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Re: [kbuild-all] make[2]: *** No rule to make target 'tools/testing/nvdimm//config_check.o', needed by 'tools/testing/nvdimm//dax.o'.

From Fengguang Wu <fengguang.wu@intel.com>
Newsgroups linux.kernel
Subject Re: [kbuild-all] make[2]: *** No rule to make target 'tools/testing/nvdimm//config_check.o', needed by 'tools/testing/nvdimm//dax.o'.
Date 2016-08-16 03:40 +0200
Message-ID <s6Bwe-4Yx-13@gated-at.bofh.it> (permalink)
References <s6n0e-4eK-13@gated-at.bofh.it> <s6ATv-4sZ-9@gated-at.bofh.it> <s6Bmx-4Uu-9@gated-at.bofh.it> <s6Bwe-4Yx-7@gated-at.bofh.it>
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On Mon, Aug 15, 2016 at 06:30:48PM -0700, Dan Williams wrote:
>On Mon, Aug 15, 2016 at 6:26 PM, Fengguang Wu <fengguang.wu@intel.com> wrote:
>> On Mon, Aug 15, 2016 at 05:58:36PM -0700, Dan Williams wrote:
>>>
>>> On Mon, Aug 15, 2016 at 3:03 AM, kbuild test robot
>>> <fengguang.wu@intel.com> wrote:
>>>>
>>>> tree:
>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>>> head:   694d0d0bb2030d2e36df73e2d23d5770511dbc8d
>>>> commit: ab68f26221366f92611650e8470e6a926801c7d4 /dev/dax, pmem: direct
>>>> access to persistent memory
>>>> date:   3 months ago
>>>> config: i386-randconfig-i1-201633 (attached as .config)
>>>> compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4
>>>> reproduce:
>>>>         git checkout ab68f26221366f92611650e8470e6a926801c7d4
>>>>         # save the attached .config to linux build tree
>>>>         make ARCH=i386
>>>>
>>>> All errors (new ones prefixed by >>):
>>>>
>>>>>> make[2]: *** No rule to make target
>>>>>> 'tools/testing/nvdimm//config_check.o', needed by
>>>>>> 'tools/testing/nvdimm//dax.o'.
>>>>
>>>>    make[2]: Target '__build' not remade because of errors.
>>>
>>>
>>> I think this is an invalid build test.  tools/testing/nvdimm/ uses a
>>> external module Kbuild environment, not Kconfig.  So, there's nothing
>>> I can do to prevent this compile error, unless there's some other way
>>> 0-day could determine the configuration dependencies?
>>
>>
>> Yeah if you can offer a concrete rule for the dependency, we'll add
>> it to 0-day.
>
>Sounds good.  The config_check.c file itself lists the dependencies:
>
>void check(void)
>{
>        /*
>         * These kconfig symbols must be set to "m" for nfit_test to
>         * load and operate.
>         */
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_LIBNVDIMM));
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_BLK_DEV_PMEM));
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_ND_BTT));
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_ND_PFN));
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_ND_BLK));
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_ACPI_NFIT));
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_DEV_DAX));
>        BUILD_BUG_ON(!IS_MODULE(CONFIG_DEV_DAX_PMEM));
>}

Great, that looks good and easy rules to follow!

If that list is subject to change in future, we can even grep that
file and use the results to check .config.

Regards,
Fengguang

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make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. kbuild test robot <fengguang.wu@intel.com> - 2016-08-15 12:10 +0200
  Re: make[2]: *** No rule to make target 'tools/testing/nvdimm//config_check.o',  needed by 'tools/testing/nvdimm//dax.o'. Dan Williams <dan.j.williams@intel.com> - 2016-08-16 03:00 +0200
    Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Fengguang Wu <fengguang.wu@intel.com> - 2016-08-16 03:30 +0200
      Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by 'tools/testing/nvdimm//dax.o'. Dan Williams <dan.j.williams@intel.com> - 2016-08-16 03:40 +0200
        Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Fengguang Wu <fengguang.wu@intel.com> - 2016-08-16 03:40 +0200
        Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Yilong Ren <yilongx.ren@intel.com> - 2016-08-16 03:50 +0200
        Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by 'tools/testing/nvdimm//dax.o'. Dan Williams <dan.j.williams@intel.com> - 2016-08-16 03:50 +0200
        Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Yilong Ren <yilongx.ren@intel.com> - 2016-08-16 03:50 +0200
          Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Fengguang Wu <fengguang.wu@intel.com> - 2016-08-16 04:00 +0200
            Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Yilong Ren <yilongx.ren@intel.com> - 2016-08-16 04:20 +0200
              Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Yilong Ren <yilongx.ren@intel.com> - 2016-08-16 04:40 +0200
              Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Fengguang Wu <fengguang.wu@intel.com> - 2016-08-16 04:40 +0200
        Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Fengguang Wu <fengguang.wu@intel.com> - 2016-08-16 03:50 +0200
        Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by 'tools/testing/nvdimm//dax.o'. Dan Williams <dan.j.williams@intel.com> - 2016-08-24 01:50 +0200
          Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Fengguang Wu <fengguang.wu@intel.com> - 2016-08-24 04:50 +0200
            Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by 'tools/testing/nvdimm//dax.o'. Dan Williams <dan.j.williams@intel.com> - 2016-08-24 17:10 +0200
              Re: [kbuild-all] make[2]: *** No rule to make target  'tools/testing/nvdimm//config_check.o', needed by  'tools/testing/nvdimm//dax.o'. Fengguang Wu <fengguang.wu@intel.com> - 2016-08-25 06:50 +0200

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