Re: Bug 116131: tools/perf and O= fails to build

From	Andy Shevchenko <andy.shevchenko@gmail.com>
Newsgroups	linux.kernel
Subject	Re: Bug 116131: tools/perf and O= fails to build
Date	2016-04-11 10:50 +0200
Message-ID	<rmFHJ-2Ui-29@gated-at.bofh.it> (permalink)
References	<rmvp0-3a8-3@gated-at.bofh.it> <rmELD-2aR-1@gated-at.bofh.it> <rmFy3-2Qu-27@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Mon, Apr 11, 2016 at 11:35 AM, TJ <linux@iam.tj> wrote:
>
> On 11-04-2016 08:40, Andy Shevchenko wrote:
>>
>> On Mon, Apr 11, 2016 at 12:36 AM, TJ <linux@iam.tj> wrote:
>>>
>>> Trying to do an out-of-tree build using either absolute or relative paths
>>> for O= fails when trying to build tools/perf.
>>
>>
>> Create directory manually.
>> acme@ pointed me out to some commit where it's done on purpose.
>
>
> It's trying to use *the wrong* directory path entirely.
>
> It looks to be caused by the sub-make calls that pass O=$(OUTPUT) because
> OUTPUT has been set to $(O)+subdir.
>
> Then, in the sub-make tools/scripts/Makefile.include is called *again* and
> does the same $(O)+subdir resulting in basedir+subdir+subdir.

Didn't remember if my case was the same, but as workaround I can
propose you to build in a dedicated worktree.

% git worktree add ../perf-test my_current_branch
% cd ../perf-test
% make (no O= provided) bla-bla-bla

-- 
With Best Regards,
Andy Shevchenko

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Bug 116131: tools/perf and O= fails to build TJ <linux@iam.tj> - 2016-04-10 23:50 +0200
  Re: Bug 116131: tools/perf and O= fails to build Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-04-11 09:50 +0200
    Re: Bug 116131: tools/perf and O= fails to build TJ <linux@iam.tj> - 2016-04-11 10:40 +0200
      Re: Bug 116131: tools/perf and O= fails to build Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-04-11 10:50 +0200

csiph-web