Re: [PATCH bpf-next 1/4] tools/resolve_btfids: Build libbpf and libsubcmd in separate directories

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On Wed, Mar 10, 2021 at 9:35 AM Viktor Jägersküpper
<viktor_jaegerskuepper@xxxxxxxxxx> wrote:
>
> Hi,
>
> > Setting up separate build directories for libbpf and libpsubcmd,
> > so it's separated from other objects and we don't get them mixed
> > in the future.
> >
> > It also simplifies cleaning, which is now simple rm -rf.
> >
> > Also there's no need for FEATURE-DUMP.libbpf and bpf_helper_defs.h
> > files in .gitignore anymore.
> >
> > Acked-by: Song Liu <songliubraving@xxxxxx>
> > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> > ---
>
> when I invoke 'git status' on the master branch of my local git repository
> (cloned from stable/linux.git), which I have used to compile several kernels,
> it lists two untracked files:
>
>         tools/bpf/resolve_btfids/FEATURE-DUMP.libbpf
>         tools/bpf/resolve_btfids/bpf_helper_defs.h
>
> 'git status' doesn't complain about these files with v5.11, and I can't get rid
> of them by 'make clean' with v5.11 or v5.12-rc1/rc2. So I used 'git bisect' and
> found that this is caused by commit fc6b48f692f89cc48bfb7fd1aa65454dfe9b2d77,
> which links to this thread.
>
> Looking at the diff it's obvious because of the change in the .gitignore file,
> but I don't know why these files are there and I have never touched anything in
> the 'tools' directory.
>
> Can I savely delete the files? Do I even have to delete them before I compile
> v5.12-rcX?

yes, those were auto-generated files. You can safely remove them.

>
> Thanks,
> Viktor
>

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