On Fri, Jan 13, 2023 at 08:25:28AM -0700, alan somers wrote:
> IMHO this is a design bug in Debian. Sure, they need to create
> packages for any Rust crate that needs to install executable or .so
> files. But crates like nbdkit don't install anything. They're only
> used to build other Rust crates, and only used at compile time. They
> can simply be fetched during the package building process. I really
> don't know what Debian is doing by packaging this crate. Is it
> actually trying to install the ramdisk example?
I'm not sure I understand - which crate?
Rich.
> On Fri, Jan 13, 2023 at 7:27 AM Richard W.M. Jones <rjo...@redhat.com> wrote:
> >
> > On Fri, Jan 13, 2023 at 07:17:14AM -0700, alan somers wrote:
> > > I think we should downgrade predicates-tree to 1.0.5 or older. I can
> > > submit a PR for that. What does "rustc --version" show you?
> >
> > Unfortunately our configure script doesn't collect that information
> > (it should do! - I'll fix that in a moment).
> >
> > But based on it being Debian 11 ("bullseye") it's likely to be:
> >
> > https://packages.debian.org/bullseye/rustc
> > Package: rustc (1.48.0+dfsg1-2)
> >
> > Which is pretty ancient ...
> >
> > Rich.
> >
> > > On Fri, Jan 13, 2023 at 2:41 AM Richard W.M. Jones <rjo...@redhat.com>
> > > wrote:
> > > >
> > > >
> > > > https://gitlab.com/nbdkit/nbdkit/-/jobs/3598390121
> > > >
> > > > ----------------------------------------------------------------------
> > > > cargo build --release --example ramdisk
> > > > Downloading crates ...
> > > > Downloaded float-cmp v0.9.0
> > > > Downloaded downcast v0.11.0
> > > > Downloaded mockall_derive v0.11.3
> > > > Downloaded itertools v0.10.5
> > > > Downloaded aho-corasick v0.7.20
> > > > Downloaded predicates-tree v1.0.7
> > > > error: failed to parse manifest at
> > > > `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/predicates-tree-1.0.7/Cargo.toml`
> > > > Caused by:
> > > > failed to parse the `edition` key
> > > > Caused by:
> > > > this version of Cargo is older than the `2021` edition, and only
> > > > supports `2015` and `2018` editions.
> > > > ----------------------------------------------------------------------
> > > >
> > > > nbdkit itself uses edition = 2018, but this seems to affects one of
> > > > the dependencies.
> > > >
> > > > I'm not sure how to solve this, but one ideas I had is in ./configure
> > > > to check if the cargo/rust we're trying to use doesn't support some
> > > > base edition (eg. latest edition supported < 2021) then we would
> > > > disable rust bindings.
> > > >
> > > > Unfortunately actually getting the latest supported edition seems
> > > > hard. The best I could find is parsing this which doesn't seem ideal:
> > > >
> > > > $ rustc --help |& grep -- --edition
> > > > --edition 2015|2018|2021|2024
> > > >
> > > > What do you think?
> > > >
> > > > Rich.
> > > >
> > > > --
> > > > Richard Jones, Virtualization Group, Red Hat
> > > > http://people.redhat.com/~rjones
> > > > Read my programming and virtualization blog: http://rwmj.wordpress.com
> > > > libguestfs lets you edit virtual machines. Supports shell scripting,
> > > > bindings from many languages. http://libguestfs.org
> > > >
> >
> > --
> > Richard Jones, Virtualization Group, Red Hat
> > http://people.redhat.com/~rjones
> > Read my programming and virtualization blog: http://rwmj.wordpress.com
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> > http://fedoraproject.org/wiki/MinGW
> >
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
Fedora Windows cross-compiler. Compile Windows programs, test, and
build Windows installers. Over 100 libraries supported.
http://fedoraproject.org/wiki/MinGW
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