libperf: Move zalloc.o into libperf

We need it in both perf and libperf, thus moving it to libperf.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-45-jolsa@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/lib/Build

@@ -3,3 +3,8 @@ libperf-y += cpumap.o
 libperf-y += threadmap.o
 libperf-y += evsel.o
 libperf-y += evlist.o
+libperf-y += zalloc.o
+
+$(OUTPUT)zalloc.o: ../../lib/zalloc.c FORCE
+	$(call rule_mkdir)
+	$(call if_changed_dep,cc_o_c)

tools/perf/util/Build

@@ -26,7 +26,6 @@ perf-y += rbtree.o
 perf-y += libstring.o
 perf-y += bitmap.o
 perf-y += hweight.o
-perf-y += zalloc.o
 perf-y += smt.o
 perf-y += strbuf.o
 perf-y += string.o
@@ -243,7 +242,3 @@ $(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE
 $(OUTPUT)util/vsprintf.o: ../lib/vsprintf.c FORCE
 	$(call rule_mkdir)
 	$(call if_changed_dep,cc_o_c)
-
-$(OUTPUT)util/zalloc.o: ../lib/zalloc.c FORCE
-	$(call rule_mkdir)
-	$(call if_changed_dep,cc_o_c)

tools/perf/util/python-ext-sources

@@ -18,7 +18,6 @@ util/namespaces.c
 ../lib/hweight.c
 ../lib/string.c
 ../lib/vsprintf.c
-../lib/zalloc.c
 util/thread_map.c
 util/util.c
 util/xyarray.c