Re: [PATCH v4 1/3] kbuild: allow symbol whitelisting with TRIM_UNUSED_KSYMS

[Nicolas Pitre]

On Mon, 17 Feb 2020, Quentin Perret wrote:

> On Monday 17 Feb 2020 at 15:22:01 (+0000), Matthias Maennich wrote:
> > In case the whitelist file can't be found, the error message is
> > 
> >  cat: path/to/file: file not found
> > 
> > I wonder whether we can make this error message a bit more specific by
> > telling the user that the KSYMS_WHITELIST is missing.
> 
> +1, that'd be really useful. I'll check the file existence in v5 (in a
> POSIX-compliant way, I promise).

In fact, if you explicitly provide a file that is not there, then this 
is arguably a good reason to even fail the build.


Nicolas