linux-kernel - [PATCH v2 4/9] perf build: Pass O option to kernel makefile in build-test

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Message-ID: <1452777243-178927-5-git-send-email-wangnan0@huawei.com>
Date:	Thu, 14 Jan 2016 13:13:58 +0000
From:	Wang Nan <wangnan0@...wei.com>
To:	<acme@...nel.org>, <jolsa@...hat.com>
CC:	<linux-kernel@...r.kernel.org>, <pi3orama@....com>,
	<lizefan@...wei.com>, Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH v2 4/9] perf build: Pass O option to kernel makefile in build-test

Kernel makefile only follow 'O' option passed from command line
explicitely. In build-test with 'O' option set, kernel makefile
contaminate kernel source directory. Build test also fail if we
don't create output directory manually.

K_O_OPT is added and passed to kernel makefile if 'O' is passed
to build-test.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/tests/make | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/tests/make b/tools/perf/tests/make
index e74c86b..f8d3162 100644
--- a/tools/perf/tests/make
+++ b/tools/perf/tests/make
@@ -22,6 +22,7 @@ ifneq ($(O),)
   ifeq ($(SET_O),1)
     O_OPT := 'O=$(FULL_O)'
   endif
+  K_O_OPT := 'O=$(FULL_O)'
 endif
 
 PARALLEL_OPT=
@@ -301,15 +302,15 @@ ifneq ($(O),)
 endif
 
 make_kernelsrc:
-	@echo "- make -C <kernelsrc> $(PARALLEL_OPT) tools/perf"
+	@echo "- make -C <kernelsrc> $(PARALLEL_OPT) $(K_O_OPT) tools/perf"
 	$(call clean); \
-	(make -C ../.. $(PARALLEL_OPT) tools/perf) > $@ 2>&1 && \
+	(make -C ../.. $(PARALLEL_OPT) $(K_O_OPT) tools/perf) > $@ 2>&1 && \
 	test -x $(KERNEL_O)/tools/perf/perf && rm -f $@ || (cat $@ ; false)
 
 make_kernelsrc_tools:
-	@echo "- make -C <kernelsrc>/tools $(PARALLEL_OPT) perf"
+	@echo "- make -C <kernelsrc>/tools $(PARALLEL_OPT) $(K_O_OPT) perf"
 	$(call clean); \
-	(make -C ../../tools $(PARALLEL_OPT) perf) > $@ 2>&1 && \
+	(make -C ../../tools $(PARALLEL_OPT) $(K_O_OPT) perf) > $@ 2>&1 && \
 	test -x $(KERNEL_O)/tools/perf/perf && rm -f $@ || (cat $@ ; false)
 
 all: $(run) $(run_O) tarpkg make_kernelsrc make_kernelsrc_tools
-- 
1.8.3.4