $(build)=gtk
 
-$(OUTPUT)libperf-gtk.so: $(GTK_OBJS) $(PERFLIBS)
+$(OUTPUT)libperf-gtk.so: $(GTK_IN) $(PERFLIBS)
         $(QUIET_LINK)$(CC) -o $@ -shared $(LDFLAGS) $(filter %.o,$^) $(GTK_LIBS)
 
 $(OUTPUT)common-cmds.h: util/generate-cmdlist.sh command-list.txt
@@ -699,7 +692,7 @@ config-clean:
         @$(MAKE) -C config/feature-checks clean >/dev/null
 
 clean: $(LIBTRACEEVENT)-clean $(LIBAPIKFS)-clean config-clean
-        $(call QUIET_CLEAN, core-objs)  $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(OUTPUT)perf.o $(LANG_BINDINGS) $(GTK_OBJS)
+        $(call QUIET_CLEAN, core-objs)  $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(OUTPUT)perf.o $(LANG_BINDINGS)
         @find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
         @$(RM) .config-detected
         $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 4b251114b34d..6b9678248694 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -846,3 +846,4 @@ $(call detected_var,ETC_PERFCONFIG_SQ)
 $(call detected_var,prefix_SQ)
 $(call detected_var,perfexecdir_SQ)
 $(call detected_var,LIBDIR)
+$(call detected_var,GTK_CFLAGS)
diff --git a/tools/perf/ui/gtk/Build b/tools/perf/ui/gtk/Build
new file mode 100644
index 000000000000..ec22e899a224
--- /dev/null
+++ b/tools/perf/ui/gtk/Build
@@ -0,0 +1,9 @@
+CFLAGS_gtk += -fPIC $(GTK_CFLAGS)
+
+gtk-y += browser.o
+gtk-y += hists.o
+gtk-y += setup.o
+gtk-y += util.o
+gtk-y += helpline.o
+gtk-y += progress.o
+gtk-y += annotate.o