On Fri, Aug 21, 2020 at 6:56 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> On Sat, Aug 22, 2020 at 9:29 AM 'Nick Desaulniers' via Clang Built
> Linux <clang-built-linux@xxxxxxxxxxxxxxxx> wrote:
> >
> > On Fri, Aug 21, 2020 at 12:02 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> > >
> > > I think the help message of the -d option is somewhat misleading.
> > >
> > > Path to the kernel source directory to search (defaults to the working directory)
> > >
> > > The part "kernel source directory" is the source of the confusion.
> > > Some people misunderstand as if this script did not support separate
> > > output directories.
> > >
> > > Actually, this script also works for out-of-tree builds. You can
> > > use the -d option to point to the object output directory, not to
> > > the source directory. It should match to the O= option used in the
> > > previous kernel build, and then appears in the "directory" field of
> > > compile_commands.json.
> > >
> > > Reword the help message.
> > >
> > > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > > ---
> > >
> > > Changes in v2:
> > > - New patch
> > >
> > > scripts/gen_compile_commands.py | 4 ++--
> > > 1 file changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/scripts/gen_compile_commands.py b/scripts/gen_compile_commands.py
> > > index 1b9899892d99..5f6318da01a2 100755
> > > --- a/scripts/gen_compile_commands.py
> > > +++ b/scripts/gen_compile_commands.py
> > > @@ -31,13 +31,13 @@ def parse_arguments():
> > >
> > > Returns:
> > > log_level: A logging level to filter log output.
> > > - directory: The directory to search for .cmd files.
> > > + directory: The work directory where the objects were built
> >
> > Punctuation (add a period `.`).
>
> Will fix.
>
>
> > > output: Where to write the compile-commands JSON file.
> > > """
> > > usage = 'Creates a compile_commands.json database from kernel .cmd files'
> > > parser = argparse.ArgumentParser(description=usage)
> > >
> > > - directory_help = ('Path to the kernel source directory to search '
> > > + directory_help = ('specify the output directory used for the kernel build '
> >
> > Capitalization (specify -> Specify)
>
>
>
>
> The help message of -h starts with a lower case.
> The others start with a capital letter.
>
> It would be better if "show this help message and exit"
> started with a capital letter. But, it comes from the
> library, so I do not know how to change it.
>
> I changed our code to make it consistent, but
> starting them with a capital letter is a preferred style,
> I can do as you suggest.
Consistency throughout the patch is my priority, not necessarily
whether we're using Capitalization or not.
>
>
> Currently, the help looks like follows:
>
> ---------------->8-----------------------
> masahiro@oscar:~/ref/linux$ ./scripts/gen_compile_commands.py -h
> usage: gen_compile_commands.py [-h] [-d DIRECTORY] [-o OUTPUT]
> [--log_level LOG_LEVEL]
>
> Creates a compile_commands.json database from kernel .cmd files
>
> optional arguments:
> -h, --help show this help message and exit
> -d DIRECTORY, --directory DIRECTORY
> Path to the kernel source directory to search
> (defaults to the working directory)
> -o OUTPUT, --output OUTPUT
> The location to write compile_commands.json
> (defaults to compile_commands.json in the search
> directory)
> --log_level LOG_LEVEL
> The level of log messages to produce (one of
> DEBUG, INFO, WARNING, ERROR, CRITICAL; defaults to
> WARNING)
> ---------------->8-----------------------
>
>
>
> Thanks.
>
>
> --
> Best Regards
> Masahiro Yamada
--
Thanks,
~Nick Desaulniers
