[Pkg-rust-maintainers] Draft Rust packaging policy for review

[Luca BRUNO]

On Saturday, 10 December 2016 12:06:22 UTC Josh Triplett wrote:

I think the draft is basically ready to go.
I suggest you to post this to internals.rust-lang.org and reddit /r/rust to 
hopefully gather some non-debian-biased reviews and a bit more exposure.

> The only documentation I know of appears in
> https://github.com/rust-lang/cargo/pull/2857 , which doesn't seem like
> an appropriate place for the policy to link to.  Anyone want to submit a
> patch to Cargo's documentation upstream incorporating a version of that?

Starting from that PR, I've found and now linked-in 
http://doc.crates.io/source-replacement.html#directory-sources

> For the "can't ever work, by design" case: we still should leave the
> library package "Architecture: all", because an application crate or
> higher-level library crate might have an architecture-specific
> dependency on it and only use it on that architecture.  If an
> application crate has an unconditional dependency on that
> architecture-specific library crate, then either we fix the application
> to make the dependency conditional, or the application itself only runs
> on that architecture and we should mark the *application* as
> "Architecture: thatarch".
> 
> I added some text documenting how to handle that second case.  The first
> case represents Debian's standard approach to porting and portability
> for all types of packages, not specific to Rust.

Yes, I was mostly thinking about this second case. I think it is ok as worded 
now, should work for most cases.
 
> > (@lucab: other flags that need to be specified? RUSTFLAGS inheriting
> > LDFLAGS?)
> 
> No, not that I can think of.  Did you have anything specific in mind
> here?
>
>  If we have some systematic way we want to tweak RUSTFLAGS, we'd probably do
> that via dh-cargo.

Some kind of bridging between dpkg-buildflags and RUSTFLAGS.
For example, cargo's debian/rules currently translates LDFLAGS into
"-C link-arg" via RUSTFLAGS. It is perfectly fine for dh-cargo to do this. 

Ciao, Luca

-- 
«Доверяй, но проверяй»
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