Re: [PATCH v1] clang_tools:gen_compile_commands: Change the default source directory

[Masahiro Yamada]

On Thu, Feb 11, 2021 at 10:48 PM Stephen Zhang
<stephenzhangzsd@xxxxxxxxx> wrote:
>
> Nathan Chancellor <nathan@xxxxxxxxxx> 于2021年2月11日周四 上午2:24写道：
> >
> > On Wed, Feb 10, 2021 at 08:15:27PM +0800, Stephen Zhang wrote:
> > > Nathan Chancellor <nathan@xxxxxxxxxx> 于2021年2月10日周三 上午3:27写道：
> > >
> > > > Just as an FYI, your email was HTML, which means it won't hit LKML.
> > >
> > >
> > > Thanks for pointing that out. The existence of a GFW makes it difficult for
> > > me to connect
> > > to the mail server.  so I use git client to send patches only and reply to
> > > emails with
> > > gmail  web client.
> >
> > You can configure your Gmail web client to send text responses by
> > default by clicking on the three dot menu in the compose window then
> > chose the "plain text mode" option.
> >
>
> Thanks, this has always been a problem for me.
>
> > The build directory needs to be involved because that is where the .cmd
> > files will be but the source directory needs to be known because the
> > source files in the .cmd files are relative to the source directory, not
> > the build directory. This happens to work in most situations like I
> > point out above but not always.
> >
> > I think that my patch is most likely the way to go unless others feel
> > differently. It would be nice if you could give it a go.
> >
> > Cheers,
> > Nathan
>
> Do you mean  my patch's failure  in some cases  is because the build
> directoty isn't involved after using "-d" to specify the source directory?
>
> Actually, the build directory has already been involved by the "path"
> argument. See:
>
> def main():
>     for path in paths:
>          ....
>         if os.path.isdir(path):
>             cmdfiles = cmdfiles_in_dir(path)
>         .....
>
> where the value of paths  is passed by  the "path" argument. Do I miss
> something?
>
> Cheers,
> Stephen
>
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Please stop.


Commit 6ca4c6d25949117dc5b4845612e290b6d89e70a8
removed the tools/ support.


There exist two build systems in the Linux source tree.
Kbuild covers the entire tree except tools/.
The tools/ directory adopts a different build system.

It is a pity that the tools/ directory
went in a wrong direction, and people
try to fix problems in a wrong layer.


You are not the first person to send to
tweak obj/source trees of this script.

You can not do this correctly
without terribly messing up the code.

Please do not try to support tools/.



-- 
Best Regards
Masahiro Yamada