Hi Stefan,

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> This is mainly used for external tooling.  Having a list of
>> bundled/builtin packages and versions can help distribution package
>> manager, e.g. APT in Debian, to manage dependencies easier (as mentioned
>> in my first email).  We need to generate the package information and
>> store it in the Debian package info for those tools to use as they
>> cannot query Emacs in runtime.
>
> Ah, I see, so you really want to export the whole of
> `package--builtin-versions` rather than just the list of builtin
> packages.  This way you can later test for specific packages and/or
> versions without running Emacs (modulo compatibility between Emacs's
> notion of ordering between versions and that of what your external tool
> uses).
>

Exactly.  Thanks for confirming!

Updated patch attached.

>
>         Stefan
>

-- 
Regards,
Xiyue Deng