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Re: [PATCH v2 3/9] perf build: Test correct path of perf in build-test

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> 在 2016年1月14日，下午10:58，Arnaldo Carvalho de Melo <acme@kernel.org> 写道：
> 
> Em Thu, Jan 14, 2016 at 11:50:21AM -0300, Arnaldo Carvalho de Melo escreveu:
>> Em Thu, Jan 14, 2016 at 01:13:57PM +0000, Wang Nan escreveu:
>>> If an 'O' is passed to 'make build-test', many 'test -x' and 'test -f'
>>> will fail because perf resides in a different directory. Fix this by
>>> computing PERF_OUT according to 'O' and test correct output files.
>>> For make_kernelsrc and make_kernelsrc_tools, set KBUILD_OUTPUT_DIR
>>> instead because the path is different from others ($(O)/perf vs
>>> $(O)/tools/perf).
>> 
>> So, before this patch:
> 
> Also, while trying to get this to work, I found these places lacking the
> O= prefixing, right?
> 
> 
> diff --git a/tools/perf/tests/make b/tools/perf/tests/make
> index e74c86b00c31..67842900482e 100644
> --- a/tools/perf/tests/make
> +++ b/tools/perf/tests/make
> @@ -59,7 +59,7 @@ has = $(shell which $1 2>/dev/null)
> 
> # standard single make variable specified
> make_clean_all      := clean all
> -make_python_perf_so := python/perf.so
> +make_python_perf_so := $(PERF_O)/python/perf.so
> make_debug          := DEBUG=1
> make_no_libperl     := NO_LIBPERL=1
> make_no_libpython   := NO_LIBPYTHON=1
> @@ -82,9 +82,9 @@ make_tags           := tags
> make_cscope         := cscope
> make_help           := help
> make_doc            := doc
> -make_perf_o           := perf.o
> -make_util_map_o       := util/map.o
> -make_util_pmu_bison_o := util/pmu-bison.o
> +make_perf_o           := $(PERF_O)/perf.o
> +make_util_map_o       := $(PERF_O)/util/map.o
> +make_util_pmu_bison_o := $(PERF_O)/util/pmu-bison.o
> make_install        := install
> make_install_bin    := install-bin
> make_install_doc    := install-doc

I have throughly tested this patch set, both
with and without O, many times, and see no
error related to this part of code, so I think
we don't really need this prefix.

But maybe there's error I never noticed.
Let me check it tomorrow.

Thank you.

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[PATCH v2 3/9] perf build: Test correct path of perf in build-test Wang Nan <wangnan0@huawei.com> - 2016-01-14 14:20 +0100
  Re: [PATCH v2 3/9] perf build: Test correct path of perf in  build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-14 16:00 +0100
    Re: [PATCH v2 3/9] perf build: Test correct path of perf in  build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-14 16:00 +0100
      Re: [PATCH v2 3/9] perf build: Test correct path of perf in build-test pi3orama <pi3orama@163.com> - 2016-01-14 16:10 +0100
        Re: [PATCH v2 3/9] perf build: Test correct path of perf in  build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-14 16:50 +0100
          Re: [PATCH v2 3/9] perf build: Test correct path of perf in  build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-14 17:10 +0100
            Re: [PATCH v2 3/9] perf build: Test correct path of perf in  build-test Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-01-14 18:40 +0100
          Re: [PATCH v2 3/9] perf build: Test correct path of perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-15 04:00 +0100
            Re: [PATCH v2 3/9] perf build: Test correct path of perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-15 04:40 +0100
      Re: [PATCH v2 3/9] perf build: Test correct path of perf in build-test "Wangnan (F)" <wangnan0@huawei.com> - 2016-01-15 03:30 +0100

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