perf build: Add perf.o object building

Move the perf object building under build framework to be included in
the perf 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-wiiciip2w6ajvj03huqz50xw@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/Build b/tools/perf/Build
index 133ec64..976e038 100644
--- a/tools/perf/Build
+++ b/tools/perf/Build
@@ -25,12 +25,15 @@
 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/