[PATCH 17/30] perf build: Add perf.o object building

[Jiri Olsa]

Move the perf object building under build framework
to be included in the perf build object.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexis Berlemont <alexis.berlemont@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
---
 tools/perf/Build         |  3 +++
 tools/perf/Makefile.perf | 16 +++++-----------
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/tools/perf/Build b/tools/perf/Build
index 7035a51deff8..c95d6378ad65 100644
--- a/tools/perf/Build
+++ b/tools/perf/Build
@@ -25,12 +25,15 @@ perf-$(CONFIG_LIBELF) += builtin-probe.o
 perf-y += bench/
 perf-y += tests/
 
+perf-y += perf.o
+
 paths += -DPERF_HTML_PATH="BUILD_STR($(htmldir_SQ))"
 paths += -DPERF_INFO_PATH="BUILD_STR($(infodir_SQ))"
 paths += -DPERF_MAN_PATH="BUILD_STR($(mandir_SQ))"
 
 CFLAGS_builtin-help.o      += $(paths)
 CFLAGS_builtin-timechart.o += $(paths)
+CFLAGS_perf.o += -DPERF_HTML_PATH="BUILD_STR($(htmldir_SQ))" -include $(OUTPUT)PERF-VERSION-FILE
 
 libperf-y += util/
 libperf-y += arch/
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 1d1fc9e3cae6..1393f34a01c2 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -377,16 +377,11 @@ export OUTPUT RM CC LD CFLAGS V BISON FLEX
 
 build := -f Makefile.build dir=. obj
 
-$(PERF_IN): FORCE
+$(PERF_IN): $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h FORCE
 	@$(MAKE) $(build)=perf
 
-$(OUTPUT)perf.o: perf.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -include $(OUTPUT)PERF-VERSION-FILE \
-		'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
-		$(CFLAGS) -c $(filter %.c,$^) -o $@
-
-$(OUTPUT)perf: $(OUTPUT)perf.o $(BUILTIN_OBJS) $(PERFLIBS) $(PERF_IN)
-	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $(OUTPUT)perf.o \
+$(OUTPUT)perf: $(BUILTIN_OBJS) $(PERFLIBS) $(PERF_IN)
+	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) \
                $(BUILTIN_OBJS) $(PERF_IN) $(LIBS) -o $@
 
 $(GTK_IN): FORCE
@@ -404,8 +399,7 @@ $(SCRIPTS) : % : %.sh
 	$(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
 
 # These can record PERF_VERSION
-$(OUTPUT)perf.o perf.spec \
-	$(SCRIPTS) \
+perf.spec $(SCRIPTS) \
 	: $(OUTPUT)PERF-VERSION-FILE
 
 .SUFFIXES:
@@ -660,7 +654,7 @@ 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)
+	$(call QUIET_CLEAN, core-objs)  $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(LANG_BINDINGS)
 	@find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o | xargs $(RM)
 	@$(RM) .config-detected
 	$(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32
-- 
1.9.3

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