linux-kernel - [tip:perf/urgent] perf build: Pass O option to kernel makefile in build-test

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Date:	Tue, 19 Jan 2016 05:35:52 -0800
From:	tip-bot for Wang Nan <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	wangnan0@...wei.com, lizefan@...wei.com, namhyung@...nel.org,
	acme@...hat.com, linux-kernel@...r.kernel.org, tglx@...utronix.de,
	mingo@...nel.org, jolsa@...hat.com, hpa@...or.com
Subject: [tip:perf/urgent] perf build:
  Pass O option to kernel makefile in build-test

Commit-ID:  c15e758c4bd7fbe38983e36258541ffcf81e1500
Gitweb:     http://git.kernel.org/tip/c15e758c4bd7fbe38983e36258541ffcf81e1500
Author:     Wang Nan <wangnan0@...wei.com>
AuthorDate: Fri, 15 Jan 2016 04:00:16 +0000
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 15 Jan 2016 16:32:00 -0300

perf build: Pass O option to kernel makefile in build-test

Kernel makefile only follows an '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>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Zefan Li <lizefan@...wei.com>
Cc: pi3orama@....com
Link: http://lkml.kernel.org/r/1452830421-77757-5-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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 29810cf..f918015 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