Re: [RFC PATCH v3 2/5] rust: add bindgen step as a meson dependency

[Manos Pitsidianakis <manos.pitsidianakis@linaro.org>]

On Thu, 20 Jun 2024 15:34, Paolo Bonzini <pbonzini@redhat.com> wrote:
>On Thu, Jun 20, 2024 at 1:10 PM Alex Bennée <alex.bennee@linaro.org> wrote:
>> > +# FIXME: These are the latest stable versions, refine to actual minimum ones.
>> > +msrv = {
>> > +  'rustc': '1.79.0',
>> > +  'cargo': '1.79.0',
>> > +  'bindgen': '0.69.4',
>> > +}
>>
>> So for Debian Bookworm this comes out as:
>>
>>   msrv = {
>>     'rustc': '1.79.0',
>>     'cargo': '1.79.0',
>>     'bindgen': '0.69.4',
>>   }
>
>I think it's 0.60.1 bindgen and 1.63.0 rustc/cargo? That means we
>don't have generic associated types (1.65), which are nice to have but
>not absolutely necessary.
>
>The only other one with an old version is Ubuntu 22.04 (1.58.1), but
>it has 1.75.0 in updates
>
>Paolo

1.63 is definitely old at this point but we might still be in luck, 
(Except for bindgen). I will try running cargo-msrv[0] which finds the 
actual minimum supported version of a codebase with a binary search and 
see if we can give up features if necessary.

[0]: https://github.com/foresterre/cargo-msrv