Re: [RFC PATCH v4 2/7] rust: add bindgen step as a meson dependency

[Paolo Bonzini]

On Wed, Jul 10, 2024 at 4:48 PM Zhao Liu <zhao1.liu@intel.com> wrote:
>
> On Tue, Jul 09, 2024 at 02:28:38PM +0200, Paolo Bonzini wrote:
> >
> > Here are the stopping points that I found over the last couple weeks:
> >
> > 1.56.0: 2021 edition
> > 1.59.0: const CStr::from_bytes_with_nul_unchecked (needed by cstr
> > crate, see below)
> > 1.64.0: std::ffi::c_char
> > 1.65.0: Generic Associated Types
> > 1.74.0: Clippy can be configured in Cargo.toml
> > 1.77.0: C string literals, offset_of!
> >
> > I think 1.59.0 is pretty much the lower bound. Not having offset_of!
> > will be a bit painful, but it can be worked around (and pretty much
> > has to be, because 1.77.0 is really new).
> >
>
> An additional question: does our minimum rust version requirement
> indicate that users with this rust version can compile other
> dependencies that satisfy QEMU requirements, such as bindgen?

Yes (though in the case of bindgen, like cargo and rustc, we'll use it
from the distro; Debian bookworm has 0.60.1 so that's what we'll have
to stick with).

Paolo